Band 31b Zeitschrift für Naturforschung 1976

Contents

Contents of Number 1

Original Communications H.-D. Amberger, R. D. Fischer, and G. G. Rosenbauer, The Electronic Structure of Highly-Symmetrical Lanthanide and Actinide Com-plexes, I. Magnetism and Vibrational Spectra of Tris(tetraethylammonium)-hexaisocyanate-ytterbium(III) : . . . . 1 H.-D. Amberger, R. D. Fischer, and B. Kanella-kopulos, The Electronic Structure of Organo-metallic Complexes Involving f-Electrons, II. Magnetic Susceptibility and Crystal Field Split-ting of Uranium(IV)-tetracyclopentadienide . . 12 R. G. Vijay and J. P. Tandon, Schiff Base Com-plexes of Dioxouranium(VI), II. Dioxouranium-(VI) Complexes of the Schiff Bases of o-Hydroxy Acetophenone, 2,4-Pentandione and Salicyl-aldehyde 22 K. Deller and B. Eisenmann, On the Inter-metallic Compounds CanSbio and CanBiio. . . 29 M. Herberhold, G. O. Wiedersatz, and C. G. Kreiter, *H and 13C NMR Spectra of Methoxy -substituted Ethylenes 35 D. W. Wabner, H. P. Fritz, D. Missol, R. Huss, and F. Hindelang, Leaddioxide Electrodes for Electrosynthesis, I. Deposition of /S-Leaddioxide on Titanium 39 D. W. Wabner, R. Huss, F. Hindelang, H. P. Fritz, and D. Missol, Lead Dioxide Electrodes for Electrosynthesis, II. Pretreatment of Tita-nium for the Deposition of Lead Dioxide . . . 45 S. Lal, Polarographic Study of the Streaming Maximum of Nitrobenzene in Mcllvaine Buffer 51 R. Haegele, D. Babel, and D. Reinen, Prepara-tive and Spectroscopic Investigations on the Di-morphy of CsNiF3 60 D. Mohr, H. Wienand, and M. L. Ziegler, Synthe-sis and Characterization of Sulfinato Complexes .-t-C7H7M0(C0)2S02R (R = -C6H5, -C6H4CH3) and of Mono- and DinuclearThioaryl Compounds of Composition .-r-CvHyMofCO^SR' resp. [n-C7H7Mo(CO)SR']2 (R' = -S-C6H5, -S-C6H4CH3, -S-C6H5 , -S-C6H4N02) 66 H.-H. Perkampus and E. Schönberger, Investi-gations about the Interaction of Aromatic Com-pounds with Antimonytrichloride, IV. Electron-spectroscopical Investigation about the Colour of the Aromatics • 2 SbCl3 Complexes 73 P. Sartori, R. H. Hochleitner, and G. Hagele, On the Reactions of Diphenylchlorophosphine with Perfluoroalkyl Carboxy lie Acids 76 D. Weber, G. Heckmann, and E. Fluck, Reaction 0fP[P(0)(0C2H5)2]3 with Amines. Preparation of [(C2H50)2(0)P-P-P(0K0C2H5)2][H2NR2] . . . 81 W. Haase, R. Mergehenn, and W. Krell, The Crystal Structure of Thiocyanato(2-dimethyl-aminoethanalato)copper (II) 85 H. Schumann and W.-W. du Mont, Organometal-phosphine Substituted Transition Metal Com-plexes, X X I I . Synthesis and Coordinating Behaviour of Dimethylstannandiylbis(di-<er£-butylphosphine) 90

95

99

O. S. Wolfbeis and H. Junek, On the Relation Structure-reactivity at the Condensation bet-ween CH-Acidic Methylenes and Triethylortho-formate H. Möhrle, Chr. Ivamper, and R. Feil, Compari-son between the Amino and the Hydroxy Neigh-bour Group in Dehydrogenation Reactions . . N. L. Agarwall and R. L. Mital, Angular Hetero-cycles. The Reaction of N-(3-Chloro-l,4-dihydro-I,4-dioxo-2-naphthyl)acetamide with Isoelectric Bifunctional Aromatic Amines 106 A. F. A. Shalaby, H. A. Daboun, and M. A. Abdel Aziz, Reactions with 2-Thiohydantoin, Synthesis of Imidazothiazolone Derivatives and Mannich Bases of 5-Arvlidene-2-thiohydantoin . I l l N. H. Pirzada, P. M. Pojer, and L. A. Summers, Chemical Constitution and Activity of Bipyridy-lium Herbicides, X . 3-Substituted-6,7-dihydro-dipyrido[l,2-ot :2',l'-c]-pyrazinediium Dibromi-des and Related Compounds 115 N. H. Pirzada and L. A. Summers, Chemical Constitution and Activity of Bipyridylium Herbicides, XI . A Diquaternary Salt of 2,2'-Oxy-dipyridine 122 O. Soga, Isolation of Flaviolin from the Potato Culture Solution of Phoma wasabiae Yokogi . . R. Kreher and G. Jäger, Sulfonylation and Amination Reactions of Sulfonic Azides . . . . R. Kreher and K. Goth, Reactions of l-Phenyl-3-alkoxycarbonyl-triazenes with Lewis Acids in Benzene

124

126

131

Notes E. Schwarzmann, J. Mohn, and H. Rumpel, On Single Crystal? of Gold Oxide Au203 135 M. Schmidt and E. Weissflog, The Reactions of Metallated Cyclothioalkanes and Thioalkanes with Carbon Dioxide, Sulfur Dioxide and Carbon Disulfide 136 M. S. Kelkar, R. Shanker, and G. V. Bakore, Mechanistic Implication of "LFER" in the Oxi-dation of Acetophenones by Vanadium(V) . . . 140 O. J. Scherer and G. Schnabl, l,3-Di(<er<-butvl)-2,4-dichlorodiazaphosphaarsetidine 142 A. Mewis, The Phase Mg2,5Niii,5P7 144

Contents of Number 2

Original Communications P. K. Burkert and F. M. Hutter, Spectroscopic Investigations in the Solid State Chemistry, X . Re-NQR Investigations on TlRe04 and LiRe04 • 2 HoO 145 P. K. Burkert, D. Koth, and H. Schmidbaur, Temperature Dependence of Re-NQR Spectra of (H3C)3SiRe04 and (H3C)3GeRe04 149 W. Althoff, M. Fild, and H.-P. Rieck, NMR Spectroscopic Investigations of Methylene-bridged Carbonyl, Phosphonyl and Sulfonyl Compounds 153 J. B. Clark and K.-J. Range, Crystal Structures of the High Pressure Phases ZnAs and CdAs. . 158

