Publication List

1. Baxter, C. S.; Garratt, P. J.; Vollhardt, K. P. C., The 3,4:5,6:9,10-Tribenzobicyclo[6.2.0]decapentaenyl Dianion, J. Am. Chem. Soc. 1969, 91, 7783.

2. Garratt, P. J.; Vollhardt, K. P. C., Benzo[3,4]cyclobuta[1,2-c]thiophen (2-Thianorbiphenylene), Chem. Commun. 1970, 109.

3. Garratt, P. J.; Vollhardt, K. P. C.; Mitchell, R. H., Wittig Reactions of 1,2-Dihydro-1,2-bis(triphenylphosphoranylidene)benzocyclobutene and Benzocyclobutene-1,2-quinone. The Synthesis of Dibenzo[a,c]benzo[3,4]cyclobuta[1,2-f]cyclooctene, J. Chem. Soc. (C) 1970, 2137.

4. Garratt, P. J.; Holmes, A. B.; Sondheimer, F.; Vollhardt, K. P. C., The Synthesis of Benzo[3,4]cyclobuta[1,2-e]dicyclohexeno[b,h]thionin, an Analog of Biphenylene Containing a Thionin Ring, J. Am. Chem. Soc. 1970, 92, 4492.

5. Garratt, P. J.; Vollhardt, K. P. C., 6,11-Methanocyclobutabenzo[1,2-a]-[10]annulene, a Biphenylene-Analog Containing a Carbocyclic 10 π-Electron Ring, Angew. Chem. 1971, 83, 111; Angew. Chem., Int. Ed. Engl. 1971, 10, 125.

6. Garratt, P. J.; Vollhardt, K. P. C., Homophthalaldehyde, Synthesis 1971, 3, 423.

7. Garratt, P. J.; Holmes, A. B.; Sondheimer, F.; Vollhardt, K. P. C., The Synthesis of Mono-trans-dicyclohexeno[b,i]-1,6-dithiacyclodeca-2,4,7,9-tetraene, a Tetra-alkylated 1,6-Dithia[10]annulene, Chem. Commun. 1971, 947.

8. Garratt, P. J.; Vollhardt, K. P. C., Synthesis of Benzo[3,4]cyclobuta[1,2-a]benzo[d]tropylium Cation, a Homobiphenylene Cation, Chem. Commun. 1971, 1143.

9. Garratt, P. J.; Vollhardt, K. P. C., The Synthesis of 6,7-Diphenyl-3-thiabicyclo[3.2.0]heptatriene, a Thienocyclobutadiene, J. Am. Chem. Soc. 1972, 94, 1022.

10. Garratt, P. J.; Vollhardt, K. P. C., Wittig Reactions of 1,2-Benzocyclobutadienequinone. Synthesis of 2-Thianorbiphenylene (Benzo-[3,4]cyclobuta[1,2-c]thiophene), J. Am. Chem. Soc. 1972, 94, 7087.

11. Vollhardt, K. P. C.; Bergman, R. G., 3,6-Dehydrooxepin, a Furocyclobutadiene, J. Am. Chem. Soc. 1972, 94, 8950.

12. Jones, A. J.; Garratt, P. J.; Vollhardt, K. P. C., 13C Shifts in Biphenylene and Analogous Compounds, Angew. Chem. 1973, 85, 260; Angew. Chem., Int. Ed. Engl. 1973, 12, 241.

13. Garratt, P. J.; Vollhardt, K. P. C., Aromatizität; Georg Thieme Verlag: Stuttgart, 1973.

14. Bergman, R. G.; Vollhardt, K. P. C., 3-Oxabicyclo[3,2,0]hepta-1,4-diene, Chem. Commun. 1973, 214.

15. Garratt, P. J.; Holmes, A. B.; Sondheimer, F.; Vollhardt, K. P. C., Wittig Reactions of 1,2-Dihydro-1,2-bis(triphenylphosphoranylidene)benzocyclobutene. Synthesis of All-cis- and Mono-

trans-1,2,3,4,6,7,8,9-octahydrodibenzo[b,h]benzo[3,4]cyclobuta-[1,2-e]thionin, Analogues of Biphenylene Containing a Thionin Ring, J. Chem. Soc., Perkin Trans. I 1973, 2253.

16. Vollhardt, K. P. C.; Bergman, R. G., Competition between Sulfur Extrusion and Thermal Synthesis of Thienocyclobutadiene in the Pyrolysis of cis- and trans-1,2-Diethynylthiiranes. Dimerization of the Rearrangement Product to Bisthienocyclooctatetraene, J. Am. Chem. Soc. 1973, 95, 7538.

17. Vollhardt, K. P. C.; Bergman, R. G., A One-Step Synthesis of Benzocyclobutenes Involving Cooligomerization of Linear Mono- and Diacetylenes Catalyzed by η5-Cyclopentadienylcobalt Dicarbonyl, J. Am. Chem. Soc. 1974, 96, 4996.

18. Vollhardt, K. P. C.; Bercaw, J. E.; Bergman, R. G., Isolation of Unstable Bis(η5-cyclopentadienylcobalt) Tricarbonyl from the Irradiation of η5-Cyclopentadienylcobalt Dicarbonyl. Thermal Reactions of this Binuclear Complex Leading to Starting Material and Trinuclear and Tetranuclear Cobalt (I) Complexes, J. Am. Chem. Soc. 1974, 96, 4998.

19. Vollhardt, K. P. C., Bis-Wittig Reactions in the Synthesis of Nonbenzenoid Aromatic Ring Systems, Synthesis 1975, 7, 765.

20. Vollhardt, K. P. C., Cyclobutadienoids, Top. Curr. Chem. 1975, 59, 113.

21. Aalbersberg, W. G. L.; Barkovich, A. J.; Funk, R. L.; Hillard III, R. L.; Vollhardt, K. P. C., Transition Metal Catalyzed Acetylene Cyclizations. 4,5-Bis(trimethylsilyl)benzocyclobutene, a Highly Strained, Versatile Synthetic Intermediate, J. Am. Chem. Soc. 1975, 97, 5600.

22. Vollhardt, K. P. C.; Bercaw, J. E.; Bergman, R. G., Photochemistry of η5-Cyclopentadienylcobalt Dicarbonyl and Thermal Decomposition of Derived Cobalt Cluster Complexes. Isolation of Bis(η5-cyclopentadienylcobalt) Tricarbonyl, Tris(η5-cyclopentadienylcobalt Monocarbonyl) and Tetra(η5-Cyclopentadienylcobalt) Dicarbonyl, J. Organomet. Chem. 1975, 97, 283.

23. Hillard III, R. L.; Vollhardt, K. P. C., Transition Metal Catalyzed Acetylene Cyclizations. A General Synthesis of Indans and Tetralins, Angew. Chem. 1975, 87, 744; Angew. Chem., Int. Ed. Engl. 1975, 14, 712.

24. Brogli, F.; Heilbronner, E.; Wirz, J.; Kloster-Jensen, E.; Bergman, R. G.; Vollhardt, K. P. C.; Ashe, A. J., The Consequences of σ and π Conjugative Interactions in Mono-, Di- and Triacetylenes. A Photoelectron Spectroscopic Investigation, Helv. Chim. Acta 1975, 58, 2620.

25. Saward, C. J.; Vollhardt, K. P. C., 1,2-Cyclopropa-4,5-cyclobutabenzene, a Novel Strained Benzene Derivative, Tetrahedron Lett. 1975, 4539.

26. Funk, R. L.; Vollhardt, K. P. C., 10,11-Dihydrocyclobuta[b]triphenylene and 1,2,5,6,9,10-Hexahydrotriscyclobuta[b,h,n]triphenylene, Angew. Chem. 1976, 88, 63; Angew. Chem., Int. Ed. Engl. 1976, 15, 53.

27. Barkovich, A. J.; Vollhardt, K. P. C., 1,5,9-Cyclododecatriyne. Synthesis and Conversion to Intermediate 1,2:3,4:5,6-Tricyclobutabenzene, J. Am. Chem. Soc. 1976, 98, 2667.

28. Hillard III, R. L.; Vollhardt, K. P. C., Cyclobuta[1,2-d]benzyne. Generation, Trapping, and Dimerization to 2,3:6,7-Dicyclobutabiphenylene, J. Am. Chem. Soc. 1976, 98, 3579.

29. Funk, R. L.; Vollhardt, K. P. C., Hexa-1,5-diyn-3-ol Ethers as Tetramethynyl Synthons in Cobalt-catalysed Acetylene Co-oligomerisations; A One Step Synthesis of 2,3,6,7-Tetrakistrimethylsilylnaphthalene, J. Chem. Soc., Chem. Commun. 1976, 833.

30. Funk, R. L.; Vollhardt, K. P. C., In Situ Generation and Intramolecular Trapping of o-Xylylenes by Cobalt-Catalyzed Acetylene Cooligomerizations. A One-Step Synthesis of Polycycles, J. Am. Chem. Soc. 1976, 98, 6755.

31. Vollhardt, K. P. C., Transition-Metal-Catalyzed Acetylene Cyclizations in Organic Synthesis, Acc. Chem. Res. 1977, 10, 1.

32. Vollhardt, K. P. C.; Lee, L. S., 1,2-Bis(trimethylsilyl)benzocyclobutadiene, a Paratropic 8 π-Electron System, J. Am. Chem. Soc. 1977, 99, 2010.

33. Aalbersberg, W. G. L.; Vollhardt, K. P. C., Retention of Stereochemistry in the Extrusion of Sulfur Monoxide from Thiirane Oxides. Synthesis and Thermal Decomposition of cis-and trans-Dideuteriothiirane Oxide, J. Am. Chem. Soc. 1977, 99, 2792.

34. Hillard III, R. L.; Vollhardt, K. P. C., Substituted Benzocyclobutenes, Indans, and Tetralins via Cobalt-Catalyzed Cooligomerization of α,ω-Diynes with Substituted Acetylenes. Formation and Synthetic Utility of Trimethylsilylated Benzocycloalkenes, J. Am. Chem. Soc. 1977, 99, 4058.

35. Hillard III, R. L.; Vollhardt, K. P. C., 3,4-Bis(trimethylsilyl)benzocyclobutene - Synthesis by Acetylene Cotrimerization and Conversion into 1,2-Dihydrocyclobuta[c]benzyne, Angew. Chem. 1977, 89, 413; Angew. Chem., Int. Ed. Engl. 1977, 16, 399.

36. Naiman, A.; Vollhardt, K. P. C., A Cobalt-Catalyzed One-Step Synthesis of Annulated Pyridines, Angew. Chem. 1977, 89, 758; Angew. Chem., Int. Ed. Engl. 1977, 16, 708.

37. Funk, R. L.; Vollhardt, K. P. C., A Cobalt-Catalyzed Steroid Synthesis, J. Am. Chem. Soc. 1977, 99, 5483.

38. Vollhardt, K. P. C., Cobaltkatalysierte Acetylen-Cyclisierungen, Nachr. Chem. Tech. 1977, 25, 584.

39. Barkovich, A. J.; Strauss, E. S.; Vollhardt, K. P. C., Hexaradialene, J. Am. Chem. Soc. 1977, 99, 8321.

40. Fritch, J. R.; Vollhardt, K. P. C., Bicyclobutadienylene (tricyclo-[4.2.0.02,5]octa-1,2,5,7-tetraene)-η5-cyclopentadienylcobalt. A Possible Intermediate in the Remarkable Gas Phase Rearrangement of 1,2-Diethynyl-η4-cyclobutadiene-η5-cyclopentadienylcobalt, J. Am. Chem. Soc. 1978, 100, 3643.

41. Vollhardt, K. P. C., Transition Metal Catalyzed Acetylene Cooligomerizations for the Synthesis of Complex Molecules, The Strem Chemiker 1978, 6(2), 1.

42. Perkins, P.; Vollhardt, K. P. C., 1,2,8,9-Tetrahydrodicyclobuta[b,g]phenanthrene and 1,2,7,8-Tetrahydrodicyclobuta[b,h]phenanthrene, Potentially Carcinogenic Activated Hydrocarbons, Angew. Chem. 1978, 90, 643; Angew. Chem., Int. Ed. Engl. 1978, 17, 615.

43. Fritch, J. R.; Vollhardt, K. P. C., Cyclobutadiene-Metal Complexes as Potential Intermediates in Alkyne Metathesis: Flash Vacuum Pyrolysis of Substituted η4-Cyclobutadiene-η5-

cyclopentadienylcobalt Complexes, Angew. Chem. 1979, 91, 439; Angew. Chem., Int. Ed. Engl. 1979, 18, 409.

44. Funk, R. L.; Vollhardt, K. P. C., The Cobalt Way to dl-Estrone, a Highly Regiospecific Functionalization of 2,3-Bis(trimethylsilyl)estratriene-17-one, J. Am. Chem. Soc. 1979, 101, 215.

45. Duclos, R. I.; Vollhardt, K. P. C.; Yee, L. S., η4-Benzocyclobutadiene-η5-cyclopentadienylcobalt, A New "Aromatic" Sandwich Complex, J. Organomet. Chem. 1979, 174, 109.

46. Fritch, J. R.; Vollhardt, K. P. C.; Thompson, M. R.; Day, V. W., Apparent Concurrent Acetylene-Vinylidenecarbene Rearrangements, Silyl-Acetylide Metathesis, and Alkyne Cleavage in the Interaction of Bis(trimethylsilyl)acetylene with (η5-C5H5)Co(CO)2 Crystal and Molecular

Structure of a Novel Biscarbyne Complex: [3η1-CSi(CH3)3][3η1-C3Si(CH3)3][(η5-C5H5)Co]3, J. Am.