IV Contents

R. Blachnik and J. E. Alberts, Silver Halide-Silver Chalcogenide Systems, II. Densities of Liquid Silver Halide-Silver Chalcogenide Mix-tures 163 H. Inoue, E. Fluck, and S. Yanagisawa, Chemical Bonding in Prussian Blue Analogs of the Type Fe[MB(CN)6] 167 E. Fluck and W. Kazenwadel, On the Reaction of Phosphoryl Acetylenes with Phosphanes . . 172 B. F. Becker and H. P. Fritz, Electrochemical Syntheses, V. The Anodic a-Hydroxylation of Isobutyraldehyde 175 S. Elbel and H. tom Dieck, Photoelectron Spectra of Group V Compounds, III. Methylhalogen Compounds MeEHal2 and Me2EHal 178 W. J. Rühl and F. Kober, Reaction of Tris-[dimethylamino]-arsine with Arsinous Acid Diol-esters, and Unusual Synthesis of Arsolanes . . 190 K. D. Buse, H. J. Keller, and D. Nöthe, Pt(NH3)2(SCN)2I: A Mixed Valence Platinum Compound 194 H. Guntner and K. E. Schwarzhans, Transition Metal Complexes of Amino Acids and Dipeptides 198 W. Siebert, R. Full, C. Krueger, and Yi-H. Tsay, Diboryl Compounds as Ligands in Metal Com-plexes, III. Synthesis and Structure of Bis(2,5-dimethyl-3,4 - diethvl -1,2,5 - thiadiborolene) -nickel(0) . . . . " 203 R. Weissgerber and K.-E. Schwarzhans, Nitroxyl Radical Metal Complexes 208 R. Kreher and K. Goth, Reactions of l-Aryl-3-alkyl-triazenes with Lewis Acids in Benzene . . 217 R. Kreher and U. Bergmann, Phenylogous Azido-diazonium Tetrafluoroborates 222 M. Dizdaroglu, K. Neuwald, and C. v. Sonntag, Radiation Chemistry of DNA Model Compounds, IX . Carbohydrate Products in the y-Radiolysis of Thymidine in Aqueous Solution. The Radical-Induced Scission of the N-Glycosidic Bond . . 227 F. Böberg and R. Voss, On Labelled Compounds, X X I I . 1,2,3,3 -Tetrachloro - (1,3 - 14C) -1 -propene with Unsymmetrical Distribution of 14C . . . . 234 F. Böberg and F. Hanisch, On Labelled Com-pounds, XXIII . Kinetics of the Chlorine Ex-change between Antimony (III)-chloride and Hexachloropropene 238 E. v. Goldammer and H. Zorn, Binding and Kinetics of 1-Methylimidazo] on Fe(III)-Proto-porphyrin(IX)dimethylester and Fe(III)-Tetra-phenylporphyrin in Chloroform 242 O. Adler and F. Kober, Reaction of 2-Dimethyl-amino-3-methyl-[l,3,2]oxazarsolan with Acid Molecules 246 G. Entenmann, Investigations on Thiazoles, V. Thiazolo-[3,2-a]-pyrimidones from 2-Aminothia-zole-3-oxides and Esters of Acetylenedicarboxylic Acid 251 M. I. Ali, A.-E. M. Abd-Elfattah, and H. A. Hammouda, Reactions with 2-Acylbenzimida-zole. Preparation of 2-Cinnamoylbenzimidazoles, their Reactions towards Grignard Reagents and Thiourea 254 K. Praefcke, H. Schwarz, and Ch. Weichsel, Spectroscopic Investigations, X . Electron-impact Induced SO- and C02-Elimination from N.N-Dimethyl-C-arylsulfonylformamides 257 N. L. Agarwal and R. L. Mital, Proton Magnetic Resonance Spectra of Some Substituted 2-Acyl-amino-3-ar3rlamino-l,4-naphthoquinones . . . 261

A. Rahman, N. Waheed, and M. Ghazala, Syn-thetic Studies towards Vinblastine and its Analogues, VI. The Markownikov Addition of Acetic Acid to Catharanthine by a Modification of the Pievost Reaction 264 H. Wagner and G. Demuth, Investigations of the Anthra-glycosides from Rhamnus species, IV. The Structure of the Cascarosides from Rhamnus purshianus DC 267

Notes D. Rehder, Substitution of CO for CN - in Cyclo-pentadienyl Carbonyl Vanadium Compounds . 273 J. B. Clark and K.-J. Range, Quenchable High Pressure Phases of DyYbS3 275 H. Tiltscher and R. Lohmüller, High Pressure Reactions, I. Evidence for Two Concurrent Mechanisms in Lewis-Acid Catalyzed Alkylation of Aromatics with Olefins 277 A. Kirfel, G. Will, R. Tschesche, and H. Wilhelm, The Crystal Structure of Mauritine-A 279 L. Rösch, W. Erb, and H. Müller, Evidence for the Existence of Trimethylsilylmagnesium Com-pounds 281 K.-H. Kubeczka, F. v. Massow, V. Formacek, and M. A. R. Smith, A New Type of Phenyl propane from the Essential Fruit Oil of Pimpi-nella anisum L 283 S. Pietra and M. Finetti, Electrical Conduction in Thiantrene 285 A. Rahman and N. Waheed, Reduction of Indolic Imides with Sodium Borohydride . . . 287

Contents of Number 3

Original Communications J. C. Huffman, H. Fusstetter, and H. Nöth, Contributions to the Chemistry of Boron, L X X V . The Crystal and Molecular Structure of a Tetra-azadiborine : 3,6 -Bis(dimethy lamino) -1,2,4,5-tetramethyl-l,2,4,5,3,6-tetraazadiborine . . . . 289 G. Hoch, R. Panter, and M. L. Ziegler, Synthesis and Characterization of Halides and Pseudo-halides of the Type 7r-C7H7-M(CO)2X (M = Mo, W ; X = Br-, Ch, NCO~, NCS -, N3") 294 R. Ch. Paul, O. B. Baidya, and R. Kapoor, Zirconium and Oxozirconium(IV) Formates . . 300 O. Adler and F. Kober, Transamination of 2-Dimethylamino-[l,3,2]oxathiarsolane 304 W. J. Rühl and F. Kober, Reaction of Amino-arsines with Tri- and Tetrafunctional Alcoholes 307 K.-J. Range and R. Leeb, Preparation and Crystal Structure of the High Pressure Phase Tm2S3-II 311 H.-U. Kreusler, G. Wiese, and W. Stüwe, In-vestigations on a Blue Solution of Molybdenum-(Vl)-oxide in Sulfuric Acid 315 H. Brunner and R. Gruehn, Synthesis and Struc-ture of a New Polymorph of FeNb04 318 H.-G. Biedermann, K. Öfele, and J. Tajtelbaum, Transition-metal rr-Complexes with Unsaturated and Aromatic Heterocycles, IV. ^-Complexes of Methylsubstituted Pyridines with Chromium(O) 321 E. Hohaus and W. Riepe, Mass Spectrometric Investigation of Boron Chelates, HI. Mass Spectrometric Fragmentation of Fluoroboron and Phenylboron Chelates 324

MCXCI Contents

Lj. Tusek, H. Meider-Gorican, and P. R. Danesi, Alkali and Alkaline Earth Perchlorate and Picrate Complexes with Some Macrocyclic Poly-ethers 330 F. F. Seelig, System-theoretical Investigation of Possible Hysteresis Effects in the Hydroformyla-tion Process 336 V. Bätzel, X-ray Structure Analysis of (CO)9Co3COBBr2N(C2H5)3 342 A. T. Jeffries and C. Pärkänyi. Photodebromina-tion of Bromothiophenes 345 F. Böberg and F. Hanisch, On Labelled Com-pounds, X X I V . Chlorine Exchange Antimony-(IH)-chloride Hexachloropropene in Systems with Electron Donors 348 A. Okruszek and W. J. Stec, The Axial Prefer-ence of Fluorine Atom in 2-Fluoro-4-methyl-1,3,2-dioxaphosphorinanyl Ring System . . . 354 S. Yamashita, M. Yoshida, and G. Tomita, Photo-ionization of Indole in Alkaline Aqueous Solu-tions at 77 °K 361 E. Müller, E. Luppold, and W. Winter, Contribu-tion to the Chemistry of Tellurophene . . . . 367 G. Zacharias and H. Junek, Syntheses with Nitriles, XLII . Cyclisations of Azalogous En-aminoketones with Malononitrile to Condensed Pvridazines 371 N. A. E. Kassab, S. O. Abdallah, H. A. R. Ead, and D. Zaki, Some New Tetrahydrothiopyrano-[2,3-d]thiazole-2-thione Derivatives and their Biological Activities 376 N. A. E. Kassab, S. O. A. Alia, and H. A. R. Ead, Reactions with 2-Phenylhydrazono-4-thiazolid-inone and its Derivatives 380

Notes H. Jacobs and E. v. Osten, The Crystal Structure of a New Modification of Potassium Amide, KNH2 385 W. Strohmeier and L. Weigelt, Homogeneous Catalytic Hydrogenation of Unsaturated Com-pounds with H2PtCl6 + SnCl2 • 2 H 2 0 in iso-Propanol 387 W. Strohmeier and M. Pföhler, Homogeneous and Heterogeneous Catalytic Hydrogenation of Unsaturated Compounds with H2PtClß + SnCl2 • 2 H 2 0 in Acetic Acid 390 W. J. Stec, R. Kinas, and A. Okruszek, Configura-tional Assignments to 2-X-2-Y-4-methyl-l,3,2-dioxaphosphorinans 393 W. G. Filby and W. H. Kalus, Electron-radiolysis of Dipheny lpicrylhydrazyl in Tetranitromethane. Evidence for a Free Radical Nitration Process . 396 W. Lange, The Synthesis of Naphthacenequino-nes from Diels-Alder Adducts of p-Benzoquinone 388 K. S. Suresh and R. K. Malkani, Synthesis of Some cy,o/-Bis(diguanido-oxy) Alkanes . . . . 400

Contents of Number 4

Original Communications H. Pritzkow, The Crystal Structure of Two Modifications of Bis(l,2-benzoquinonedioxima-to)-platinum Iodide 401 B. Grande and Hk. Müller-Buschbaum, On Oxo-cuprate, XIY. On the Crvstal Chemistry of Sr2Cu304Cl2 " " . . 405

C. Hadenfeldt, Preparation and Properties of Ca2AsBr, Sr2AsCl, and Ca3AsBr3 408 H. H. Eysel and D. Nöthe, Sulfur Radical Ions S3~ in Sodiumtetrasulfide at Elevated Temperatures 411 H. H. Eysel, G. Wieghardt, H. Kleinschmager, and G. Weddigen, Raman and IR Spectra of Solid Alkalimetalpolysulfides 415 E. Fluck, M. Lang, F. Horn, E. Hädicke, and G. M. Sheldrick, Potassium closo Tetra-decanitrogen Dodecathio Dodecaphosphate(O-), K6[P12Si2N14] 419 H.-W. Frühauf and E. A. Koerner v. Gustorf, Electron Transfer Reactions, I. Product Analyses of One-Electron Oxidations of Olefins by Ferriin or Lead Dioxide in Aqueous and Methanolic Solutions 427 W. Kuchen and H. Keck, On Organophosphorus Compounds, XVI . Vinyl-aryldithiophosphinic Acids and Some of their Derivatives 437 W. Kuchen and H. Keck, Metal Complexes of Phosphinic Acids, XI . Metal Vinylaryldithio-phosphinates and Polymer Complexes of Poly-functional Dithiophosphinic Acids 442 H. Guntner and K. E. Schwarzhans, Preparation and Oxidation Reactions of Manganese (II) Com-plexes with L-Cysteine and Dipeptides as Li-gands 448 P. Feldhaus, R. Ratka, H. Schmid, and M. L. Ziegler, Reaction of 1,4-Dienes with Metal Com-plexes, I. Synthesis and X-ray Structure Deter-mination of a Ji-enyl Complex of Composition (C8Hi3PdCl)2 455 W. G. Filby, K. Günther, and R.-D. Penzhorn, The Mass Spectra of Some Dialkylthiosulfonates 463 Cr. I. Simionescu, S. Dimitriu, and V. I. Popa, The Mechanism and Kinetics of Methane-Water Mixture Decomposition in Cold Plasma . . . . 466 O. Adler and F. Kober, *H NMR Spectroscopic Analysis of 2-Diphenylamino-[l,3,2]oxathiaarso-lane 472 H.-H. Perkampus and E. Schönberger, Investiga-tions about the Interaction of Aromatic Com-pounds with Antimonychloride, III. Melting Diagrams of Binary Systems 475 F. Böberg and R. Voss, On Labelled Compounds, X X V . Chlorine Exchange between 1,2,3,3-Tetra-chloro-l-propene and Antimony(Ill)-chloride -the 1,2,3-Trichloropropenylium Ion 480 Y. Maeda, T. Harami, Ä. Trautwein, and U. Gonser, Orientation of the EFG Tensor with Respect to the Heme Group of Deoxymyoglobin 487 A. H. Harhash and A. A. A. El-Bannani, A Re-investigation of the Reaction of Salicylidene-aniline with Potassium Cyanide 491 F. S. G. Soliman and Th. Kappe, Syntheses of Heterocycles, 191. Reactions of ß-Aminocrotono-nitrile with Heterocyclic Phenolic Compounds . 495 G. Schindler, D. Furtunopulos, and Th. Kappe, Mesoionic Sixmembered Heterocycles, VI. Re-arrangement Reactions of Heterocycles, IV. Thermal Rearrangement of Mesoionic N-Benzyl-pyrimidines 500 A. K. Mansour, Y . A. Ibrahim, and M. M. Eid, Nucleoside Derivatives of 1,2,4-Triazine. Re-action of Some Derivatives of 1,2,4-Triazine with Tetra-O-acetyl-a-D-glucopyranosyl Bromide . . 505 J. Dusemund and K. Roth, Application of NMR Shift Reagents for Structure Determination of Quinazoline Derivatives 509

VI Contents

O. S. Wolfbeis and E. Ziegler, The Reactivity of the C = N-Double Bond Systems, VII. Syntheses of Condensed Pyronoheterocycles 514

Notes A. Widera, B. Eisenmann, and H. Schäfer, Pre-paration and Crystal Structure of Sr2Si . . . . 520 L. Diehl, K. Khodadadeh, D. Kummer, and J. Strähle, Inorganic Polyhedral Compounds, II. Zintl's "Polyanionic Salts": Synthesis of the Crystalline Compounds [Na4 • 7 en]Sng, [Na4 • 5 en]Geg and [Na3 • 4 en]Sb?. The Crystal Structure of [Na4 • 7 en]Sng 522 P. Bachmann and H. Singer, Cationic Tetra-methylthiophene-cyclopentadienyl-iron(II) . . 525 R. Blachnik and B. Gather, Some New Ternary Gold Chalcogenides 526 H. H. Otto, W. Holzapfel, H. Yersin, and G. Gliemann, Crystal Data of Cs2[Pf (CN)4] • H 2 0 . 528 R. Proetzsch, D. Bieniek, and F. Korte, High Pressure Reactions, XII. Behaviour of Thio-lactones and Selected Sulphur Containing Heterocycles at High Pressures 529 F. Bölsing and E. Spanuth, Triphenylmethyl Radicals by Inverse Stevens Rearrangement . . 531 A. Rahman, S. Firdous, and A. Basha, Reactions of Harmaline and its Derivatives, V. A One-Step Synthesis of Reserpine Analogues 533

Contents of Number 5

Original Communications H. Rieskamp and R. Mattes, Oxofiuoro-oxalato-vanadates(IV): Vibrational Spectrum and Crystal Structure of Na3[V0F(C204)2] • 6 H 2 0 537 H. Rieskamp and R. Mattes, Oxotetrafluoro-vanadates(V): Crystal Structure of [enH2][VOF4 (H20)]2 541 J. Fuchs, S. Mahjour, and R. Palm, Tetraalkyl-ammoniumpolyvanadates 544 H. Brunner, R. Gruehn, and W. Mertin, Contri-butions to the Study of Inorganic Non-Stoichio-metric Compounds, V. Preparation and Electron Optical Investigation of FeNbn029, FeNb29074 and TiNbi4037 549 M. Weishaupt and J. Strähle, Crystal Structure and Vibrational Spectrum of Tetraamminegold-(III)-Nitrate 554 M. Baudler, B. Carlsohn, W. Böhm, and G. Reuschenbach, Contributions to the Chemistry of Phosphorus, 62. About the Question of 31P NMR Spectroscopic Detection of Monomeric and Dimeric Phenyl Phosphorus and the Ring Size of Organylcyclophosphanes 558 H. J. Keller and R. Lorentz, Characterization of Tetrakis(isonitrile)platinum(II)-tetrachloro-platinates(II), [Pt(CNR)4][PtCl4] 565 Th. Dubler, C. Maissen, and G. Calzaferri, Discus-sion of Chemical Equilibria 569 M. Polverelli and R. Teoule, Gamma Radiolysis of Aerated Aqueous Solution of Cytosine, III. Identification of Two New Radiolysis Products: l-Carbamoyl-5-hydroxyhydantoin and N-For-mylbiuret 580 F. Böberg and R. Voss, On Labelled Compounds, X X V I . The 1,2,3-Trichloropropenvlium Ion as Intermediate on the Fluorination of 1,2,3,3-Tetrachloro-l-propene 583

K.-P. Zeller, Synthesis and Photolysis of 5-Diazo-5-[13C]-homoadamantan-4-one 586 M. I. Ali, A. A. El-Sayed, A M. Abdel-Fattah. and A. M. El-Reedy, Reactions with 2-Carboxy-indole-3-acetic Acid Imides, Preparation of Some Imides, their Condensations with Aromatic Aldehydes and Nitroso Compounds and their Coupling with Diazonium Salts 589 O. S. Wolfbeis, The Reactivity of the C = N-Double Bond System, VIII. PMR-spectroscopic Studies on the E/Z-Isomerism of Alkyl a-Nitro-cinnamates 594 R. Kreher and H. Pawelczyk, 2 H-Pyrrolenine-N-oxide and N-Hydroxy-pyrrole 599 Y. K. Agrawal, Dissociation Constants of Some Hydroxamic Acids 605 A. Römer, H. Thomas, and H. Budzikiewicz, Sesquiterpene Esters of Type A from Euonymus europaeus L 607