Chem. Soc. 1979, 101, 2768.

47. Müller, C.; Schweig, A.; Thiel, W.; Grahn, W.; Vollhardt, K. P. C.; Bergman, R. G., Photoelectron Spectra of 2,5-Dehydrotropylidene, 3,6-Dehydrooxepin, and Fulvenallene, J. Am. Chem. Soc. 1979, 101, 5579.

48. Aalbersberg, W. G. L.; Vollhardt, K. P. C., Intramolecular Cycloadditions of Bis-o-Xylylenes. An Extremely Short Route to [2.2.2]Cyclophanes, Tetrahedron Lett. 1979, 1939.

49. Vollhardt, K. P. C., Anwendungen von Übergangsmetallen in der Organischen Synthese: Faszinierende Neuartige Synthesewege in der Konstruktion Komplexer Moleküle, Chem. Ztg. 1979, 103, 309.

50. Vollhardt, K. P. C., Transition Metal Mediated Transformations in the Synthesis of Complex Molecules, MMRD-Newsletter 1979, 3(1), 1.

51. Houk, K. N.; Strozier, R. W.; Santiago, C.; Gandour, R. W.; Vollhardt, K. P. C., Electronic Structure and Photoelectron Spectrum of 1,5,9-Cyclododecatriyne, J. Am. Chem. Soc. 1979, 101, 5183.

52. Naiman, A.; Vollhardt, K. P. C., 1,2,4,5-Tetrahydrodicyclobuta[b,e]pyridine, Angew. Chem. 1979, 91, 440; Angew. Chem., Int. Ed. Engl. 1979, 18, 411.

53. Perkins, P.; Vollhardt, K. P. C., Polymer-Supported η5-Cyclopentadienylcobalt. An Immobilized "Homogeneous" Fischer-Tropsch Catalyst, J. Am. Chem. Soc. 1979, 101, 3985.

54. Vollhardt, K. P. C., The Cobalt Way to Estrone, Lecture published in the Proceedings of the 26th National Organic Symposium, Tucson, Arizona, 1979, 105.

55. Vollhardt, K. P. C., The Cobalt Way to Estrone, Ann. N.Y. Acad. Sci. 1980, 333, 241.

56. Barkovich, A. J.; Strauss, E. S.; Vollhardt, K. P. C., Unusual Rearrangements in the C12H12-Manifold: 1,5,9-Cyclododecatriyne, 1,2:3,4:5,6-Tricyclobutabenzene, Hexaradialene, Isr. J. Chem. 1980, 20, 225.

57. Funk, R. L.; Vollhardt, K. P. C., Thermal, Photochemical, and Transition-Metal Mediated Routes to Steroids by Intramolecular Diels-Alder Reactions of o-Xylylenes (o-Quinodimethanes), Chem. Soc. Rev. 1980, 9, 41.

58. Vollhardt, K. P. C., Physical, Chemical, and Some Biological Properties of Strained Ring Hydrocarbons, Pure Appl. Chem. 1980, 52, 1645.

59. Funk, R. L.; Vollhardt, K. P. C., 2-Methyl-2-cyclopenten-1-one from 2-Methylcyclopentane-1,3-dione, Synthesis, 1980, 12, 118.

60. Hillard III, R. L.; Vollhardt, K. P. C., Potential Routes to Cyclobuta[1,2-c] Cyclopropabenzene, Tetrahedron, 1980, 36, 2435.

61. Fritch, J. R.; Vollhardt, K. P. C., Biscarbyne Clusters by Alkyne Cleavage: A General Reaction, Angew. Chem. 1980, 92, 570; Angew. Chem., Int. Ed. Engl. 1980, 19, 559.

62. Funk, R. L.; Vollhardt, K. P. C., Cooligomerizations of 3-Substituted 1,5-Hexadiynes With Bis(trimethylsily)acetylene Catalyzed by Cobalt. A General Synthesis of Tricyclic Ring Systems From Acyclic Precursors, J. Am. Chem. Soc. 1980, 102, 5245.

63. Funk, R. L.; Vollhardt, K. P. C., Transition-Metal-Catalyzed Alkyne Cyclizations, A Cobalt-Mediated Total Synthesis of dl-Estrone, J. Am. Chem. Soc. 1980, 102, 5253.

64. Gesing, E. R. F.; Sinclair, J. A.; Vollhardt, K. P. C., 1,3-Bis(trimethylsilyl)propyne and Alkyltrimethylsilylalkynes as Efficient Co-oligomerisation Partners in Cobalt-catalysed Alkyne Cyclisations, J. Chem. Soc., Chem. Commun. 1980, 286.

65. Sternberg, E. D.; Vollhardt, K. P. C., Cobalt-Mediated Cyclizations of Linear Achiral Diynenes. A One-Step Construction of Complexed Chiral Polycycles, J. Am. Chem. Soc. 1980, 102, 4839.

66. Gesing, E. R. F.; Tane, J. P.; Vollhardt, K. P. C., Cobalt Mediated [2+2+2]-Cycloadditions: A Simple Route to Substituted Cyclopentadienones, Angew. Chem. 1980, 92, 1057; Angew. Chem., Int. Ed. Engl. 1980, 19, 1023

67. K. P. C. Vollhardt and R. L. Funk, Cobalt Catalyzed Steroid Synthesis, US 4183864 19800115, January 15, 1980.

68. K. P. C. Vollhardt and P. Perkins, Fischer-Tropsch Catalysts, US 39986 19800912, October 28, 1980.

69. Chang, C.; Francisco, C. G.; Gadek, T. R.; King Jr., J. A.; Sternberg, E. D.; Vollhardt, K. P. C., Transition Metal Mediated Carbon-Carbon Bond Formations. A General, Partially Chemo-, Regio-, and Stereospecific Synthesis of Annelated Cyclohexadienes From Acyclic Starting Materials, in Organic Synthesis Today and Tomorrow (IUPAC); Trost, B.M. and Hutchinson, C. R., Eds.; Pergamon Press: New York, 1981; p. 71.

70. Ville, G.; Vollhardt, K. P. C.; Winter, M. J., On the Reversibility of η4-Cyclobutadiene-Metal Formation from Complexed Alkynes: Unimolecular Isomerization of Labeled Racemic and Enantiomerically Enriched η5-Cyclopentadienyl-η4-cyclobutadiene-Cobalt Complexes, J. Am. Chem. Soc. 1981, 103, 5267.

71. Huggins, J. M.; King Jr., J. A.; Vollhardt, K. P. C., Winter, M. J., Separation of Diastereomers, Structural Isomers, and Homologs of η5-Cyclopentadienylcobalt and Dinuclear Molybdenum Complexes by Reverse Phase High Performance Liquid Chromatography Using Deoxygenated Solvents, J. Organomet. Chem. 1981, 208, 73.

72. Benner, L. S.; Perkins, P.; Vollhardt, K. P. C., Hydrocarbon Formation on Polymer-Supported η5-Cyclopentadienyl Cobalt, ACS Symp. Ser. 1981, 152, 165.

73. Chang, C.-A.; King Jr., J. A.; Vollhardt, K. P. C., Intermolecular Cobalt-mediated [2+2+2]Cyclo-additions: Regiospecific One-step Construction of Bicyclic Dienes from α,ω-Enynes and Alkynes, J. Chem. Soc., Chem. Commun. 1981, 53.

74. Aalbersberg, W. G. L.; Vollhardt, K. P. C., The Nature of Sulfur Monoxide From Thiirane Oxide: A Stereochemical Test, Isr. J. Chem. 1981, 21, 145.

75. Lai, Y-H.; Tam, W.; Vollhardt, K. P. C., Transition Metal Activation of π-Complexed Benzene: Double Nucleophilic Addition, J. Organomet. Chem. 1981, 216, 97.

76. Gesing, E. R. F.; Vollhardt, K. P. C., The Variety of Compounds From the Interaction of 1,5-Diynes with η5-Cyclopentadienyl Cobalt: 1,6-Bis(trimethylsilyl)-1,5-hexadiyne, a Complete Product Analysis, J. Organomet. Chem. 1981, 217, 105.

77. Gadek, T. R.; Vollhardt, K. P. C., Cobalt Mediated [2+2+2]-Cycloadditions: Stereospecific Intramolecular Reactions of Enediynes to Tricyclic Dienes Bearing Angular Methyl Groups, Angew. Chem. 1981, 93, 801; Angew. Chem., Int. Ed. Engl. 1981, 20, 802.

78. Benner, L. S.; Lai, Y-H.; Vollhardt, K. P. C., On the Purported Fischer-Tropsch Alkylation of Benzene: Reaction of Benzene With Aluminum Trichloride Revisited, J. Am. Chem. Soc. 1981, 103, 3609.

79. Colborn, R. E.; Vollhardt, K. P. C., Mechanism of the Reppe Cyclooctatetraene Synthesis From Ethyne: A Labeling Experiment, J. Am. Chem. Soc. 1981, 103, 6259.

80. Ville, G.; Vollhardt, K. P. C., Carbon-Carbon and Carbon-Hydrogen Coupling Constants in Neutral Coordinated Cyclobutadienes, J. Magn. Res. 1981, 45, 525.

81. Vollhardt, K. P. C., Cobalt Mediated Bond Forming and Bond Breaking Reactions: Synthetic and Mechanistic Perambulations, Chem. Aust. 1982, 49, 1.

82. Fritch, J. R.; Vollhardt, K. P. C., The Diethynylcyclobutadiene Rearrangement: A Degenerate Ligand Reorganization in the Coordination Sphere of (η5-Cyclopentadienyl)cobalt, Organometallics 1982, 1, 590.

83. Van Horn, D. E.; Vollhardt, K. P. C., Some Remarkable Reactions of the Biscarbyne Clusters [μ3-(η1-CR1)-μ3-(η1-CR2)-{(η5-C5H5)Co}3] With Electrophiles, J. Chem. Soc., Chem. Commun. 1982, 203.

84. Brien, D. J.; Naiman, A.; Vollhardt, K. P. C., Catalytic Co-cyclisation of α,ω-Cyanoalkynes with Alkynes: a Versatile Chemo- and Regio-selective Synthesis of 2,3-Substituted 5,6,7,8-Tetrahydroquinolines and Other Cycloalka[1,2-b]pyridines, J. Chem. Soc., Chem. Commun. 1982, 133.

85. Berris, B. C.; Vollhardt, K. P. C., An Approach to Tricyclo[8.4.0.04,7]Tetradecahepta-1,3,5,7,9,11,13-ene (Benzo[1,2-a]cyclobuta [1,2-e]cyclooctatetraene): Unusual Thermal Rearrangements in the C14H10-Manifold, Tetrahedron 1982, 38, 2911.

86. Earl, R. A.; Vollhardt, K. P. C., On the Synthetic Utility of Thermally Generated Imines: The Retro-ene Imino Diels-Alder Reaction, Heterocycles 1982, 19, 265.

87. Sternberg, E. D.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2] Cycloadditions En Route to Natural Products: A Novel Total Synthesis of Steroids via the One-Step Construction of the B,C,D-Framework from an A-Ring Precursor, J. Org. Chem. 1982, 47, 3447.

88. Dower, W. V.; Vollhardt, K. P. C., The Thermal Conversion of 1,5,9-Triynes to Aromatic Compounds: [2+2+2] Cycloadditions or Sigmatropic Rearrangements?, Angew. Chem. 1982, 94, 712; Angew. Chem., Int. Ed. Engl. 1982, 21, 685; Angew. Chem. Suppl. 1982, 1545.

89. Drage, J. S.; Earl, R. A.; Vollhardt, K. P. C., Deoxygenation of Allylic Carbinolamides and Related Alcohols by Acidic Sodium Cyanoborohydride: Scope and Limitations, J. Heterocyclic Chem. 1982, 19, 701.

90. Tane, J. P.; Vollhardt, K. P. C., Cyclopentadienone Complexes as Five Membered Ring Synthons: Ring- and Regiospecific Nucleophilic Additions to Cobaltocenium Salts and Elaboration to Substituted Cyclopentadienes and Cyclopentenones, Angew. Chem. 1982, 94, 642; Angew. Chem., Int. Ed. Engl. 1982, 21, 617; Angew. Chem. Suppl. 1982, 1360.

91. Berris, B. C.; Lai, Y-H.; Vollhardt, K. P. C., A Cobalt-catalyzed Biphenylene Synthesis, J. Chem. Soc., Chem. Commun. 1982, 953.

92. Drage, J. S.; Vollhardt, K. P. C., Thermal Extrusion of Sulfur Dioxide from (η5-C5H5)Co-η4-thiophene-1,1-dioxides: A New Organometallic Reaction, Organometallics 1982, 1, 1545.

93. Dower, W. V.; Vollhardt, K. P. C., Mechanism of the Isomerization of 1,5,9-Cyclododecatriyne to Hexaradialene: 1,2:3,4:5,6-Tricyclobutabenzene Is Not an Intermediate, J. Am. Chem. Soc. 1982, 104, 6878.

94. K. P. C. Vollhardt and A. Naiman, Cobalt-Catalyzed One-Step Synthesis of Annulated Pyridines, US 54926 19800411, May 4, 1982.

95. Hillard III, R. L.; Parnell, C. A.; Vollhardt, K. P. C., Auxiliary Silicon in Regioselective Cobalt Catalyzed Protoberberine Syntheses, Tetrahedron 1983, 39, 905.

96. Allison, N. T.; Fritch, J. R.; Vollhardt, K. P. C.; Walborsky, E. C., An Unprecedented Biscarbyne Cluster Rearrangement Involving Simultaneous Coupling and Decoupling of Carbyne Fragments: A New Homogeneous Model for C-C Bond-Forming and Bond-Breaking on Surfaces, J. Am. Chem. Soc. 1983, 105, 1384.

97. Colborn, R. E.; Vollhardt, K. P. C., An Efficient Synthesis of Ethyne-1-13C, J. Lab. Comp. Radiopharm. 1983, 20, 259.

98. King Jr., J. A.; Vollhardt, K. P. C., Photochemical Synthesis and Structure of (μ-η4-syn-1,3-Butadiene)(μ-carbonyl)bis(η5-cyclopentadienyl)dicobalt(Co-Co), a Dinuclear Butadiene Complex, Organometallics 1983, 2, 684.

99. Vollhardt, K. P. C.; Weidman, T. W., Synthesis, Structure, and Photochemistry of Fulvalene Diruthenium Tetracarbonyl. Thermally Reversible Photoisomerization Involving Carbon-Carbon Bond Activation at a Dimetal Center, J. Am. Chem. Soc. 1983, 105, 1676.

100. King Jr., J. A.; Vollhardt, K. P. C., Vinyl Hydrogen Activation in Mono- and Dinuclear (η5-Cyclopentadienyl)(hexatriene)cobalt Complexes. Thermal and Photochemical Hydrogen Shifts of Complementary Stereochemistry, J. Am. Chem. Soc. 1983, 105, 4846.

101. Berris, B. C.; Hovakeemian, G. H.; Vollhardt, K. P. C., Benzo[3,4]cyclobuta[1,2-b]biphenylene, the First Member of a Novel Series of Linear Cyclobutadienoid Acenes, J. Chem. Soc., Chem. Commun. 1983, 502.

102. Clinet, J.-C.; Duñach, E.; Vollhardt, K. P. C., Practical, Cobalt-Mediated, Diastereoselective Synthesis of the 11-(Trimethylsilyl)-3-methoxyestra-1,3,5(10),8(14),9(11)-pentaene Nucleus: A Novel Steroid Intermediate. First Observation of Hindered Rotation in a Vinyltrimethylsilane, J. Am. Chem. Soc. 1983, 105, 6710.

103. Vollhardt, K. P. C.; Walborsky, E. C., Elemental Sulfur and Selenium Induced Intramolecular Carbyne-Carbyne Coupling in Trinuclear Bis(carbyne) Cobalt Clusters. A Novel Entry into Metalladithiolenes and Metalladiselenolenes, J. Am. Chem. Soc. 1983, 105, 5507.

104. Earl, R. A.; Vollhardt, K. P. C., Cobalt-Catalyzed Cocyclizations of Isocyanatoalkynes: a Regiocontrolled Entry into 5-Indolizinones. Application to a Total Synthesis of Camptothecin, J. Am. Chem. Soc. 1983, 105, 6991.

105. Hovakeemian, G. H.; Vollhardt, K. P. C., The Structure and Reactivity of 2,3,7,8-Tetrakis(trimethylsilyl)terphenylene, a Novel Linear Multiphenylene, Angew. Chem. 1983, 95, 1001; Angew. Chem., Int. Ed. Engl. 1983, 22, 994.

106. Vollhardt, K. P. C., Transition Metal-Mediated [2+2+2]Cycloadditions: Better Than The Diels-Alder Reaction?, in Chemistry for the Future (IUPAC); Grünewald, H., Ed.; Pergamon Press: New York, 1984; p. 181.

107. Vollhardt, K. P. C.; Weidman, T. W., Efficient Syntheses of New Fulvalene-Bridged Carbonyl Complexes of Cobalt, Ruthenium, Chromium, Molybdenum, and Tungsten, Organometallics 1984, 3, 82.

108. Lai, Y-H.; Benner, L. S.; Vollhardt, K. P. C., Studies on the Reaction of Benzene and Other Hydrocarbons with Aluminium Trichloride. The Effect of Catalytically Activated Hydrogen, Fuel 1984, 63, 231.

109. Sternberg, E. D.; Vollhardt, K. P. C., Intramolecular Cobalt-Mediated [2+2+2]Cycloaddition of Linear Enediynes. A Useful Synthetic Entry Into Cobalt-Protected Tricyclic Dienes and their Synthetic Elaboration, J. Org. Chem. 1984, 49, 1564.

110. Sternberg, E. D.; Vollhardt, K. P. C., Cobalt-Mediated Total Synthesis of Steroids. The A→BCD Approach by Enediyne Cyclization, J. Org. Chem. 1984, 49, 1574.

111. Gesing, E. R. F.; Groth, U.; Vollhardt, K. P. C., Iron-Catalyzed Cocyclization of Adiponitriles with Nitriles: A New Synthesis of Fused 1,2,4-Triazines, Synthesis 1984, 16, 351.

112. Ville, G. A.; Vollhardt, K. P. C.; Winter, M. J., Thermally Induced Diastereoisomerization of (Cyclobutadiene)cobalt Complexes as a Probe for the Reversibility of Their Formation from Complexed Alkynes, Organometallics 1984, 3, 1177.

113. Vollhardt, K. P. C., A Nonbiomimetic Approach to the Total Synthesis of Steroids: The Transition Metal-Catalyzed Cyclization of Alkenes and Alkynes, in Strategies and Tactics in Organic Synthesis, Chapter 11; Lindberg, T., Ed.; Academic Press: New York, 1984; p. 299.

114. Drage, J. S.; Tilset, M.; Vollhardt, K. P. C.; Weidman, T. W., First Photosubstitution Chemistry of Fulvalene-Bridged Metal-Metal Bonded Carbonyls. Synthesis and Structural

Determination of Novel Homo- and Heterobimetallic Alkyne Complexes, Organometallics 1984, 3, 812.

115. Vollhardt, K. P. C.; Yang, Z.-Y., Nickel-Catalyzed Reduction of Carbon Monoxide by Hexamethyldisilane: a New Reaction Leading to a Novel Synthesis of Siloxanes, Angew. Chem. 1984, 96, 449; Angew. Chem., Int. Ed. Engl. 1984, 23, 460.

116. Vollhardt, K. P. C., Cobalt-Mediated [2+2+2]-Cycloadditions: A Maturing Synthetic Strategy, Angew. Chem. 1984, 96, 525; Angew. Chem., Int. Ed. Engl. 1984, 23, 539.

117. Earl, R. A.; Vollhardt, K. P. C., The Preparation of 2(1H)-Pyridinones and 2,3-Dihydro-5(1H)-indolizinones via Transition Metal Mediated Cocyclization of Alkynes and Isocyanates. A Novel Construction of the Antitumor Agent Camptothecin, J. Org. Chem. 1984, 49, 4786.

118. Chang, C-A.; Cronin, K. G.; Crotts, D. D.; Duñach, E.; Gadek, T. R.; Vollhardt, K. P. C., Facile Sulfur Dioxide-catalyzed Hydrogen-Deuterium Exchange at the Position α to the Triple Bond in Terminal Alkynes, J. Chem. Soc., Chem. Commun. 1984, 1545.

119. Malacria, M.; Vollhardt, K. P. C., Stereospecific Cobalt-Mediated Enediyne Cyclization Involving a Tetrasubstituted Double Bond: One-Step Construction of the Hydrophenanthrene Nucleus Incorporating Two Adjacent Quaternary Centers, J. Org. Chem. 1984, 49, 5010.

120. Halterman, R. L.; Nguyen, N. H.; Vollhardt, K. P. C., Steric Hindrance to Benzocyclobutene Openings. First Synthesis of a 1,2,3-Tris(trimethylsilylated) Arene by Cobalt-Catalyzed Alkyne Cyclizations and Application of Fully Coupled Two-Dimensional Chemical Shift Correlations to a Structural Problem, J. Am. Chem. Soc. 1985, 107, 1379.

121. Helson, H. E.; Vollhardt, K. P. C.; Yang, Z. Y., Synthesis of the First Linear (o-Phenyleno)naphthalenes; a New Class of Benzenoid Aromatics, Angew. Chem. 1985, 97, 120; Angew. Chem., Int. Ed. Engl. 1985, 24, 114.

122. Vollhardt, K. P. C.; Winn, L. S., Stereospecific Syntheses of Cis- and Trans-1,6-Bistrimethylsilyl-hex-3-ene-1,5-diyne, Tetrahedron Lett. 1985, 26, 709.

123. Berris, B. C.; Hovakeemian, G. H.; Lai, Y.-H.; Mestdagh, H.; Vollhardt, K. P. C., A New Approach to the Construction of Biphenylenes by the Cobalt-Catalyzed Cocyclization of o-Diethynylbenzenes with Alkynes. Application to an Iterative Approach to [3]Phenylene, the First Member of a Novel Class of Benzocyclobutadienoid Hydrocarbons, J. Am. Chem. Soc. 1985, 107, 5670.

124. Vollhardt, K. P. C., Cobalt-Mediated Steroid Synthesis, Pure and Appl. Chem. 1985, 57, 1819.

125. Tilset, M.; Vollhardt, K. P. C., (Fulvalene)dimolybdenum Pentacarbonyl Diphosphine: A Dinuclear Organometallic Zwitterion, Organometallics 1985, 4, 2230.

126. Parnell, C. A.; Vollhardt, K. P. C., The Cobalt Way to Vitamin B6. Regioselective Construction of the Tetrasubstituted Pyridine Nucleus by Cobalt-Catalyzed Alkyne-Nitrile Cooligomerizations, Tetrahedron 1985, 41, 5791.

127. Drage, J. S.; Vollhardt, K. P. C., Synthesis, Structure, and Dynamic Properties of a Fulvalene-Bound Fischer-Type Carbene Complex. A Novel Thermal Elimination of Propene, Organometallics 1985, 4, 191.

128. Duñach, E.; Halterman, R. L.; Vollhardt, K. P. C., Cobalt-Mediated Synthesis of Tricyclic Dienes Incorporating Fused Four-Membered Rings. Unprecedented Rearrangements and Structural Characterization of a Cobalt-Diene Complex by Two-Dimensional NMR Spectroscopy, J. Am. Chem. Soc. 1985, 107, 1664.

129. Drage, J. S.; Vollhardt, K. P. C., Mechanism of the Thermal Extrusion of Sulfur Dioxide from (η5-Cyclopentadienyl)cobalt η4-Thiophene 1,1-Dioxides to Complexed Cyclobutadienes, Organometallics 1985, 4, 389.

130. Fritch, J. R.; Vollhardt, K. P. C., The Reaction of (Dicarbonyl)(η5-Cyclopentadienyl)Cobalt with Bis(trimethylsilyl)ethyne. A One-Step Synthesis of Tetrakis(trimethylsilyl)butatriene, Isr. J. Chem. 1985, 26, 131.

131. Vollhardt, K. P. C., New Cyclization Reactions Using Cobalt Complexes, Kagaku, Zokan, Kyoto, Japan, 1985, 165.

132. Drage, J. S.; Vollhardt, K. P. C., The Chemistry of (Fulvalene)dimolybdenum Hexacarbonyl: A Rigidly Held Dinuclear Transition-Metal Complex, Organometallics 1986, 5, 280.

133. Dower, W. V.; Vollhardt, K. P. C., Thermal Conversions of 1,5,9-Triynes: [2+2+2]Cycloadditions or [3.3]Sigmatropic Shifts?, Tetrahedron 1986, 42, 1873.

134. Eaton, B.; O'Connor, J. M.; Vollhardt, K. P. C., Stepwise Assembly of a Trinuclear Bis(carbyne) Complex From Cyclopentadienylcobalt Units and Bis(trimethylsilyl)acetylene: Isolation and Conversion of Cp2M2(RC≡CR) and (CpM)3(RC≡CR) [M = Co, R = (CH3)3Si], Organometallics 1986, 5, 394.

135. Lecker, S. H.; Nguyen, N. H.; Vollhardt, K. P. C., Cobalt-Catalyzed One-Step Assembly of B-Ring Aromatic Steroids From Acyclic Precursors, J. Am. Chem. Soc. 1986, 108, 856.

136. Goldhaber, A.; Vollhardt, K. P. C.; Walborsky, E. C.; Wolfgruber, M., First Insertion of NO into a Transition-Metal Cluster-Carbon Bond: Regioselective Formation, Structure, and Reactions of the First Alkanenitrile Oxide Complexes, J. Am. Chem. Soc. 1986, 108, 516.

137. Boese, R.; Tolman, W. B.; Vollhardt, K. P. C., Carbonyl Substitution and Ring Slippage upon Reaction of Trialkylphosphines with (Fulvalene)diruthenium Tetracarbonyl. X-ray Structural Analysis of (η0:η4-C10H8)Ru(PMe3)2CO and Fluxional Behavior of (η5:η5-C10H8)Ru2(CO)3L (L = Phosphine), Organometallics 1986, 5, 582.

138. Eaton, B.; King Jr., J. A.; Vollhardt, K. P. C., First Photochemical Envelope Isomerization of a Late-Transition-Metal 1,3-Butadiene Complex: a Triple Stereochemical Labeling Experiment, J. Am. Chem. Soc. 1986, 108, 1359.