Bericht O. Glemser, Recent Investigations on Cyclic Sulfur-Nitrogen-Halogen Compounds 610 U. Wtannagat, M. Schlingmann, and H. Autzen, Inorganic Fivemembered Ring Systems Basing upon Silicon, Nitrogen and "Hetero Elements" 621 R. A. Shaw, The Reactions of Halogenocyclo-phosphazenes with Nitrogenous Bases . . . . 641 Y. Monteil and H. Vincent, Phosphorus Com-pounds with the VI B Group Elements . . . . 668 Y. Monteil and H. Vincent, Synthesis of New Heterocycles by Halogenation of Tetrasulfur Tetranitride S4N4 673 J.-P. Faucher, J.-F. Labarre, and R. A. Shaw, Bonding in Cyclophosphazenes: Quantum and Experimental Support for Dewar's Island Model 677 H. W. Roesky, Preparation and Reactions of Sulfur-Nitrogen Ring Systems 680

Notes J. Gaile and W. Rüdorff, LiPbMniF6-Compounds and Pb3(AlF6)2 and Pb3(TiF6)2 684 K.-J. Range and R. Leeb, The Crystal Structure of Dy2Se3 685 K. Prout, N. M. Stevens, A. Coda, V. Tazzoli, R. A. Shaw, and T. Demir, Structural Studies on Polyvalent Compounds of Iodine 687 B. Eberwein, F. Sille, and J. WTeidlein, Mono-meric Methyl Metal Diacetamido Complexes of Gallium and Antimony 689 B. Mohai and A. Horvath, The Preparation of H3[Mn(CN)5NO] and H3[Cr(CN)5NO] and their Ammonium Salts 692 E. Hengge and E. Brandstätter, The Reaction of Endiols with Halogendisilanes 694 Berichtigung 696

Contents of Number 6

Original Communications H. Nöth and P. Wolfgardt, Preparation, Struc-ture and Properties of N-Alkyliminoalanes . . 697 K. Moedritzer. 1-Chloro- and 1-Hydroxyphos-pholene-1-sulfides 709 G. Heller and H. Ross, The Hydrolysis of Some Tris(organyloxy)boranes under Alkaline In-fluence in Non-aqueous Solvents 714

Contents V I I

M. S. Hussain and H. Schmidbaur, A Mixed Methyl -/Phenyl -substituted Carbodiphospho -rane. Synthesis, Reactions, and Related Com-pounds 721 W. Gombler, Partially Fluorinated Dialkyldi-sulfanes 727 R. Rottler, C. G. Kreiter, and G. Fink, « C NMR Spectroscopic Investigations of Ethylaluminium Compounds 730 K.-H. Tytko, On the Mechanism of Formation of Polyanions in Aqueous Solution. Concerning the Mechanism of Formation of aPolytetramolybdate Ion [Mo4Oi44-]„ 737 G. Schätzel and W. Preetz, Tetrahalogeno-acetyl-acetonato-osmates(IV) 749 P. Paetzold, P. Böhm, A. Richter, and E. Scholl, Synthesis, Addition of Bases, and Fragmentation of l,3,2-Dioxaborolane-4-ones 754 R. Bausch, A Nuclear Magnetic Saturation Study of the cis-trans Isomerization in Bis(5,5-di-methvl-2-hexenyl)-zinc 765 H.-D. Amberger and G. R. Sienel, The Electronic Structure of Organometallic Complexes Involving f-Electrons, IV. Assignment of the Absorption Bands in the Room Temperature Absorption Spectrum of Tris-(cyclopentadienide)-uran(IV)-borohydride 769 P. Morys, R. Gerritzen, and H.-L. Krauss, Surface Compounds of Transition Metals, XVI. Chemiluminescence Phenomena in the Oxydation of Coordinatively Unsaturated Surface Com-pounds 774 L. Weber, Bis(dimetliylsulfoxoniummethylid)-tetracarbonyl Complexes of Chromium, Molybde-num and Tungsten 780 G. Anderegg, Complexone, XLVII. Thermo-dynamics of Complex Formation of Some Uni-valent and Bivalent Metal Ions with Ethylene-diaminetetraacetate and Uramildiacetate Anions 786 M. Höfler, H. Hausmann, and W. Saal, Exchange Reactions at Complexed Ligands of Elements of Group V B. Preparation and Reactions of Com-plexes of the Type 7r-C5H5Mn(CO)2L (L = phos-phide, amide) 790 M. H. Elnagdi, S. M. Fahmy, E. M. Zayed, and M. A. M. Uias, Pyrimidine Derivatives and Related Compounds, III. Synthesis of Some New Pyrazolo[l,5-a]pyrimidines and Pyrazolo[3,4-d]-pyrimidine Derivatives 795 M. A. Osman, Synthesis of Low Melting Liquid Crystalline N-(4-n-Alkylbenzilidene)-4'-n-alkyl-anilines 801 W. W. Schoeller, Conformational Control in Substituted Allyl Radicals by Nonbonded Attraction 805 W.-H. Gündel, Investigations of Quaternary Pyridinium Salts, V. Reactions with Substituted Azabicyclo[4,l,0]hepten 807 R. Sartorius, R. Schmidt, H. Keim, and H.-D. Brauer, Investigation of the cis-irans-Isomerism of the Wittig Hydrocarbon 810 G. Vierke and M. Müller, Evidence against OH Radical Formation during Photocatalyzed Re-duction of Manganese(III) in K2[Mn(III)-2-a-hydroxyethyl-isochlorin e4]acetate in Oxygen Free Aqueous Alkaline Solutions 816 G. Sosnovsky and E. H. Zaret, Reactions oitert-Butylperoxy Esters, XV. Decomposition of Dialkyl <eri-Butvlperoxy Phosphates 820

W. Beck, B. Purucker, M. Girnth, H. Schönen-berger, H. Seidenberger, and G. Ruckdeschel, Synthesis, in vivo and in vitro Studies on the Antineoplastic Effect of cts-Dichloro-dipeptide Ester Platinum(II) Complexes 832 A. H. Harhash, F. A. K. Amer, M. A. F. N. Eldin, and M. L. Awad, Synthesis of Ethyl a-Phenyl-thiocarbamylglyoxalate Arylhydrazones and their Reactions with Hydrazines 846 H. Wittmann, D. Sobhi, and F. A. Petio, Re-actions with Betaine, XII. The Reaction of Diethyl Bromomalonate with Aliphatic tert. Amines 850 N. A. E. Kassab, S. O. A. Allah, and H. A. R. Ead, The Synthesis of a New Fused Thiazolo-[4,3-c]-l,2,4-triazole System and its Derivatives 853 C. v. Sonntag, M. Dizdaroglu, and D. Schulte-Frohlinde, Radiation Chemistry of Carbohydra-tes, VIII. y-Radiolysis of Cellobiose in N20-saturated Aqueous Solution. Part II. Quanti-tative Measurements. Mechanisms of the Radical-induced Scission of the Glycosidic Linkage . . 857 A. F. A. Shalaby, H. A. Daboun, and S. S. M. Boghdadi, Reactions with l-Phenyl-4-thio-hydantoin. Preparation of 5-Arylazo-l-phenyl-4-thiohydantoin, their Reactions towards Alkylat-ing Agents and Mannich Reaction 865 R. Herrmann and H. Schwarz, Mechanisms of Electron Impact Induced Elimination of Metha-nol from ortho- and para-Substituted Benzoic Acid Methyl Ester 870 H. Wagner, O. Seligmann, M. Seitz, D. Abraham, and J. Sonnenbichler, Silydianin and Silychristin, two Isomeric Silymarins from Silybum marianum L. Gaertn. (milk"thistle) 876

Notes H.-L. Keller, Notice About Crystal Structures of APb2Cl5-Compounds 885 K.-J. Range and H.-J. Hübner, MnGa2Se4 and MnGa2Te4 886 I.-P. Lorenz and R. Griesshammer, Sulfene Inser-tion in the Synthesis of JI-C5H5(C0)3WS(0)2CH3 ? 888 W. Dörrscheidt, N. Niess, and H. Schäfer, New Compounds of the ThCr2Si2-Structure Type . . 890 R. Moeseler, B. Horvath, D. Lindenau, E. G. Horvath, and H. L. Krauss, Surface Compounds of Transition Metals, XVII . Oxygen Sensitivity of Coordinatively Unsaturated Surface Compounds 892 F. Steffens and D. Reinen, Preparation and Structure of Transition Metal Fluorides ÜnMlVF6 [Ü11: Cr-Zn; MIV: Hf, Zr] 894 Berichtigungen 896