139. Moulton, R.; Weidman, T. W.; Vollhardt, K. P. C.; Bard, A. J., Electrochemistry of Carbonyl(fulvalene)dimetal Complexes (M2 = Cr2, Mo2, W2, Ru2, Mo-Ru) in Aprotic Media, Inorg. Chem. 1986, 25, 1846.

140. Butenschön, H.; Winkler, M.; Vollhardt, K. P. C., Cobalt-mediated Synthesis of Highly Crowded Steroids: Unusual Observations of Hindered Rotation of a Trimethylsilyl Group, J. Chem. Soc., Chem. Commun. 1986, 388.

141. Mestdagh, H.; Vollhardt, K. P. C., Photo-oxidation of 2,3,7,8-Tetrakis(trimethylsilyl)benzo[3,4]cyclobuta[1,2-b]biphenylene in the Presence of Oxygen: Unusual

Cleavage of a Benzene Ring to Generate an Alkyne Unit, J. Chem. Soc., Chem. Commun. 1986, 281.

142. Diercks, R.; Vollhardt, K. P. C., Novel Synthesis of the Angular [3]Phenylene (Terphenylene) by Cobalt-Catalyzed Cyclization of Bis(2-ethynylphenyl)ethyne: a Molecule With an Internal Cyclohexatriene Ring, Angew. Chem. 1986, 98, 268; Angew. Chem., Int. Ed. Engl. 1986, 25, 266.

143. Diercks, R.; Armstrong, J. C.; Boese, R.; Vollhardt, K. P. C., Hexaethynylbenzene, Angew. Chem. 1986, 98, 270; Angew. Chem., Int. Ed. Engl. 1986, 25, 268.

144. Halterman, R. L.; Vollhardt, K. P. C., Practical Synthesis of Two Annelated Optically Active Cyclopentadienes from the Chiral Pool and Their Transition Metal Complexes, Tetrahedron Lett. 1986, 27, 1461.

145. Colborn, R. E.; Vollhardt, K. P. C., On the Mechanism of the Cyclooctatetraene Synthesis from Ethyne Employing Nickel Catalysts, J. Am. Chem. Soc. 1986, 108, 5470.

146. Hirthammer, M.; Vollhardt, K. P. C., 2,3-Bis(trimethylsilyl)- and 2,3,8,9-Tetrakis(trimethylsilyl)[4]phenylene, J. Am. Chem. Soc. 1986, 108, 2481.

147. Meyerhoff, D. J.; Nunlist, R.; Tilset, M.; Vollhardt, K. P. C., Dinuclear Tungsten and Molybdenum Complexes with Fulvalene Ligands: Assignment of Their 1H and 13C NMR Spectra by One-Dimensional Heteronuclear NOE Difference Spectroscopy, Magn. Reson. Chem. 1986, 24, 709.

148. Grotjahn, D. B.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2] Cycloadditions of Alkynes to the Indole 2,3-Double Bond: An Extremely Facile Entry into the Novel 4a,9a-Dihydro-9H-carbazole Nucleus, J. Am. Chem. Soc. 1986, 108, 2091.

149. Diercks, R.; Vollhardt, K. P. C., Tris(benzocyclobutadieno)benzene, the Triangular [4]Phenylene with a Completely Bond-Fixed Cyclohexatriene Ring: Cobalt-Catalyzed Synthesis From Hexaethynylbenzene and Thermal Ring Opening to 1,2:5,6:9,10-Tribenzo-3,4,7,8,11,12-hexadehydro[12]annulene, J. Am. Chem. Soc. 1986, 108, 3150.

150. Sheppard, G. S.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2]Cycloadditions of Alkynes to the Pyrrole 2,3-Double Bond: A Novel Construction of Fused Dihydroindoles, J. Org. Chem. 1986, 51, 5496.

151. Vollhardt, K. P. C.; Wolfgruber, M., Formal Insertion of the HCO+ Fragment Into a Trinuclear Cluster Metal-Carbyne Bond: Synthesis, Structure, and Reactivity of Cluster-bound Ethynol, Angew. Chem. 1986, 98, 919; Angew. Chem., Int. Ed. Engl. 1986, 25, 929.

152. Huffman, M. A.; Newman, D. A.; Tilset, M.; Tolman, W. B.; Vollhardt, K. P. C., Designed Syntheses of Heterobimetallic Fulvalene Complexes, Organometallics 1986, 5, 1926.

153. Amer, I.; Amer, H.; Ascher, R.; Blum, J.; Sasson, Y.; Vollhardt, K. P. C., Hydrogenation of Arenes by the RhCl3-Aliquat®336 Catalyst. Part 3. Selective Reduction of Polycyclic Compounds, J. Mol. Catal. 1987, 39, 185.

154. Vollhardt, K. P. C., Organic Chemistry; W.H. Freeman and Co.: New York, 1987.

155. Blum, J.; Amer, I.; Vollhardt, K. P. C.; Schwarz, H.; Höhne, G., Hydrogenation of Arenes by the RhCl3-Aliquat 336 Catalyst. 4. Hydrogen-Deuterium Exchange and Other Mechanistic Features, J. Org. Chem. 1987, 52, 2804.

156. Amer, I.; Bravdo, T.; Blum, J.; Vollhardt, K. P. C., Selective C-C Bond Hydrogenation in Unsaturated Nitro Compounds in the Presence of the RhCl3-Aliquat 336 Catalyst System, Tetrahedron Lett. 1987, 28, 1321.

157. Blanco, L.; Helson, H. E.; Hirthammer, H.; Mestdagh, H.; Spyroudis, S.; Vollhardt, K. P. C., 2,3,9,10-Tetrakis(trimethylsilyl)[5]phenylene. Synthesis via Regiospecific Cobalt-Catalyzed Cocyclization of 1,6-Bis(triisopropylsilyl)-1,3,5-hexatriyne, Angew. Chem. 1987, 99, 1276; Angew. Chem., Int. Ed. Engl. 1987, 26, 1246.

158. Halterman, R. L.; Vollhardt, K. P. C.; Welker, M. E.; Bläser, D.; Boese, R., A Designed, Enantiomerically Pure, Fused Cyclopentadienyl Ligand with C2 Symmetry: Synthesis and Use in Enantioselective Titanocene-Catalyzed Hydrogenations of Alkenes, J. Am. Chem. Soc. 1987, 109, 8105.

159. Boese, R.; Knölker, H-J.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2]Cycloadditions of Alkynes to the Imidazole 4,5-Double Bond. First Synthesis of the 3a,7a-Dihydrobenzimidazole Nucleus and Its Preliminary Chemistry Including a Novel Quinoline Construction, Angew. Chem. 1987, 99, 1067; Angew. Chem., Int. Ed. Engl. 1987, 26, 1035.

160. Vollhardt, K. P. C., Cobalt-Mediated Syntheses of Polyheterocycles, Lect. Heterocycl. Chem. 1987, 9, 59.

161. Stanger, A.; Vollhardt, K. P. C., The Origin of the Symmetrical Structure of Benzene. Is the σ or the π Frame Responsible? An Ab Initio Study of the Effect of HCC Bond Angle Distortion, J. Org. Chem. 1988, 53, 4889.

162. Halterman, R. L.; Vollhardt, K. P. C., Synthesis and Asymmetric Reactivity of Enantiomerically Pure Cyclopentadienylmetal Complexes Derived From the Chiral Pool, Organometallics 1988, 7, 883.

163. Halterman, R. L.; Vollhardt, K. P. C., First Case of Interannular, Possibly Electronically Transmitted, Asymmetric Induction in an Organometallic Compound, Angew. Chem. 1988, 100, 592; Angew. Chem., Int. Ed. Engl. 1988, 27, 553.

164. Vollhardt, K. P. C.; Walborsky, E. C., Intramolecular Carbyne-carbyne Coupling on Exposure of [μ3-η1-CR1][μ3-η1-CR2][CpCo]3 Clusters to Sulphur and Selenium: A Novel Synthesis of 1-Cobalta-2,5-diheterocyclopent-3-enes, Polyhedron 1988, 7, 1023.

165. Vollhardt, K. P. C., Organische Chemie; Verlag Chemie GmbH: Weinheim, 1988.

166. Bläser, D.; Boese, R.; Brett, W. A.; Rademacher, P.; Schwager, H.; Stanger, A.; Vollhardt, K. P. C., Structure, Deformation Electron Densities, Photoelectron Spectra, and Reactivity of 3,4-Dihydro-1H-cyclobuta[a]cyclopropa[d]benzene, Angew. Chem. 1989, 101, 209; Angew. Chem., Int. Ed. Engl. 1989, 28, 189.

167. El-Shall, M. S.; Vollhardt, K. P. C., Molecular Structure and Electronic Properties of Hexaethynylbenzene, J. Mol. Struct. (Theochem) 1989, 183, 175.

168. King Jr., J. A.; Vollhardt, K. P. C., The Thermal and Photochemical Degenerate "Walk" of (η5-Cyclopentadienyl)cobalt Along η4-Bound 1,3,5-Hexatriene, J. Organomet. Chem. 1989, 369, 245.

169. Harvey, D. F.; Johnson, B. M.; Ung, C. S.; Vollhardt, K. P. C., η5-Cyclopentadienylcobalt-mediated Inter- and Intramolecular [2+2+2]Cycloadditions of Alkynes to Aldehydes and Ketones: a Novel Synthesis of Fused 2H-Pyrans, Synlett 1989, 15.

170. Eichhorn, B. W.; Kerby, M. C.; Haushalter, R. C.; Vollhardt, K. P. C., Activated Molybdenum-Molybdenum Quadruple Bonds. Synthesis, Structure, and Properties of [Mo2(O2CMe)2(en)4][(O2CMe)2]·en: A Solid-State Model for a Solvent-Shared Ion Pair, Inorg. Chem. 1990, 29, 723.

171. Kerby, M. C.; Eichhorn, B. W.; Creighton, J. A.; Vollhardt, K. P. C., Models for Organometallic Polymers. ZigZag Chains of Mo2(O2CCH3)4 Units Linked by DMPE and TMED Ligands, Inorg. Chem. 1990, 29, 1319.

172. Amer, I.; Bernstein, T.; Eisen, M.; Blum, J.; Vollhardt, K. P. C., Oligomerization of Alkynes by the RhCl3-Aliquat 336 Catalyst System. Part 1. Formation of Benzene Derivatives, J. Mol. Cat. 1990, 60, 313.

173. Boese, R.; Myrabo, R. L.; Newman, D. A.; Vollhardt, K. P. C., On the Way to Ligating Oligocyclopentadienyls: Synthesis and Preliminary Reactivity of the Two Isomeric Tercyclopentadienyls and Their Transition Metal Complexes, Angew. Chem. 1990, 102, 589; Angew. Chem., Int. Ed. Engl. 1990, 29, 549.

174. Schwager, H.; Spyroudis, S.; Vollhardt, K. P. C., Tandem Palladium-, Cobalt- and Nickel-catalyzed Syntheses of Polycyclic π-Systems Containing Cyclobutadiene, Benzene and Cyclooctatetraene Rings, J. Organomet. Chem. 1990, 382, 191.

175. Amer, I.; Blum, J.; Vollhardt, K. P. C., Oligomerization of Alkynes by the RhCl3-Aliquat 336 Catalyst System. Part 2. Formation of 2,3-Disubstituted 1-Phenylnaphthalenes by Cyclodimerization of Phenylalkynes, J. Mol. Cat. 1990, 60, 323.

176. Grotjahn, D. B.; Vollhardt, K. P. C., An Unprecedented Propellane-to-Spirofused Skeletal Rearrangement Upon Oxidative Demetalation of CpCo-Complexed Polycylic Dienes: Synthesis of a Pentacyclic, Potential Precursor to Strychnine, J. Am. Chem. Soc. 1990, 112, 5653.

177. Kahn, A. P.; Newman, D. A.; Vollhardt, K. P. C., Site-Specific Synthesis of Heterodinuclear Fulvalene Complexes, Synlett 1990, 1, 141.

178. Johnson, B. M.; Vollhardt, K. P. C., Simple Preparation of an Optically-Pure Daunomycinone A-Ring Precursor from (–)-Quinic Acid, Synlett 1990, 1, 209.

179. McGovern, P. A.; Vollhardt, K. P. C., The Synthesis and Novel Reactivity of Homo- and Heterodinuclear Fulvalene Carbonyls, Synlett 1990, 1, 493.

180. Mohler, D. L.; Vollhardt, K. P. C.; Wolff, S., Facile Hydrogenation of the Central Cyclohexatriene of Tris(benzocyclobutadieno)benzene: Synthesis, Structure, and Thermal and Photochemical Isomerization of all-cis-Tris(benzocyclobuta)cyclohexane, Angew. Chem. 1990, 102, 1200; Angew. Chem., Int. Ed. Engl. 1990, 29, 1151.

181. Vollhardt, K. P. C., Chimie Organique (French translation); A. de Boeck: Brussels, 1990.

182. Germanas, J.; Vollhardt, K. P. C., Stereocontrolled Synthesis of Tetrasubstituted Double Bonds: Application to the Construction of Highly Functionalized 4-Alkylidenecyclohexanones, Synlett 1990, 1, 505.

183. Vollhardt, K. P. C., Química Orgánica (Spanish translation); Ediciones Omega, S.A.: Barcelona, 1990.

184. Vollhardt, K. P. C., Chimica Organica (Italian translation); Zanichelli: Bologna, 1990.

185. Blum, J.; Bitan, G.; Marx, S.; Vollhardt, K. P. C., Transfer Hydrogenation of Diarylacetylenes by Polymethylhydrosiloxane in the Presence of the RhCl3-Aliquat 336 Catalyst, J. Mol. Cat. 1991, 66, 313.