Contents of Number 7

Original Communications St. Pollitz, F. Zettler, D. Forst, and H. Hess, The Crystal and Molecular Structures of Dichloro-(methylthio)borane and Dibromo(methylthio)-borane 897 M. Montenarh and R. Appel, Reaction of Silyla-ted Sulfamides with Trithiadiazyl Dichloride . 902 R. Ch. Paul, T. Puri, and R. Kapoor, Preparation and Characterization of Silicon(IV) Formate . . 905 J. O. Besenhard, H. Meyer, and R. Schöllhorn, Defined Intercalation Stages from Cathodic Reduction of MoS2 in Organic Electrolytes . . 907

VIII Contents

D. Baumann, H. J. Keller, D. Nöthe, H. H. Rupp, and G. Uhlmann, Association Reactions of Tetrakis(arylisonitrile)-cobalt(II), Rhodium(I) and Rhodium(III) Complexes in Solution . . . 912 F. Koubowetz, H. Noller, and J. Latzel, Adsorp-tion of Acetone on Magnesium Oxide 922 F. F. Seelig, System-theoretical Investigation of Possible Oscillatory States in the Hydroformyla-tion Process in an Open Isothermal System . . 929 H. Schwarz, F. Borchers, and K. Levsen, Col-lisional Activation Mass Spectrometry of Mono-terpenes and Isomerisation of Gaseous C7Hg+

Ions 935 W. Strohmeier and M. Pföhler, Comparison of Hydrogenation of Unsaturated Compounds with a Homogeneous and Heterogeneous Platinum Catalyst in Acetic Acid 941 W. Strohmeier and E. Hitzel, Catalytic Activity of Homogeneous and Heterogenized RhCl(PPli3)3 for Hydrogenation of Substrates without Sol-vents 945 D. Hellwinkel, W. Krapp, D. Schomburg, and W. S. Sheldrick, The Crystal Structure of the Spirophosphorane (HOCH2 • C6H3 • CH20)2PPh 948 U. Berns, G. Heinrich, and H. Güsten, Solvent Dependency of the Thermal cis->trans Isomeri-zation of Donor/Acceptor-Substituted N-Ben-zylideneanilines 953 G. Koltzenburg, T. Matsushige, and D. Schulte-Frohlinde, The Mechanism of Decay of the Radical HO-CH-CH2-OCOCH3 in Aqueous Solutions. A Conductometric Pulse Radiolysis Study 960 W. Gierke, W. Harrer, B. Kirste, H. Kurreck, and J. Reusch, On Galvinols and Galvinoxyls, II. EPR and Electronic Absorption Spectra of Oligo Galvinoxyl Radicals in Solution . . . . 965 W. Broser, B. Kirste, H. Kurreck, J. Reusch, and M. Plato, On Galvinols and Galvinoxyls, III. EPR Study of Zero Field Splitting in Randomly Oriented Galvinoxyl Biradicals 974 G. Entenmann, H. Herter, and H. Lay, 2-Amino-3-hydroxy-4-methylthiazolium Chloride. A New Reagent for the Detection of Nitrite 981 G. Habermehl and W. Walz, Acid Catalyzed Rearrangements of l,5-Cyclo-2-keto-steroids . . 983 M. M. M. Sallam, M. H. Elnagdi, D. H. Fleita, and E. Hartmann, The Reaction of ß-Cyeno-ethylhydrazine with Diethyl Phenylthiocarba-moylmalonate 989

Notes R. Appel and M. Montenarh, Synthesis of Sulfa-moyl Substituted Silazanes 993 G. J. Bullen, P. E. Dann, M. L. Evans, M. M. Hursthouse, R. A. Shaw, K. Wait, M. Woods, and H. S. Yu, Synthesis and Structural Investigation of an Unusual Double Hydrogen-Bridged Dimeric Cyclophosphazene Derivative . 995 J. A. K. Du Plessis, H. Rose, and R. A. Shaw, Synthesis of Trimethylphosphazenyl- and Tri-phenylphosphazenyl-fluorocy clotriphosphaza-trienes by a Silylation Method 997 Y. S. Babu, T. St. Cameron, S. S. Krishnamurthy, H. Manohar, and R. A. Shaw, The Crystal Structure of N3P3Cl5(NPPh3) - a Novel Con-formation in Phosphazenylcyclophosphazene Chemistry 999

M. Biddlestone, R. Keat, H. Rose, D. S. Rycroft, and R. A. Shaw, Stereospecific Four-Bond Phosphorus-Phosphorus Spin Couplings in Phos-phazenyl-Phosphazenes 1001 G. Bockmair, H. P. Fritz, and F. H. Köhler, Electrochemical Syntheses, IX. Electrochemi-cally Initiated Oligomerisation of <eri-Butyliso-cyanide 1003 A. B. Wolbarst, J. B. Clark, and P. W. Richter, Melting Curve of NaC103 to 42 kbar 1005 W. Petz, About the Reaction of C(NMe2)4 with Some Derivatives of the Carbonic Acid . . . . 1007 H. Güsten and E. F. Ullman, Photolysis and Thermolysis of 2-(a-Diazo-benzyl)-pyridine-l-oxide 1009 R. Luckenbach and W. Endres, Stereochemistry of the LiAlHi-induced Fission of the Allyl Group from Chiral Phosphonium Salts . 1011 R. Herrmann and H. Schwarz, On the Isomerisa-tion and Fragmentation of Butenoic Acid Methyl Esters under Electron Impact 1013 W. Voelter, H. Kalbacher, and E. Pietrzik, A New Improved Synthesis of Methionine-enke-phalin 1015

Contents of Number 8

Original Communications H. Behrens, M. Moll, and P. Würstl, Protonation and Alkylation of Olefin Cyano Dicarbonyl Ferrates(O) 1017 M. Moll, H. Behrens, R. Kellner, H. Knöchel, and P. Würstl, Sodium Bis[trimethylsilyl]Amide as a Proton Acceptor with Respect to Organic Ligands in Substituted Metal Carbonyls . . . . 1019 H. Behrens, K. Geibel, R. Kellner, H. Knöchel, M. Moll, and E. Sepp, Reactions of the Tricarbonyl Iron Cycloheptatrienide Anion [C7H7Fe(CO)3]- 1021 K. Deller and B. Eisenmann, The Crvstal Structure of Ca2As3 ' . . 1023 W. Ruf, Th. Renk, and W. Siebert, Metalocenyl-boranes, IV. Diboryl Compounds of Ferrocene and Cymantrene 1028 E. Klei and J. C. van de Grampel, Derivatives of e^-NPCl2(NSOCl)2 and (NPC12)2NS0C1, IV. Iso-thiocyanato Derivatives of CM-NPC12(NSOF)2 . 1035 J. Pebler, K. Schmidt, R. Haegele, and D. Babel, Investigations of the Mössbauer Effekt in Elpasolithes A2xNaFeF6 1039 W. L. Dorn, A. Knöchel, P. Schulz, and G. Klar, Compounds of Tellurium in Low Oxidation States, III. Reaction of Diaryl Ditellurides with Aryltellurium Trihalides 1043 H. W. Roesky and H. Zamankhan, Silver Salt Reactions oi a Thiatriazine Ring 1048 W. Dörrscheidt and H. Schäfer, New Intermetal-lic Compounds of the anti-PbFCl-Structure Type 1050 J. Hauck and M. Rosenhauer, The Crystal Struc-ture and the High Pressure Stability of /S-LißUOe 1053 A. Schmidpeter, Th. von Criegern, and K. Blanck, Four- and Five-Membered Phosphorus Heterocycles, XIV. Cations of Hexacoordinated Phosphorus 1058 M. Muschick and Hk. Müller-Buschbaum, For-mation of New Compounds between Me0:M203, II. About SrCa2Yb10O18 and SrCaoLuioOig. . . 1064

Contents IX

R. Kipka and Hk. Müller-Buschbaum, About Oxocuprates, XVI. Ba9Cu70i5Cl2 with Cu2+ in a New Coordination 1067 K. Öfele, E. Roos, and M. Herberhold, Isomerisa-tion of eis- and <m»s-Dicarbene Complexes of the Type M(CO)4L2 (M = Cr, Mo, W) 1070 M. Rössler and A. Schmidt, The Reaction of Trichloroacetimidicacidmethvlester and Anti-mony (V) Chloride . . . 1078 A. Vogler and R. Hirschmann, Photochemical Redox Reaction of Aqueous Benzylpentacyano-cobaltate(III) ' 1082 W. Strohmeier and E. Hitzel, Heterogeneous Hydrogenation Catalysts Prepared from RhCl(P03)3, RhCl3 X H 2 0 and IrCl4 X HaO . . 1086 A. Gilbert, J. M. Kelly, M. Budzwait, and E. Koerner von Gustorf, The Comparative Photo-chemical Behaviour of Dibenzenechromium and Benzenetricarbonyl Chromium 1091 P. Mathur, D. P. Goel, and R. P. Singh, Potentio-metrie Determination of Stability Constants of Trivalent Metal Ion Complexes with Di-p-tolyl-thioviolurie Acid 1096 A. Scheffler and W. Preetz, Halogeno-Complexes of Osmium(III) with Pyridine, Pyrazine, Pyrimi-dine and Some Methyl-Homologes 1099 S. Bratan-Mayer, F. Strohbusch, and W. Hänsel, IR and NMR Spectroscopic Studies on Rubazonic Acids. An Unusual Eight-Membered Ring Proton Chelate with Double Minimum Potential . . . 1106 W. Winter, Isomerization of Pd-0 = PR3 Co-ordinated o,o/-Bis(phenyläthinyl)-triphenylphos-phineoxide 1116 P. Bartl, H. Parlar, and F. Korte, Photoinduced Deamination Reaction of 4-Amino-3-methylthio-l,2,4-triazin-5(4H)-ons 1122 R. Luckenbach, The Stereochemistry of the Phosphine Oxide Cleavage of Chiral Acyclic Phosphonium Salts 1127 R. Luckenbach, Separation of an Unsymmetrical-ly Substituted Triarylphosphine into its Enantio-mers 1135 O. H. Hishmat and A. H. Abd-el-Rahman, Re-actions of Benzofurans, V. Formylation and Bromination of 2,3-Diphenylbenzofuran . . . . 1138 E. Ziegler and J. G. Zwainz, The Reactivity of the C = N-Double Bond System, IX. Reactions with Urea, Thiourea, N,N'-Dimethylsemicarba-zide and Cyanamide 1142

Notes

K. Deller and B. Eisenmann, On the New Inter -metallic Compound SrSb2 1146 H. Pausch and Hk. Müller-Buschbaum, The Atomic Distribution in SrFeyAlsOig 1148 W. Strohmeier and H. Steigerwald, Hydrogena-tion of Unsaturated Compounds, Aldehydes and Ketones with Catalyst-System NiCl2 • 6 H 2 0 + NaBH4 in Dimethylformamide under Mild Conditions 1149 F. H. Köhler, 13C High Resolution NMR of Substituted Ferrocenes 1151 F. H. Köhler and G. Matsubayashi, 13C NMR of Paramagnetic Phenylmetallocenes: Analogy with Benzyl Radical 1153 G. Häfelingei and J. Strähle, Crystal- and Molecular Structure of 4-Iodo-2,,4',6'-trimethyl-biphenyl 1155

U. Weber, Simple and Mild Synthesis of Methyl -and Benzylesters of Amino Acids 1157 Berichtigung 1159

Contents of Number 9

Original Communications C. Huttner, A. Frank, and G. Möhr, The Struc-ture of Ph-P[C5H5(CO)2MnFe2(CO)6], a Complex Containing a Bridging /<3-Ph-P-Ligand . . . . 1161 G. Huttner, H.-D. Müller, V. Bejenke, and O. Orama, The Structure of Bis(cyclopentadienyl-dicarbonylmanganese) 1,2-diphenyldiphosphane, [C5H5(CÖ)2Mn]2PhP(H)-(H)PPh 1166 H. Pritzkow, The Crystal Structure of Silver-N-cyclohexylamidoperchlorate 1170 K. Walenta, ZrSi04 with Monoclinic Baddeleyite Structure? 1175 J. Hauck, The Crystal Structure of Sodium Platinates(IV) . . . 1179 B. Grande and Hk. Müller-Buschbaum, About Oxocuprates, XVIII . The Crystal Structure of Sr2Cu304Br2 1183 H. J. Guder, W. Schwarz, J. Weidlein, H. J. Widler, and H. D. Hausen, The Crystal Struc-tures of Tetramethylarsonium- and Tetramethyl -stibonium-monomethyltrichloroindate (CH3)4M+CH3InCl3- (with M = As, Sb) . . . . 1185 G. Grouhi-Witte and E. Weiss, Preparation and Isolation of three Isomers of Sodium-bis(L-aspartato)chromate(III) 1190 A. el Basyony, J. Klimes, A. Knöchel, J. Oehler, and G. Rudolph, Anionactivation, III. Concern-ing the Significance of Hydrogen-Bonding for the Reactivitv of Crown Ethers and Aminopoly-ethers . . * 1192 H. Nöth and P. Wolfgardt, Exchange of Sub-stituents in Tetrameric N-Alkylimino-a.lanes . . 1201 M. Fernändez-Gonzälez, A. Weiss, K. Beneke, and G. Lagaly, Bimolecular Films in Layer Structures: Matrix Effect of the Inorganic Sheets of Uranium Micas 1205 M. Weidenbruch and F. Sabeti, Silicon Com-pounds with Strong Intramolecular Steric Inter-actions, V. Organosilicon Nitrites, Nitrates and Related Compounds 1212 J. B. van den Berg, B. de Ruiter, and J. C. van de Grampel. Derivatives of C«J-NPC12(NSOC1)2 and (NPC12)2NS0C1, V. Preparation of NPCl2(NSOPh)2 and (NPCl2)2NSOPh. Reactions of NPCl2(NSOPh)2 with Dimethylamine. . . . 1216 G. Ebbinghaus, W. Braun, and A. Simon, Photo-electron Spectroscopy of the Alkali Metals Rb and Cs and their Metal Rich Oxides 1219 P. Morys and G. Gliemann, Polarization-Absorp-tion Spectrometric Studies of the Electronic and Geometrical Structure of the Octacyano Com-plexes of Molybdenum and Tungsten, I. The Mo(CN)84- Ion in K4Mo(CN)8 • 2 H 2 0 . . . . 1224 M. Djazayeri, C. G. Kreiter, H. M. Kurz, M. Lang, and S. Ozkar, Hindered Ligand Motions in Transition Metal Complexes, X . Carbonyl-donor-ligand - rj - 1,3,5 - cycloheptatriene - chromium (0) Complexes 1238 H. Strähle, W. Seitz, and H. Güsten, Substituent Effects on the Fluorescence of l,3-Diphenyl-2-pyrazoline 1248

X Contents

F.-W. Küpper and R. Streck, Synthesis of Insect Attractants by Metathesis Catalysts 1256 K. Scheffler, P. Schüler, and G. Sosnovsky, ESR Studies of Nitroxyl Radicals 1265 H. Meier, H. Gugel, and H. Kolshorn, Spectro-scopic Investigations about the Structure of 5,6 -Didehydro -11,12 -dihydro -dibenzo[a,e]cyclo -octene . 1270 A. G. W. Bradbury and C. von Sonntag, Radia-tion Chemistry of Carbohydrates, IX . y-Radio-lysis of N-Acetyl-glucosamine in Aqueous Solu-tion 1274