186. Badrieh, Y.; Blum, J.; Amer, I.; Vollhardt, K. P. C., Cyclo-oligomerization and Rearrangement of Some Phenylated Diynes by the RhCl3-Aliquat 336 and by the H2PtCl6-Aliquat 336 Catalysts Under Phase Transfer Conditions, J. Mol. Cat. 1991, 66, 295.

187. Vollhardt, K. P. C., Metallacyclopentadiene and Metallacyclopentene Complexes by Cyclodimerization of Alkynes with Alkynes or Alkenes, in Inorganic Reactions and Methods, Vol. 12A, Sec. 5.8.2.7.4.; Hagen, A. P. and Zuckerman, J. J., Eds.; Verlag Chemie: New York, 1991; p. 247.

188. Kerby, M. C.; Eichhorn, B. W.; Doviken, L.; Vollhardt, K. P. C., Activated Molybdenum-Molybdenum Quadruple Bonds. 2. First Example of Alkyne Additions to Metal-Metal Quadruple Bonds, Inorg. Chem. 1991, 30, 156.

189. Johnson, E. P.; Vollhardt, K. P. C., Stereoselective, One-Step Assembly of the Strained Protoilludane Framework by Cobalt-Mediated Cyclization of an Acyclic Enediyne Precursor. A Total Synthesis of Illudol, J. Am. Chem. Soc. 1991, 113, 381.

190. Boese, R.; Rodriguez, J.; Vollhardt, K. P. C., Chemo- and Stereoselective Cobalt-Mediated [2+2+2]Cycloaddition of Alkynes with Uracil Derivatives. A Novel Synthetic Entry to Modified Nucleosides, Angew. Chem. 1991, 103, 1032; Angew. Chem., Int. Ed. Engl. 1991, 30, 993.

191. Boese, R.; Huffman, M. A.; Vollhardt, K. P. C., Unique Reactivity of Heterodinuclear Pentacarbonyl(fulvalene)molybdenumruthenium with Alkynes: Fluxionality, Rearrangements, Structures, and First Reversible Conversion of a "Side-on"- to a Semi-Bridging Alkenylidene Ligand, Angew. Chem. 1991, 103, 1542; Angew. Chem., Int. Ed. Engl. 1991, 30, 1463.

192. Germanas, J.; Aubert, C.; Vollhardt, K. P. C., One-Step Construction of the Stemodane Framework via the Cobalt-Catalyzed Cyclization of Monocyclic Enynes: A Formal Total Synthesis of Stemodin, J. Am. Chem. Soc. 1991, 113, 4006.

193. Delville-Desbois, M-H.; Brown, D. S.; Vollhardt, K. P. C.; Astruc, D., Redox Chemistry of the Heterodinuclear Fulvalene Complexes [WM(fulvalene)(CO)5], M = Fe or Ru: Selective Metal Redox Recognition, J. Chem. Soc., Chem. Commun. 1991, 1355.

194. Stanger, A.; Vollhardt, K. P. C., Synthesis and Fluxional Behavior of [Bis(trialkylphosphine)nickelio]anthracene(Alkyl = Et, Bu), Organometallics 1992, 11, 317.

195. Brown, D.; Delville-Desbois, M-H.; Vollhardt, K. P. C.; Astruc, D., Specific Metal Recognition in the Redox Chemistry of the Heterobinuclear Fulvalene Complexes [WM(fulvalene)(CO)5], M=Fe or Ru and Access to Tetranuclear Difulvalene Complexes, New J. Chem. 1992, 16, 899.

196. Faust, R.; Glendening, E. D.; Streitwieser, A.; Vollhardt, K. P. C., Ab Initio Study of σ- and π-Effects in Benzenes Fused to Four-Membered Rings: Rehybridization, Delocalization, and Antiaromaticity, J. Am. Chem. Soc. 1992, 114, 8263.

197. Schmidt-Radde, R. H.; Vollhardt, K. P. C., Total Synthesis of Angular [4]Phenylene and [5]Phenylene, J. Am. Chem. Soc. 1992, 114, 9713.

198. Malaska, M.; Vollhardt, K. P. C., Organic Transformations Involving Organocobalt: Mechanisms and Synthesis, in Adv. Nat. Prod. Chem.; Atta-ur-Rahman, Ed.; Harwood Academic Publishers: Chur, Switzerland, 1992; p. 53.

199. Boese, R.; Green, J.; Mittendorf, J.; Mohler, D. L.; Vollhardt, K. P. C., The First Hexabutadiynylbenzenes: Synthesis and Structures, Angew. Chem. 1992, 104, 1643; Angew. Chem., Int. Ed. Engl. 1992, 31, 1643.

200. Bunz, U.; Vollhardt, K. P. C.; Ho, J. S.; Tetraalkynylmethanes: Synthesis of Diethynyldipropargyl- and Tetrapropargylmethane, Angew. Chem. 1992, 104, 1645; Angew. Chem., Int. Ed. Engl. 1992, 31, 1648.

201. Glendening, E. D.; Faust, R.; Streitwieser, A.; Vollhardt, K. P. C.; Weinhold, F., The Role of Delocalization in Benzene, J. Am. Chem. Soc. 1993, 115, 10952.

202. El Amouri, H.; Vaissermann, J.; Besace, Y.; Vollhardt, K. P. C.; Ball, G. E., Two-Dimensional 1H-NMR EXSY Study of the Fluxional Behavior of the Novel Carbenium Ion Complex [FvMo2(CO)4(µ,η2,η3-MeC≡CCH2)][BF4](Fv = Fulvalene): Syntheses, Structures, and Reactivity, Organometallics 1993, 12, 605.

203. Vollhardt, K. P. C., The Phenylenes, Pure Appl. Chem. 1993, 65, 153.

204. Faust, R.; Vollhardt, K. P. C., Semibuckminsterfullerene: An MNDO-Study of a Hemispherical Triindenotriphenylene, J. Chem. Soc., Chem. Commun. 1993, 1471.

205. Vollhardt, K. P. C., Organic Chemistry (Korean translation); Tamgu Dang Publishing Co.: Seoul, 1993.

206. King Jr., J. A.; Vollhardt, K. P. C., The Thermally-induced Prototropic Isomerization of η4-1,3-, η4-1,4-, η4-1,5-Dialkenes Complexed to (η5-Cyclopentadienyl)cobalt, J. Organomet. Chem. 1993, 460, 91.

207. Grotjahn, D. B.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2]Cycloaddition of Alkynes to the

Enamine Double Bond: A Formal Total Synthesis of -Lycorane, Synthesis 1993, 25, 579.

208. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 2nd ed.; W. H. Freeman and Co.: New York, 1994.

209. Lichtenberger, D. L.; Subramanian, L.; Bunz, U.; Vollhardt, K. P. C., Sigma-Pi Interactions in Non-Conjugated Polyalkynes: A Photoelectron Spectroscopic Study, J. Chem. Soc., Perkin Trans. 2 1994, 1351.

210. Brown, D. S.; Delville-Desbois, M-H.; Boese, R.; Vollhardt, K. P. C.; Astruc, D., Electron-Reservoir Complexes (FeICp(arene)] as Selective Initiators for a Novel Electron-Transfer-Chain Catalyzed Reaction: General Synthesis of Fulvalene-Bridged Homo- and Heterodinuclear Zwitterions, Angew. Chem. 1994, 106, 715; Angew. Chem., Int. Ed. Engl. 1994, 33, 661.

211. Boese, R.; Bläser, D.; Billups, W. E.; Haley, M. M.; Maulitz, A. H.; Mohler, D. L.; Vollhardt, K. P. C., The Effect of Fusion of Angular Strained Rings on Benzene: Crystal Structures of 1,2-Dihydrocyclobuta[a]cyclopropa[c]-, 1,2,3,4-Tetrahydrodicyclobuta[a,c]-, 1,2,3,4-Tetrahydrodicyclobuta[a,c]-cyclopropa[e]-, and 1,2,3,4,5,6-Hexahydrotricyclobuta[a,c,e]benzene, Angew. Chem. 1994, 106, 321; Angew. Chem., Int. Ed. Engl. 1994, 33, 313.

212. King Jr., J. A.; Vollhardt, K. P. C., Thermally and Photochemically Induced Vinyl-hydrogen Activation of [η4-1,2:3,4-(trans-1,3,5-hexatriene)](η5-cyclopentadienyl)cobalt: Regio- and Stereospecific Hydrogen Migrations, J. Organomet. Chem. 1994, 470, 207.

213. Lowack, R. H.; Vollhardt, K. P. C., Decasubstituted Decaphenylmetallocenes, J. Organomet. Chem. 1994, 476, 25.

214. Kahn, A. P.; Boese, R.; Blümel, J.; Vollhardt, K. P. C., Synthesis and Chemistry of Heterobimetallic Fulvalene Complexes Containing W, Mo, and Rh, J. Organomet. Chem. 1994, 472, 149.

215. Tilset, M.; Vollhardt, K. P. C.; Boese, R., Chemistry of Dinuclear Fulvalene Complexes: Dihydrides, Zwitterions, and Ring-Slippage Complexes Derived from FvM2(CO)6 (M = Mo, W), Organometallics 1994, 13, 3146.

216. Saá, C.; Crotts, D. D.; Hsu, G.; Vollhardt, K. P. C., A Cobalt-Catalyzed Entry Into the Ergot Alkaloids: Total Syntheses of (±)-Lysergene and (±)-LSD, Synlett 1994, 5, 487.

217. Boese, R.; Van Sickle, A. P.; Vollhardt, K. P. C., The Cobalt-Mediated [2+2+2]Cycloaddition of α,ω-Diynes to the 2,3-Double Bond of Indole, Synthesis 1994, 26, 1374.

218. Boese, R.; Harvey, D. F.; Malaska, M. J.; Vollhardt, K. P. C., [2+2+2]Cycloadditions of Alkynes to Furans and Thiophenes: A Cobalt-Mediated "Enolether Walk", J. Am. Chem. Soc. 1994, 116, 11153.

219. Mohler, D. L.; Vollhardt, K. P. C.; Wolff, S., Novel Structures from Trisbenzocyclobuta-dienocyclohexatriene: Triscyclopropanation and Trisoxacyclopropanation to the First [2.1.2.1.2.1]Hexannulanes, Angew. Chem. 1995, 107, 601; Angew. Chem., Int. Ed. Engl. 1995, 34, 563.

220. Boese, R.; Matzger, A. J.; Mohler, D. L.; Vollhardt, K. P. C., C3-Symmetric Hexakis(trimethylsilyl)[7]phenylene ["Tris(biphenylenocyclobutadieno)cyclohexatriene"], a Polycyclic Benzenoid Hydrocarbon with Slightly Curved Topology, Angew. Chem. 1995, 107, 1630; Angew. Chem., Int. Ed. Engl. 1995, 34, 1478.

221. de Azevedo, C. G.; Boese, R.; Newman, D. A.; Vollhardt, K. P. C., Synthesis of the Quatercyclopentadienylligand and Its Half-Sandwich Tetratungsten Complexes, Organometallics 1995, 14, 4980.

222. Baldwin, K. P.; Matzger, A. J.; Scheiman, D. A.; Tessier, C. A.; Vollhardt, K. P. C.; Youngs, W. J., Synthesis, Crystal Structure, and Polymerization of 1,2:5,6:9,10-Tribenzo-3,7,11,13-tetradehydro[14]annulene, Synlett 1995, 6, 1215. Addendum, Synlett 1996, 6, 288.

223. Vollhardt, K. P. C.; Schore, N. E., Organische Chemie, 2nd ed.; Verlag Chemie GmbH: Weinheim, 1995.

224. Vollhardt, K. P. C.; Schore, N. E., Traite de Chimie Organique, 2nd ed.; de Boeck-Wesmael: Brussels, 1995.

225. Mohler, D. L.; Vollhardt, K. P. C., The Phenylenes: Synthesis, Properties, and Reactivity, in Adv. Strain Org. Chem., Vol 5; pp. 121-160, Halton, B., Ed.; JAI Press: London, 1996.

226. Boese, R.; Bräunlich, G.; Gotteland, J-P.; Hwang, J-T.; Troll, C.; Vollhardt, K. P. C., Metalated Tetra- and Penta(cyclopentadienyl)cyclopentadienyl Compounds: Syntheses by Multiple Pd-catalyzed Cyclopentadienylations, Angew. Chem. 1996, 108, 1100; Angew. Chem., Int. Ed. Engl. 1996, 35, 995.

227. Brown, D. S.; Delville, M-H.; Vollhardt, K. P. C.; Astruc, D., The Use of the Electron-Reservoir [FeCp(arene)]Sandwiches as Efficient and Selective Electrocatalysts: Syntheses of Homo- and Heterodinuclear Zwitterionic Transition-Metal Fulvalene Complexes, Organometallics 1996, 15, 2360.

228. Cammack, J. K.; Jalisatgi, S.; Matzger, A. J.; Negrón, A.; Vollhardt, K. P. C., Room Temperature CpCo-Mediated Cyclization of α,δ,ω-Enediynes to Rearranging Strained Tricyclic Dienes: Some Observations of Kinetic versus Thermodynamic Control, J. Org. Chem. 1996, 61, 4798.

229. Vollhardt, K. P. C.; Schore, N. E., Química Orgánica (Spanish translation), 2nd ed.; Ediciones Omega, S. A.: Barcelona, 1996.

230. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 2nd Edition (Japanese translation), Kagaku-Dojin Publishing Co.: Kyoto, 1996.

231. McGovern, P. A.; Vollhardt, K. P. C., (Fulvalene)dichromium Hexacarbonyl: Structure, Substitution, and Catalytic Hydrogenation of Conjugated Dienes, Chem. Commun. 1996, 1593.

232. Vollhardt, K. P. C.; Schore, N. E., Organska Hemija (Serbian translation; 2nd Edition); Haydigraf: Belgrade, 1996.

233. Boese, R.; Matzger, A. J.; Vollhardt, K. P. C., Synthesis, Crystal Structure, and Explosive Decomposition of 1,2:5,6:11,12:15,16-Tetrabenzo-3,7,9,13,17,19-hexadehydro[20]annulene: Formation of Onion- and Tube-like Closed-Shell Carbon Particles, J. Am. Chem. Soc. 1997, 119, 2052.

234. Brown, D. S.; Kahn, A. P.; Newman, D. A.; Vollhardt, K. P. C., Pentacarbonyl-1K3C, 2K2C-(μ-η5:η5-fulvalenediyl)tungsten iron (Fe-W), Pentacarbonyl-1K3C, 2K2C-(μ-η5:η5-fulvalenediyl) (methyl)tungsten rhodium (Rh-W) - FeW(μ-η5:η5-C10H8(CO)5, WRh(μ-η5:η5-C10H8)(CH3)(CO)5, in Synthetic Methods of Organometallic and Inorganic Chemistry, Vol. 7, Transition Metals, Pt. 1; Herrmann, W. A., Ed.; Thieme Verlag: Stuttgart, 1997, pp 174-179.

235. Boese, R.; Cammack, J. K.; Matzger, A. J.; Pflug, K.; Tolman, W. B.; Vollhardt, K. P. C.; Weidman, T. W., Photochemistry of (Fulvalene)diruthenium(tetracarbonyl) and Its Derivatives: Efficient Light Energy Storage Devices, J. Am. Chem. Soc. 1997, 119, 6757.

236. Eickmeier, C.; Junga, H.; Matzger, A. J.; Scherhag, F.; Shim, M.; Vollhardt, K. P. C., 5,6,11,12,17,18-Hexadehydro-1,4,7,10,13,16-hexaethynyltribenzo[a,e,i]cyclododecene: Synthesis and CpCo-catalyzed Cycloisomerization to the First Superdelocalized Oligophenylenes, Angew. Chem. 1997, 109, 2194; Angew. Chem., Int. Ed. Engl. 1997, 36, 2103.

237. Matzger, A. J.; Vollhardt, K. P. C., From Phenylenes to Acenes: Flash Vacuum Pyrolytic Isomerization of Angular [3]Phenylene to Benzo[ghi]fluoranthene, Chem. Commun. 1997, 1415.

238. Vollhardt, K. P. C.; Schore, N. E., Chimica Organica (Italian translation), 2nd ed.; Zanichelli: Bologna, 1997.

239. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry (Korean translation), 2nd ed.; Tamgu Dang Publishing Co.: Seoul, 1997.

240. Diercks, R.; Eaton, B. E.; Gürtzgen, S.; Jalisatgi, S.; Matzger, A. J.; Radde, R. H.; Vollhardt, K. P. C., The First Metallacyclopentadiene(alkyne) Complexes and Their Discrete Isomerization to η4-Bound Arenes : the Missing Link in the Prevalent Mechanism of Transition Metal Catalyzed Alkyne Cyclotrimerizations, as Exemplified by Cyclopentadienylcobalt, J. Am. Chem. Soc. 1998, 120, 8247. 241. Matzger, A. J.; Vollhardt, K. P. C., Benzocyclynes Adhere to Hückel's Rule by the Ring Current Criterion in Experiment (1H NMR) and Theory (NICS), Tetrahedron Lett. 1998, 39, 6791.

242. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry, 3rd ed.; W.H. Freeman & Co.: New York, 1999.

243. Barrow, M. P.; Cammack, J. K.; Goebel, M.; Wasser, I. M.; Vollhardt, K. P. C.; Drewello, T.,

Penta(cyclopentadienyl)-5-cyclopentadienylmanganesetricarbonyl: Structure and Laser-induced

Conversion to Fullerenes, J. Organomet. Chem. 1999, 572, 135.

244. Eickmeier, C.; Holmes, D.; Junga, H.; Matzger, A. J.; Scherhag, F.; Shim, M.; Vollhardt, K. P. C., A Novel Phenylene Topology: Total Syntheses of Zigzag [4]- and -[5]Phenylene, Angew. Chem. 1999, 111, 856; Angew. Chem. Int. Ed. 1999, 38, 800.

245. Vollhardt, K. P. C.; Cammack, J. K; Matzger, A. J.; Bauer, A.; Capps, K. B.; Hoff, C. D., Thermodynamic and Kinetic Study of Oxidative Addition/Reductive Elimination of H2 and D2 to FulvaleneCr2(CO)6: First Evidence for Relatively Strong Metal-Metal Bonds in Fulvalenedimetals, Inorg. Chem. 1999, 38, 2624.

246. Holmes, D.; Kumaraswamy, S.; Matzger, A. J.; Vollhardt, K. P. C., On the Nature of Nonplanarity in the [N]Phenylenes, Chem. Eur. J. 1999, 5, 3399.

247. Pellissier, H.; Rodriguez, J.; Vollhardt, K. P. C., Cobalt-mediated [2+2+2]Cycloadditions of Pyrimidine Derivatives to Alkynes, Chem. Eur. J. 1999, 5, 3549.

248. Matzger, A. J.; Shim, M.; Vollhardt, K. P. C., The Crystal Structure of 5,6,11,12,17,18-Hexadehydro-1,4,7,10,13,16-hexaethynyltribenzo[a,e,i]cyclododecene Tetrahydrofuran Solvate: a Case of High Organization Enforced by Chelating Alkyne C-H····O Hydrogen Bonding, Chem. Commun. 1999, 1871.

249. Dosa, P. I.; Erben, C.; Iyer, V. S.; Vollhardt, K. P. C.; Wasser, I. M., Metal Encapsulating Carbon Nanostructures from Oligoalkyne Metal Complexes, J. Am. Chem. Soc. 1999, 121, 10430.

250. Vollhardt, K. P. C.; Schore, N. E., Traité de Chimie Organique (French translation), 3rd edition, De Boeck & Larcier: Paris-Brussels, 1999.

251. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 3rd Edition (Japanese translation), Kagaku-Dojin Publishing Co.: Kyoto, 1999.

252. Peréz, D.; Siesel, B. A.; Malaska, M. J.; David, E.; Vollhardt, K. P. C., Stereoselective Cobalt-Mediated [2+2+2]Cycloadditions to the Benzofuran Nucleus: A Novel Strategy towards the Synthesis of Morphinoids, Synlett 2000, 11, 306.

253. Kayser, B.; Eichberg, M. J.; Vollhardt, K. P. C., Synthesis, Structure, and Fluxionality of -

Diphenylsilylene(fulvalene)tetracarbonyldirhenium - Double Si-H Activation to the First Fulvalene Silylene Complex, Organometallics 2000, 19, 2389.

254. Beckhaus, H.-D.; Faust, R.; Matzger, A .J.; Mohler, D. L.; Rogers, D. W.; Rüchardt, C.; Sawhney, A. K.; Verevkin, S. P.; Vollhardt, K. P. C.; Wolff, S., The Heat of Hydrogenation of (a) Cyclohexatriene, J. Am. Chem. Soc. 2000, 122, 7819.

255. Vollhardt, K. P. C.; Schore, N. E., Organische Chemie (German translation), 3rd edition, Wiley-VCH Verlag GmbH: Weinheim, 2000.

256. Vollhardt, K. P. C.; Schore, N. E., Química Orgánica (Spanish translation), 3rd edition, Ediciones Omega: Barcelona, 2000.

257. Eichberg, M. J.; Dorta, R. L.; Lamottke, K.; Vollhardt, K. P. C., The Formal Total Synthesis of (±)-Strychnine via a Cobalt-Mediated [2+2+2]Cycloaddition, Org. Lett. 2000, 2, 2479.

258. Dosa, P. I.; Schleifenbaum, A.; Vollhardt, K. P. C., Isomerization of Linear to Angular [3]Phenylene and PAHs Under Flash Vacuum Pyrolysis Conditions, Org. Lett. 2001, 3, 1017.

259. Eichberg, M. J.; Dorta, R. L.; Grotjahn, D. B.; Lamottke, K.; Schmidt, M.; Vollhardt, K. P. C., Approaches to the Synthesis of (±)-Strychnine via the Cobalt-Mediated [2+2+2]Cycloaddition: Rapid Assembly of a Classic Framework, J. Am. Chem. Soc. 2001, 123, 9324.

260. Schleifenbaum, A.; Feeder, N.; Vollhardt, K. P. C., The X-Ray Crystal Structure of Linear [3]Phenylene Tetrahedron Lett. 2001, 42, 7329.

261. Israelson, O.; Vollhardt, K. P. C.; Blum, J., Further Studies on Hydration of Alkynes by the PtCl4-CO Catalyst, J. Mol. Cat. A 2002, 184, 1.

262. Dosche, C.; Löhmannsröben, H.-G.; Bieser, A.; Dosa, P. I.; Han, S.; Iwamoto, M.; Schleifenbaum, A.; Vollhardt, K. P. C., Photophysical Properties of [N]Phenylenes, Phys. Chem. Chem. Phys. 2002, 4, 2156.

263. Chen, M.-C.; Eichberg, M. J.; Vollhardt, K. P. C.; Sercheli, R.; Wasser, I. M.; Whitener, G. D., Photosubstitution of (Fulvalene)tetracarbonyldiruthenium by Alkenes and Alkynes: First Observation of Alkyne Coupling on Fulvalene Dimetals and Synthesis of a (Fulvalene)dimetallacyclopentadiene(alkene) Complex, Organometallics 2002, 21, 749.

264. de Azevedo, C. G.; Vollhardt, K. P. C., Oligocyclopentadienyl Transition Metal Complexes, Synlett 2002, 13, 1019.

265. Bong, D. T.-Y.; Gentric, L.; Holmes, D.; Matzger, A. J.; Scherhag, F.; Vollhardt, K. P. C., Synthesis of bent [4]phenylene (cyclobuta[1,2-a:3,4-b']bisbiphenylene) and structure of a bis(trimethylsilyl) derivative : the last [4]phenylene isomer, Chem. Commun. 2002, 278.

266. Capps, K. B.; Bauer, A.; Whitener, G. D.; Abboud, K.; Wasser, I. M.; Vollhardt, K. P. C.; Hoff,

C. D., Synthesis and Crystal Structures of (Fulvalene)W2(SH)2(CO)6, (Fulvalene)W2(-S2)(CO)6,

and (Fulvalene)W2(-S)(CO)6-Low Valent Tungsten Carbonyl Sulfide and Disulfide Complexes

Stabilized by the Bridging Fulvalene Ligand, Inorg. Chem. 2002, 41, 3212.

267. Dosa, P. I.; Whitener, G. D.; Vollhardt, K. P. C.; Bond, A. D.; Teat, S. J., Cobalt Mediated Synthesis of Angular [4]Phenylene: Structural Characterization of a Metallacyclopentadiene(Alkyne) Intermediate and Its Thermal and Photochemical Conversion, Org. Lett. 2002, 4, 2075.

268. Han, S.; Bond, A. D.; Disch, R. L.; Holmes, D.; Schulman, J. M.; Teat, S. J.; Vollhardt, K. P. C.; Whitener, G. D., Total Syntheses and Structures of Angular [6]- and [7]Phenylene: The First Helical Phenylenes (Heliphenes), Angew. Chem. 2002, 114, 3357; Angew. Chem. Int. Ed. 2002, 41, 3223.

269. Han, S.; Anderson, D. R.; Bond, A. D.; Chu, H. V.; Disch, R. L.; Holmes, D.; Schulman, J. M.; Teat, S. J.; Vollhardt, K. P. C.; Whitener, G. D., Total Syntheses of Angular [7]-, [8]-, and [9]Phenylene by Triple Cobalt-catalyzed Cycloisomerization: Remarkably Flexible Heliphenes, Angew. Chem. 2002, 114, 3361; Angew. Chem. Int. Ed. 2002, 41, 3227.

270. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry - Structure and Function, 4th ed.; W.H. Freeman & Co.: New York, 2003.

271. Miljanić, O. Š.; Vollhardt, K. P. C. ; Whitener, G. D., An Alkyne Metathesis-Based Route to ortho-Dehydrobenzannulenes, Synlett 2003, 14, 29.

272. Bruns, D.; Miura, H.; Vollhardt, K. P. C.; Stanger, A., On Route to Archimedene: Total Synthesis of C3h-Symmetric [7]Phenylene, Org. Lett. 2003, 5, 549.

273. Dosche, C.; Kumke, M. U.; Ariese, F.; Bader, A. N.; Gooijer, C.; Dosa, P. I.; Han, S.; Miljanić, O. Š.; Vollhardt, K. P. C.; Puchta, R.; van Eikema Hommes, N. J. R., Shpol’skii spectroscopy and vibrational analysis of [N]phenylenes, Phys. Chem. Chem. Phys. 2003, 5, 4563. 274. Iyer, V.; Vollhardt, K. P. C.; Wilhelm, R., Near-quantitative Solid State Synthesis of Carbon Nanotubes from Homogeneous Diphenylethyne Cobalt and -Nickel Complexes, Angew. Chem. 2003, 115, 4515; Angew. Chem. Int. Ed. 2003, 42, 4379.

275. Cammack, J. K.; Amouri, H.; Leonard, P. W.; Myrabo, R. L.; Vollhardt, K. P. C., Electron Exchange Along the Tercyclopentadienyltrimetallic Scaffold: Kinetics, Equilibria, and Bond Strengths, Angew. Chem. 2004, 116, 1417; Angew. Chem. Int. Ed. 2004, 43, 1393.

276. Eichberg, M. J.; Vollhardt, K. P. C., The Synthesis of (±)-Strychnine Via a Cobalt-Mediated [2+2+2]Cycloaddition, in Strategies and Tactics in Organic Synthesis,Vol. 4, Chapter 14; Harmata, M., Ed.; Elsevier Science: Oxford, 2004; p. 365.

277. Kumaraswamy, S.; Jalisatgi, S. S.; Matzger, A. J.; Miljanić, O. Š.; Vollhardt, K. P. C., Anatomy of a Cyclohexatriene: Chemical Dissection of the π- and σ-Frame of Angular [3]Phenylene, Angew. Chem. 2004, 116, 3797; Angew. Chem. Int. Ed. 2004, 43, 3711. 278. Bong, D. T.-Y.; Chan, E. W. L.; Diercks, R.; Dosa, P. I.; Haley, M. M.; Matzger, A. J.; Miljanić, O. Š.; Vollhardt, K. P. C.; Bond, A. D.; Teat, S. J.; Stanger, A., Syntheses of syn- and anti-Doublebent [5]Phenylene, Org. Lett. 2004, 6, 2249. 279. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 4th Edition (Japanese translation), Kagaku -Dojin Publishing Co.: Kyoto, 2004.

280. Vollhardt, K. P. C.; Schore, N. E., Traité de Chimie Organique, 4th Edition; de Boeck & Larcier: Brussels, 2004. 281. Dosche, C.; Kumke, M. U.; Löhmannsröben, H.-G. ; Ariese, F.; Bader, A. N.; Gooijer, C.; Miljanić, O. Š.; Iwamoto, M. ; Vollhardt, K. P. C.; Puchta, R.; van Eikema Hommes, N. J. R., Deuteration effects on the vibronic structure of the fluorescence spectra and the internal conversion rates of triangular [4]phenylene, Phys. Chem. Chem. Phys. 2004, 6, 5476. 282. Gandon, V.; Leca, D.; Aechtner, T.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C., Synthesis of Fused Arylboronic Esters via Cobalt(0)-mediated Cycloaddition of Alkynylboronates with α,ω-Diynes, Org. Lett. 2004, 6, 3405. 283. Vollhardt, K. P. C.; Schore, N. E., Química Orgânica. Estrutura e Função (Portuguese Translation), 4th Edition; Bookman: São Paulo, 2004. 284. Iglesias, B.; Cobas, A.; Pérez, D.; Guitián, E.; Vollhardt, K. P. C., Tris(benzocyclobutadieno)triphenylene and Its Lower Biphenylene Homologs by Palladium-Catalyzed Cyclizations of 2,3-Didehydrobiphenylene, Org. Lett. 2004, 6, 3557. 285. Park, Y. K.; Kim, J. H.; Yun, D. S.; Bergman, R. G.; Vollhardt, K. P. C., Intramolecular Double C-H Activation in FvM2(en)4 (Fv = fulvalene; M = Ir, Rh; en = ethylene), J. Kor. Chem. Soc. 2004, 48, 327.

286. Vollhardt, K. P. C.; Schore, N. E., Chimica Organica (Italian translation), 3rd ed.; Zanichelli: Bologna, 2004.

287. Vollhardt, K. P. C.; Schore, N. E., Organska Hemija (Serbian translation; 4th Edition); Data Status: Belgrade, 2004.

288. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry (Korean translation), 4th Edition; Tamgu Dang Publishing Co.: Seoul, 2004.

289. Miljanić, O. Š.; Han, S.; Holmes, D.; Schaller, G. R.; Vollhardt, K. P. C., Hindered Rotation in an “Exploded” Biphenyl, Chem. Commun. 2005, 2606.

290. Vollhardt, K. P. C.; Schore, N. E., Organische Chemie (German translation), 4th Edition, Wiley-VCH: Weinheim, 2005.

291. Gandon, V.; Leboeuf, D.; Amslinger, S.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C., Chemo-, Regio-, and Stereoselective Cobalt-Mediated [2+2+2]Cycloaddition of Alkynyl Boronates to Alkenes. Preparation of a New Class of Diborylated Compounds: 1,3- and 1,4-Diboryl-1,3-cyclohexadienes, Angew. Chem. 2005, 117, 7276; Angew. Chem. Int. Ed. 2005, 44, 7114.

292. Miljanić, O. Š.; Holmes, D.; Vollhardt, K. P. C., 1,3,6,9,12,14,17,20-Octaethynyltetrabenz[a,b,f,j,k,o]-4,5,10,11,15,16,21,22-octadehydro[18]annulene: A Carbon Rich Hydrocarbon, Org. Lett. 2005, 7, 4001.

293. Zhu, B.; Miljanić, O. Š.; Vollhardt, K. P. C.; West, M. J., Synthesis of 2,2’,3,3’-Tetramethyl- and 2,2’,3,3’-Tetra-tert-butylfulvalene: Attractive Platforms for Dinuclear Transition Metal Fragments, as Exemplified by (η5:η5-2,2’,3,3’-t-Bu4C10H4)M2(CO)n (M = Fe, Ru, Os, Mo). First X-ray Crystal Structures of Fulvalene Diiron and Diosmium Complexes, Synthesis 2005, 37, 3373.

294. Miljanić, O. Š.; Vollhardt, K. P. C., [N]Phenylenes: a Novel Class of Cyclohexatrienoid Hydrocarbons, in Carbon-Rich Compounds: From Molecules to Materials, Haley, M. M.; Tykwinski, R. R., Eds.; Wiley-VCH: Weinheim, pp. 140–197, 2006. 295. Gandon, V.; Agenet, N.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C., Cobalt-Mediated Cyclic and Linear 2:1 Cooligomerization of Alkynes with Alkenes: a DFT Study, J. Am. Chem. Soc. 2006, 128, 8509. 296. Yu, Y.; Bond, A.; Leonard, P. W.; Vollhardt, K. P. C.; Whitener, G. D., Syntheses, Structures, and Reactivity of the First Radial Oligocyclopentadienyl Metals: Pentaferrocenylcyclopentadienyl and Congeners, Angew. Chem. 2006, 118, 1826; Angew. Chem. Int. Ed. 2006, 45, 1794. 297. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry (Chinese translation), 4th ed.; Chinese Chemical Press: Beijing, 2006. 298. Yu, Y.; Bond, A.; Leonard, P. W.; Lorenz, U.; Timofeeva, T. V.; Vollhardt, K. P. C.; Whitener, G. D.; Yakovenko, A. A., Hexaferrocenylbenzene, Chem. Commun. 2006, 2572. 299. Mohler, D. L.; Kumaraswamy, S.; Stanger, A.; Vollhardt, K. P. C., 1,2,3,4-Tetraethynylbenzene as a Template for Cobalt-catalyzed Alkyne Cocyclizations: Synthesis of 2,3,8,9-Tetrakis(trimethylsilyl) Angular [3]Phenylene and Bent [5]Phenylene (Benzo[1'',2'':3,4;3'',4'':3',4']dicyclobuta[1,2-b:1',2'b']bisbiphenylene), Synlett 2006, 17, 2981. 300. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry – Structure and Function, 5th ed.; W.H. Freeman & Co.: New York, 2007. 301. Dosche, C.; Mickler, W.; Löhmannsröben, H.-G.; Agenet, N.; Vollhardt, K. P. C.,

Photoinduced electron transfer reactions in [N]phenylenes, J. Photochem. Photobiol. A: Chemistry 2007, 188, 371. 302. Aubert, C.; Betschmann, P.; Eichberg, M. J.; Gandon, V.; Heckrodt, T. J.; Lehmann, J.; Malacria, M.; Masjost, B.; Paredes, E.; Vollhardt, K. P. C.; Whitener, G. D., Cobalt-Mediated [2+2+2] Cycloaddition versus C–H and N–H Activation of Pyridones and Pyrazinones with Alkynes: An Experimental Study, Chem. Eur. J. 2007, 13, 7443. 303. Aubert, C.; Gandon, V.; Geny, A.; Heckrodt, T. J.; Malacria, M.; Paredes, E.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2] Cycloaddition versus C–H and N–H Activation of 2-Pyridones and Pyrazinones with Alkynes: A Theoretical Study, Chem. Eur. J. 2007, 13, 7466. 304. Geny, A.; Lebœuf, D.; Rouquié, G.; Vollhardt, K. P. C.; Malacria, M.; Gandon, V.; Aubert, C., Cobalt(I)-Mediated Preparations of Polyborylated Cyclohexadienes: Scope, Limitations, and Mechanistic Insight, Chem. Eur. J. 2007, 13, 5408. 305. Agenet, N.; Gandon, V.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C., Cobalt-Catalyzed Cyclotrimerization of Alkynes: The Answer to the Puzzle of Parallel Reaction Pathways, J. Am. Chem. Soc. 2007, 129, 8860. 306. Inventor(s): Iyer, Vivekanantan S.; Vollhardt, K. Peter C., Patent, File Date: September 30, 2002, Application No.: 10/261,366, Issue Date: August 28, 2007, Patent No.: 7,261,871, Title: Fabrication of Carbon Nanotube Films from Alkyne-Transition Metal Complexes. 307. Eichberg, M. J.; Houk, K. N.; Lehmann, J.; Leonard, P. W.; Märker, A.; Norton, J. E.; Sawicka, D.; Vollhardt, K. P. C.; Whitener, G. D.; Wolff, S., The Thermal Retro[2+2+2]cycloaddition of Cyclohexane Activated by Triscyclobutenannelation: Concerted All-disrotatory versus Stepwise Conrotatory Pathways to Fused [12]Annulenes, Angew. Chem. 2007, 119, 7018; Angew. Chem. Int. Ed. 2007, 46, 6894.

308. Vollhardt, K. P. C.; Jain, A., Organic Chemistry & Workbook, W.H. Freeman & Co.: New York, 2007. 309. Gandon, V.; Aubert, C.; Malacria, M.; Vollhardt, K. P. C., Cobalt-mediated Regio- and Stereoselective Assembly of Dienamides by Hydroaminative Alkyne Coupling of α,ω-Diynes, Chem. Commun. 2008, 1599. 310. Castro, C.; Karney, W. L.; Noey, E.; Vollhardt, K. P. C., Competing Isomerizations of [12]Annulenes: Diels-Alder Reaction versus Electrocyclization, Org. Lett. 2008, 10, 1287. 311. Amslinger, S.; Aubert, C.; Gandon, V.; Malacria, M.; Paredes, E.; Vollhardt, K. P. C., Cobalt-Mediated [2+2+2] Cycloaddition of Alkynyl Boronates to Indole and Pyrrole Double Bonds, Synlett 2008, 19, 2056. 312. Vollhardt, K. P. C.; Schore, N. E., Química Orgánica (Spanish translation), 5th edition, Ediciones Omega: Barcelona, 2008. 313. Vollhardt, K. P. C.; Schore, N. E., Kimika Organikoa. Egitura eta funtzioa (Basque Translation), 4th Edition; Euskal Herriko Unibertsitateko Argitalpen Zerbitzua, Bilbao, 2008. 314. Gandon, V.; Agenet, N.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C., Silicon–Hydrogen Bond Activation and Hydrosilylation of Alkenes Mediated by CpCo Complexes: A Theoretical Study, J. Am. Chem. Soc. 2009, 131, 3007. 315. Dosa, P. I.; Gu, Z.; Hager, D.; Karney, W. L.; Vollhardt, K. P. C., Flash-vacuum-pyrolytic reorganization of angular [4]phenylene, Chem. Commun. 2009, 1967. 316. Vollhardt, K. P. C.; Schore, N. E., Traité de Chimie Organique, 5th Edition; de Boeck & Larcier: Brussels, 2009. 317. Albright, T. A.; Dosa, P. I.; Grossmann, T. N.; Khrustalev, V. N.; Oloba, O. A.; Padilla, R.; Paubelle, R.; Stanger, A.; Timofeeva, T. V.; Vollhardt, K. P. C., Photo-Thermal Haptotropism in Cyclopentadienylcobalt Complexes of Linear Phenylenes: Intercyclobutadiene Metal Migration, Angew. Chem. 2009, 121, 10037; Angew. Chem. Int. Ed. 2009, 48, 9853. 318. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry – Structure and Function, 6th ed.; W.H. Freeman & Co.: New York, 2010. 319. Vollhardt, K. P. C.; Segalman, R. A.; Majumdar, A.; Meier, S., Systems and Methods for Solar Energy Storage, Transportation, and Conversion, PCT Int. Appl. (2010), 49 pp. International: H01L31/042; H01L31/042, Application number: WO2009US50418; U.S. Patent Application Ser. No: 13/002,645, Patent No.: 8950392; Date Issued: 10-Feb-2015. 320. Lebœuf, D.; Iannazzo, L.; Geny, A.; Malacria, M.; Vollhardt, K. P. C.; Aubert, C.; Gandon, V., Cobalt-Mediated Linear 2:1 Cooligomerization of Alkynes with Enol Ethers to Give 1-Alkoxy-1,3,5-Trienes: A Missing Mode of Reactivity, Chem. Eur. J. 2010, 16, 8904. 321. Kanai, Y.; Srinivasan, V.; Meier, S. K.; Vollhardt, K. P. C.; Grossman, J. C., Mechanism of Thermal Reversal of the (Fulvalene)tetracarbonyldiruthenium Photoisomerization: Toward Molecular Solar-Thermal Energy Storage, Angew. Chem. 2010, 122, 9110; Angew. Chem. Int. Ed. 2010, 49, 8926. 322. Calladine, J. A.; Torres, O.; Anstey, M.; Ball, G. E.; Bergman, R. G.; Curley, J.; Duckett, S. B.; George, M. W.; Lawes, D. J.; Perutz, R. N.; Sun, X.-Z.; Vollhardt, K. P. C., Photoinduced N2 Loss as a Route to Long-Lived Organometallic Alkane Complexes: A Time-Resolved IR and NMR Study, Chem. Sci. 2010, 1, 622.