Notes G. Birke, H. P. Latscha, and H. Pritzkow. (i-C3H7NH3+)8(Cl-)4SbC]63-SbCl6- a New Mixed Valence Compound 1285 E. Diemann and A. Müller, On the Knowledge and Structure of the Tetrathioperrhenate Ion in (C6H5)4P[ReS4] 1287 J. Pebler, G. Backes, K. Schmidt, and D. Reinen, The Mössbauer Effect of Nitro Complexes Al2PbFe(N02)6 [AI: K, TI, Rb, Cs] with Fe2+-Ions in the Low-spin State 1289 Hg. Schnöckel, IR Absorption of A1C1 and AlBr in Solid Noble Gases 1291 B. Ross, W. Marzi, and G. Wilhelm, Di-tert-butylchlorothioarsorane 1293 T. St. Cameron, M. G. Magee, and S. McLean, Synthesis and Crystal Structure of the Hydrogen Bonded Complex of Tri-paratoluidylphosphaze-nyl Oxide with Ethyl Alcohol 1295 P. Shanmugam, K. Kanakarajan, and N. Soundararajan, Thienoquinolines, II. A New and Convenient Synthesis of Thieno(2,3-b)quinoline 1297 J. Heimbrecht, K. Levsen, and H. Schwarz, The Isomerisation of Hydrocarbon Ions, V. Isomeric Pentylbenzenes and their [M-CH3]+ Fragments. 1299 S. Pietra and A. Tenaglia, Electrical Conduction in Thioxanthene 1301 A. Rahman, Synthetic Studies towards anti-Leukaemic Alkaloids, IX. The Synthesis of 15-Acetoxydihydrocatharanthine 1303

Contents of Number 10

Original Communications M. Baudler, J. Hahn, H. Dietsch, and G. Fürstenberg, Contributions to the Chemistry of Phosphorus, 68. Tri-^-butyl-cyclotriphosphane . 1305 M. Baudler and Ch. Gruner, Contributions to the Chemistry of Phosphorus, 69. A Simple Synthesis of Tri-£-butyl-cyclotriphosphane 1311 H. P. Fritz and D. Laschka, The Electric Con-ductivity of Hydrated Sulfates of Di- and Tri-valent Cations 1313 N. Wiberg and G. Hübler, On Derivatives of Hydrazide, VI. Preparation and Characterization of Bis(trimethylsily])aminoisocyanide 1317 H. Endres, H. J. Keller, W. Moroni, and D. Nöthe, Some New Crystalline 7,7,8,8-Tetra-cyanoquinodimethane (TCNQ) Compounds with Tetrammineplatinum(II) Dications as Counter Ions 1322 G. Hagele, W. Kuchen, and H. Keck, NMR Spectroscopic Investigations on Vinyl-p-anisyl-dithiophosphinic Acid Trimethylsilylester . . . 1326

R. Allmann, V. Bätzel, R. Pfeil, and G. Schmid, Synthesis, Properties and Structure of Bis(bis-cyclopentadienyltitanium(III))-bis(dodecahydro-nidodecaborato)zincate, [(r^-CsHs^Ti • OCjHs • OC3H6]2[Zn(BioHi2)2] • OC4H8 1329 J. WTeis, H. Schäfer, and G. Schön, New Ternary Element (I)/Element(III)-Tellurides and Seleni-des 1336 J. Weis and H. Schäfer, Preparation and Crystal Structure of Na2Ga2Se3 1341 B. Eisenmann, G. Savelsberg, and H. Schäfer, Preparation and Crystal Structure of NaoCuAs, K 2 C U A S and K 2 C u S b 1344 A. Scheffler and W. Preetz, Mixed Ligand Com-plexes of Osmium(III) with Different Halides, Pyridin and Methylpyrazin 1347 J. Ellermann and H. A. Lindner, Complex Chemistry of Polyfunctional Ligands, X X X V I I I . Preparative and Vibrational Spectroscopic Studies of the Reaction of Mn2(CO)io with the Tritertiary Phosphine 1,1,1 -Tris(diphenylphosphinomethyl)-ethane 1350 R. Mattes, D. Altmeppen, and M. Fetzer, Syn-thesis, Infrared Spectra and Structure of Some Dimeric and Polymeric Oxochloro and Oxo-oxa-latoisothiocyanato Complexes of Molybdenum(V) 1356 WT. Danzer, W. Beck, and M. Keubler, Reactions of Metal Carbonyls with Diaziridine 1360 J. Pebler, K. Schmidt, and H. Wasinski, In-vestigation of the M2/M3 Phase Transition in Vi-xFexOz with a: = 0.024 1367 W. G. Filby and W. H. Kalus, E. Radiation Chemistry of Diplienylpicrylhydrazyl (DPPH), IV. The Mass Spectra of Some Aromatic Hydra-zines. Comparison of Radiolytic and Photolytic Fragmentations 1372 G. Sosnovsky and M. Konieczny, Preparation of 4-Hydroxy-2,2,6,6-tetramethylpiperidine-l-oxyl. A Reinvestigation of Methods Using Hy-drogen Peroxide in the Presence ot Catalysts . 1376 G. Sosnovsky and M. Konieczny, Preparation of N,N,N',N'-Bis(ethylene)-phosphorodiamidates of Steroids, Diacetone-D-glucose, and a-Toco-pherol 1379 U. Kraatz and F. Korte, Oxygen Analogous of A8- and A9-Tetrahydrocannabinols 1382 Z. Bregar, B. Stanovnik, and M. Tisler, Pyridazi-nes, L X X X V I . Some Mesoionic Mercaptoazolo-pyridazines 1387 F. Bölsing and E. Spanuth, Flash Light Photo-lytic Investigations Concerning the Mechanism of the Photochemical Wolff Rearrangement . . 1391 A. A.-W7. Soliman, Reactions with 5,6,7-Trihydro-5,7-diarylthiazolo[3,2-b]-s-triazin-3(2H)-ones. . 1397 H. WTittmann and R. Herzog, Syntheses of Heterocycles, 198. The Chemistry of Vicinal Triketones, VII. Quinolino-benzoxazines and Quinolino-benzoxazepines from 2,3,4-Trioxo-I.2,3,4-tetrahydro-quinoline s 1401 H. WTittmann, H. Taleban, and R. Herzog, Syn-theses of Heterocycles, 199. The Chemistry of Vicinal Triketones, VIII. Spiro Lactones from I,2,3-Trioxo-2,3-dihydro-phenalene and 2,3,4-Trioxo-1,2,3,4-tetrahydro-quinolines with An-thranilic Acid . . 1407 St. Fuchs and W. Voelter, Synthesis of TRH Derivatives of General Structure L-Pyr-L-His-L—Pro-NH-(CH2)n-NH2 (r; = 4, 7, 10) 1410

Contents X I

A. Rahman, A. Basha, M. Ghazala, and N. Waheed, Synthetic Studies towards anti-Leukaemie Alkaloids, VIII. The Roads to Vin-blastine 1416

Notes T. St. Cameron, J. D. Healy, R. A. Shaw, and M. Woods, Preparation and Crystal Structure of the Hydrogen-Bonded Cyclic Dimer of PhP(S)[N(CH2Ph)2]OH, HN(CH2Ph)2 1421 M. Vongehr and H. C. Marsmann, The Use of Pairwise Interaction Parameters for ^Si-Chemi-cal Shifts 1423 I.-P. Lorenz, E. Lindner, and W. Reuther, Directed Synthesis of Sulfinato-O- and -S-Com-plexes of Some Transit ion Metals, XVI. Sulfinato-S Complexes of Palladium(II) with Weak Donor Ligands 1425 W. Schwarz, H. J. Guder, R. Prewo, and H. D. Hausen, The Crystal Structure of Tetramethyl-arsonium-dibromodimethylindate [(CH3)4As][(CH3)2lnBr2] 1427 E. Königer-Ahlborn and A. Müller, On the Existence of the Cr03J~-Ion 1429 J. Michalski, A. Lopusinski, W. J. Stec, and E. Fluck, Inhibitory Effect of BF3 on the Re-

I arrangement of 0 = P-SCN in 0 = P-NCS . . . 1431

I I A. Widera and H. Schäfer, Preparation and Crystal Structure of Ba2Si 1434 P. Lechtken, High Energy Molecules. Synthesis of Tetramethyl-l,2-dioxa-4,5-diazine by Photo-oxidation of Acetoneazine 1436 E. Lüddecke, H. Mauser, and J. Polster, Photo-chemical Reactions of 1-Hydroxy-1 H-benzotri-azole and its Salts in Acetonitrile 1438 Erratum 1440