323. Aubert, C.; Gandon, V.; Han, S.; Johnson, B. M.; Malacria, M; Schömenauer, S.; Vollhardt, K. P. C.; Whitener, G. D., Cyclopentadienylcobalt-Mediated Intermolecular Cycloaddition of α,ω-Diynes to (Cyclo)alkenes: Synthesis of Linearly Fused Oligocycles and Extension to Enantiomerically Pure (6aR,10aR)-Dihydroanthracyclinones, Synthesis 2010, 42, 2179. 324. Eichberg, M. J.; Kayser, B.; Leonard, P. W.; Miljanić, O. Š.; Timofeeva, T. V.; Vollhardt, K. P. C.; Whitener, G. D.; Yakovenko, A.; Yu, Y., Radial (Tetracyclopentadienyl)cyclobutadiene Pentametals, Inorg. Chim. Acta 2011, 369, 32. 325. Engelhardt, V.; Garcia, J. G.; Hubaud, A. A., Lyssenko, K. A.; Spyroudis, S.; Timofeeva, T. V.; Tongwa, P.; Vollhardt, K. P. C., The Cobalt-Way to Heterophenylenes: Syntheses of 2-Thianorbiphenylenes, Monoazabiphenylenes, and Linear 1-Aza[3]phenylene (Biphenyleno[2,3-a]cyclobuta[1,2-b]pyridine), Synlett 2011, 22, 280. 326. Cho, J.; Berbil-Bautista, L.; Pechenezhskiy, I. V.; Levy, N.; Meier, S. K.; Srinivasan, V.; Kanai, Y.; Grossman, J. C.; Vollhardt, K. P. C.; Crommie, M. F., Single-molecule-resolved structural changes induced by temperature and light in surface-bound organometallic molecules designed for energy storage, ACSNano 2011, 5, 3701. 327. Vollhardt, K. P. C., Author Profile, Angew. Chem. 2011, 123, 34; Angew. Chem. Int. Ed. 2011, 50, 34. 328. González Gómez, J. A.; Green, J.; Vollhardt, K. P. C., Synthesis of “Spacer”-Naproxen [2-(6-Methoxybiphenylen-2-yl)propanoic acid] and -Isonaproxen [2-(7-Methoxybiphenylen-2-yl)propanoic acid], Synlett 2011, 22, 805. 329. Iannazzo, L.; Vollhardt, K. P. C.; Malacria, M.; Aubert, C.; Gandon, V., Alkynylboronates and -Boramides in Co(I)- and Rh(I)-Catalyzed [2+2+2] Cycloadditions: Construction of Oligoaryls by Selective Suzuki Couplings, Eur. J. Org. Chem. 2011, 3283. 330. Balaban, A. T.; Vollhardt, K. P. C., Heliphenes and related structures, Open Org. Chem. J., 2011, 5 (Suppl 1-M8), 117. 331. Vollhardt, K. P. C.; Schore, N. E., Organik Kimya, 6th Edition; Palme Yayincilik: Ankara, 2011. 332. Gu, Z.; Boursalian, G. B.; Gandon, V.; Padilla, R.; Shen, H.; Timofeeva, T. V.; Tongwa, P.; Vollhardt, K. P. C.; Yakovenko, A. A., Activated Phenacenes from Phenylenes by Nickel-Catalyzed Alkyne Cycloadditions, Angew. Chem. 2011, 123, 9585; Angew. Chem. Int. Ed. 2011, 50, 9413. 333. Albright, T. A.; Oldenhoff, S.; Oloba, O. A.; Padilla R.; Vollhardt, K. P. C., Reversible intercyclobutadiene haptotropism in cyclopentadienylcobalt linear [4]phenylene, Chem. Commun. 2011, 47, 9039. 334. Vollhardt, K. P. C.; Schore, N. E., الي شيمي (Farsi Translation), Organic Chemistry, 5th Edition; Nopardazan: Tehran, 2011. 335. Vollhardt, K. P. C.; Schore, N. E., Organische Chemie (German translation), 5th Edition, Wiley-VCH: Weinheim, 2011. 336. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 6th Edition (Japanese translation), Kagaku-Dojin Publishing Co.: Kyoto, 2011.

337. Vollhardt, K. P. C.; Schore, N. E., Organic Chemistry, 6th Edition (Korean translation), Freedom Academy Pub. Co., Paju-Bookcity, South Korea, 2011. 338. Shen, H.; Vollhardt, K. P. C., Remarkable Switch in the Regiochemistry of the Iodination of Anilines by N-Iodosuccinimide: Synthesis of 1,2-Dichloro-3,4-diiodobenzene, Synlett 2012, 23, 208. 339. Windler, G. K.; Zhang, M.-X.; Zitterbart, R.; Pagoria, P. F.; Vollhardt, K. P. C., En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl, Chem. Eur. J. 2012, 18, 6588. 340. Harpham, M. R.; Nguyen, S. C.; Hou, Z.; Grossman, J. C.; Harris, C. B.; Mara, M. W.; Stickrath, A. B.; Kanai, Y.; Kolpak, A. M.; Lee, D.; Liu, D.-J.; Lomont, J. P.; Moth-Poulsen, K.; Vinokurov, N.; Chen, L. X.; Vollhardt, K. P. C., X-ray Transient Absorption and Picosecond IR Spectroscopy of Fulvalene(tetracarbonyl)diruthenium on Photoexcitation, Angew. Chem. 2012, 124, 7812; Angew. Chem. Int. Ed. 2012, 51, 7692. 341. Moth-Poulsen, K.; Ćoso, D.; Börjesson, K.; Vinokurov, N.; Meier, S. K.; Majumdar, A.; Vollhardt, K. P. C.; Segalman, R. A., Molecular Solar Thermal (MOST) Energy Storage and Release System, Energy Environ. Sci. 2012, 5, 8534. 342. Vollhardt, K. P. C.; Schore, N. E., Οργανική Χημεία (Greek Translation, Part A), 6th Edition; Kyriakidis Brothers Publishing: Thessaloniki, 2012. 343. Hou, Z.; Nguyen, S. C.; Lomont, J. P.; Harris, C. B.; Vinokurov, N.; Vollhardt, K. P. C., Switching from Ru to Fe: picosecond IR spectroscopic interrogation of the potential of the (fulvalene)tetracarbonyldiiron fr ame for molecular solar-thermal storage, Phys. Chem. Chem. Phys. 2013, 15, 7466. 344. Gu, Z.; Vollhardt K. P. C., Phenylated Benzotetraphenes (Dibenzanthracenes) by Nickel-Catalyzed Diphenylacetylene Cycloadditions to Linear [3]Phenylenes, Synthesis 2013, 45, 2469.

345. Vollhardt, K. P. C.; Schore, N. E., Química Orgânica. Estrutura e Função (Portuguese Translation), 6th Edition; Bookman: São Paulo, 2013.

346. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry – Structure and Function, 7th ed.; W.H. Freeman & Co.: New York, 2014.

347. Windler, G. K.; Pagoria, P. F.; Vollhardt, K. P. C., Nitroalkynes: A Unique Class of Energetic Materials, Synthesis 2014, 46, 2383.

348. Börjesson, K.; Ćoso, D.; Gray, V.; Grossman, J. C.; Guan, J.; Harris, C. B.; Hertkorn, N.; Hou, Z.; Kanai, Y.; Lee, D.; Lomont, J. P.; Majumdar, A.; Meier, S. K.; Moth-Poulsen, K.; Myrabo, R. L.; Nguyen, S. C.; Segalman, R. A.; Srinivasan, V.; Tolman, W. B.; Vinokurov, N.; Vollhardt, K. P. C.; Weidman, T. W., Exploring the Potential of Fulvalenedimetals as Platforms for Photo-Thermal Storage: Computations, Syntheses, Structures, Kinetics, and Catalysis, Chem. Eur. J. 2014, 20, 15587.

349. Fonari, A.; Röder, J. C.; Shen, H.; Timofeeva, T. V.; Vollhardt, K. P. C., Toward Antikekulene: Angular 1,2-Di-, 2,3-Di-, and 1,2,15,16-Tetrachloro[6]phenylene, Synlett 2014, 25, 2429.

350. Albright, T. A.; Drissi, R.; Gandon, V.; Oldenhof, S.; Oloba-Whenu, O. A.; Padilla, R.; Shen, H.; Vollhardt, K. P. C.; V. Vreeken, A Terminal, Fluxional η4-Benzene Complex with a

Thermally Accessible Triplet State is the Primary Photoproduct in the Intercyclobutadiene Haptotropism of (CpCo)phenylenes, Chem. Eur. J. 2015, 21, 4546.

351. Holmes, D.; Lee, S. Y.; Lotz, S. D.; Nguyen, S. C.; Schaller, G.; Schmidt-Radde, R. H.; Vollhardt K. P. C., (η6-[7]Heliphene)tricarbonylchromium via an Optimized Preparation of [7]Heliphene, Synthesis 2015, 47, 2038.

352. Eichberg, M. J.; Leca, D.; Vollhardt K. P. C., Cobalt-Mediated Reactions of Oxazoles and Thiazoles with Alkynes, Synthesis 2015, 47, 3412.

353. Vollhardt, K. P. C.; Schore, N. E., Traité de Chimie Organique (French Translation), 6th Edition; de Boeck Superieur: Louvain-la-Neuve, 2015. 354. Cho, J.; Pechenezhskiy, I. V.; Berbil-Bautista, L.; Meier, S. K.; Vollhardt, K. P. C.; Crommie, M. F., Imaging Structural Transitions in Organometallic Molecules on Ag(100) for Solar Thermal Energy Storage, J. Korean Phys. Soc. 2017, 70, 586. 355. Vollhardt, K. P. C.; Schore, N. E., Οργανική Χημεία (Greek Translation, Part B), 7th Edition; Kyriakidis Brothers Publishing: Thessaloniki, 2017. 356. Godlewski, S.; Engelund, M.; Peña, D.; Zuzak, R.; Kawai, H.;Kolmer, M.; Caeiro,J.; Guitián,E.; Vollhardt, K. P. C.; Sanchez-Portal, D.; Szymoński, M.; Pérez, D., Site-selective reversible Diels-Alder reaction between a biphenylene-based polyarene and a semiconductor surface, Phys. Chem. Chem. Phys. 2018, 20, 11037.

357. Aechtner, T.; Barry, D. A.; David, E.; Ghellamallah, C.; Harvey, D. F.; de la Houpliere, A.; Knopp, M.; Malaska, M. J.; Pérez, D.; Schärer, K. A.; Siesel, B. A.; Vollhardt, K. P. C.; Zitterbart, R., Cobalt-Mediated [2+2+2] Cycloadditions of Alkynes to Benzo[b]furans and -Thiophenes: A Potential Route Toward Morphanoids, Synthesis 2018, 50, 1053.

358. Vollhardt, K. P. C.; Schore, N. E. Organic Chemistry – Structure and Function, 8th ed.; W.H. Freeman & Co.: New York, 2018.

359. Baumgartner, J.; Bergman, R. G.; Kayser, B.; Klupinski, T. P.; Park, Y. K.; Vollhardt, K. P. C.; West, M. J.; Zhu, B., The Quest for Double Vicinal C–H Bond Activation on the (η5:η5-Fulvalene)diiridium Platform: Syntheses and Structures of (η5:η5-Fulvalene)Ir2(ortho-μ-C6H4)(CO)2

(Ir–Ir) and Related Complexes, Synthesis 2019, 51, 2409.

360. Chang, C.-A.; Gürtzgen, S.; Johnson, E. P.; Vollhardt, K. P. C., Stoichiometric and Catalytic (η5-Cyclopentadienyl)cobalt-Mediated Cycloisomerizations of Ene-Yne-Ene Type Allyl Propargyl Ethers, Synthesis 2019, 51, 399.

361. Dahlmann, U.; Vollhardt, K. P. C., Oligoether Substituted Derivatives of Carbon Rich 1,4,7,10,13,16-Hexaethynyltribenzo[a,e,i]cyclododeca-3,7,11-triyne (C36H12) and 1,4,9,12-Tetrakis(ethynyl)dibenzo[a,g]cyclododeca-5,7,13,15-tetrayne (C28H8): Potential Precursors to the Circular [6]Phenylene (“Antikekulene”) Frame, Synthesis 2020, 52, xxx.