Contents of Number 11

Original Communications H. Fusstetter, J. C. Huffman, H. Nöth, and R. Schaeffer, Contributions to the Chemistry of Boron, L X X X I I . The Crystal and Molecular Structure of B,B'-bis-(1.3-dimethyl-l,3.2-diaza-borolidin-2-yl) ' 1441 H. Nöth and P. Wolfgardt, Aluminium Nitrogen Compounds Having a Skeleton Similar to Ada-mantane 1447 H. Rieskamp and R. Mattes, Fluorine-Rich Oxofluorovanadates(V): Crystal Structure of [enH2][VOF5] 1453 P. W. Richter, E. Whalley, and C. W. F. T. Pistorius, Crystallographic Data for the High-Pressure Phases CsC104 IV and CsBF4 IV . . . 1456 G. Cordier and H. Schäfer, New Intermetallic Compounds in the an^'-Ce202S-Structure Type . 1459 O. J. Scherer and G. Schnabl, Reaction of Diaza-diphosphetidines with Lewis Acids 1462 A. Schmidpeter, K. Blanck, and J. Högel, Bis-[cyclotri(phosphazen)yl]oxides 1466 E. Diemann, Interatomic Distances of the Statis-ticallv Oriented CrOsF- Ion in Potassium Fluoro-chromate(VI) 1468 S. Elbel, H. torn Dieck. and R. Demuth, Photo-

electron Spectra of Group V Compounds, VI. Methyl- and Trifluoromethyl-Cyanophosphines, Me„P(CN)3-„ and (CF3)„P(CN)3-n (n = 0, 1, 2, 3) . 1472 H. Steinbeisser and R. Mews, Addition Reactions with Fluorinated Diazo Compounds: The Pre-paration of N-Perfluoroisopropyloxathiazoline-and S-Perfluoroisopropvl-oxathiazole Derivati-ves * 1480 T. Asaji, R. Ikeda, and D. Nakamura, Nuclear Quadrupole Resonance of Nitrogen-14 in Potas-sium Hexathiocyanatoplatinate(IV) and Tetra-thiocyanatomercurate(II) 1483 M. Herberhold and M. Süss-Fink, Transition Metal Complexes of N-Containing Ligands, XI. Pentacarbonylchromium Complexes of s-Tetra-zine and Related Compounds 1489 H. Brunner and W. Steger, Optically Active Transition Metal Complexes, XLIII. (—)578-C5H5Mn(NO)(COC6H5)PN. Preparation, Epimerization and Stereochemistry of Ligand Exchange 1493 R. Froböse, R. Mews, and O. Glemser, Transition Metal-bis(fluorosulfonyl) Amides 1497 W. A. Prütz and S. Vogel, Specific Rate Con-stants of Hydroxyl Radical and Hydrated Electron Reactions Determined by the RCL Method 1501 G. Kollenz, E. Ziegler, W. Ott, and H. Igel, Syntheses of Heterocycles, CC. Reactions of Cyclic Oxalyl Compounds, XVIII . The Reaction of 4 - Benzoyl - 5 - phenyl - 2,3 - dihydrofuran - 2,3 -dione with H-active Nucleophiles 1511 W. Runge and J. Firl, Carbon-Nitrogen Spin-Spin Coupling in Diazomethane 1515 O. S. Wolfbeis and E. Ziegler, The Reactivity of C = N-Double Bond Systems, X . Synthesis of Condensed Heterocycles 1519 G. Sosnovsky, E. H. Zaret, and B. Böhnel, The Reactions of Alkyl Phosphoramides with Benzene in the Presence of Aluminium Chloride . . . . 1526 P. J. Aymonino, M. A. Blesa, J. A. Olabe, and E. Frank, Mössbauer Spectra of Substituted Pentacyanoferrates(II) Containing Monoproto-nated Diamines or Nitrogenated Heterocycles . 1532

Notes H.-U. Schuster and Chr. Tiburtius, Ternary Compounds in the System Lithium(Sodium)-Beryllium—Arsenic 1536 H. Kahlert and H.-U. Schuster, Ternary Phases of Sodium or Potassium with Elements of the 2b- and 5b-Group 1538 H.-U. Schuster, H.-W. Hinterkeuser, W. Schä-fer, and G. Will, Investigations on Neutron Diffraction of the Phases LiAISi and LiAlGe . . 1540 V. Krämer, Preparation and Crystal Data of the Bismuth Sulphide Chloride Bi4S5Cl2 1542 M. Jansen, On NaAg302 1544 U. Klingebiel and A. Melier, Formation of 1-Aza-8-sila-bicyclo[4,2,0]octane under Cleavage of a C -H Bond 1545 W. Maringgele and A. Meiler, Derivatives of 2,6,9-Trioxa-4,8-diaza-l,5-diborabicyclo[3,3,l]-nonadiene 1546 H. P. Beck, Ndlo, a Metallic High Pressure Modi-fication ? 1548 K. Deller and B. Eisenmann, The Crystal Struc-ture of SrAs3 " 1550

X I I Contents

Contents of Number 12

Original Communications

U. Engelhardt and G. Scherer, Metal Complexes of Dihydrazido-thiophosphoric Acid Phenylester and Dihydrazido-thiophosphate 1553 H. P. Beck, Oxychlorides of the Heavy Rare Earth Elements * 1562 H. P. Fritz and H.-J. Kremer, Electrochemical Syntheses, X . Nuclear Substitution of Alkyl-arene s 1565 E. Krämer and R. Gruehn, Contributions to the Study of Inorganic Non-Stoichiometric Com-pounds, VI. Preparative and Structural In-vestigations of WNb15O40F and Closely Related Defect Structures in the System Nb 2 0 5 -W0 3 -Nb0 2 F 1569 C. Friebel, V. Propach, and D. Reinen, Cu2+ in Tetragonally Compressed Octahedral Coordina-tion - Spectroscopic Investigations of Mixed Crystals Ba2Cua-Zni_xF6 1574 F. Preuss and H. Schug, 1:13- and 1:14-Hetero-polyvanadates of Phosphorus(V) 1585 A. Widera, B. Eisenmann, H. Schäfer, and K. Turban, Preparation and Crystal Structure of Ca3Al2Ge2, Sr3Al2Ge2 and BasAl2Ge2 1592 H. Lueken, J. W. Buchler, and K. Lam Lay, Antiferromagnetic Interactions in Some //-Oxoiron(III)-porphyrins 1596 Hk. Müller-Buschbaum and W. Schmachtel, On Alkaline Earth Metal Oxogallates, VI. About Mixed Crystal Formation of CaGa204-CaAl204 . 1604 H. Schmidbaur, D. Koth, and F. E. Wagner, 35C1-, 75As-NQR- and 197Au-Mössbauer Investi-gations of Gold(I)-chloride Complexes 1607 G. Tschmutowa and H. Bock, Photoelectron Spectra and Molecular Properties, LXIII. Ioniza-tion Energies of Phenyl Methyl Telluride and Comparison of Effects of Oxygen, Sulphur, Selenium and Tellurium Substituents on the Benzene n System 1611 G. Tschmutowa and H. Bock, Photoelectron Spectra and Molecular Properties, LXIV. Di-methyldiselenide - an Example for the Inter-action between Adjacent Electron Pairs. . . . 1616 J. Polster, A New Method for Spectrometric Analysis of Complex Metal Solutions 1621 W. Fichtner and A. Weiss, Molecular Compounds of HgCl2 with Organic Donors. A 35C1 NQR Study 1626 R. Kreher and G. Use, Carbocyclic Substituted N-Methane-sulfonyl-isoindolines Synthetic Pre-cursors for Unsymmetric Substituted 2 H-Iso-indoles 1635 W. Grahn, Substituent Effects on the 13C NMR Chemical Shifts of Trimethincyanines with eis and trans Configuration 1641 J. C. J. Bart and E. Garagnani, Organic Reaction Schemes and General Reaction - Matrix Types, I. Rearrangement Reactions 1646 E. Luppold, E. Müller, and W. Winter, Ring-opening of 2,5-Diphenyl-tellurophene with n-Butyl-Lithium Synthesis of 1,4-Substituted Butadiene Derivatives 1654 R. Lüdersdorf and K. Praefcke, Photoreactions of 2-Sulfinyl Substituted Benzaldehydes - a New Photoinduced Oxygen-Transfer Reaction . . . 1658 C. E. May, K. Niedenzu, and S. Trofimenko, Mass Spectral Studies on Pvrazaboles 1662

R. Herrmann and H. Schwarz, On the Mechanism of Substituent Interaction during the Electron Impact Induced Ether Cleavage from para-Substituted Methoxymethyl Benzenes . . . . 1667 S. K. Saxena, A. P. Shukla, M. D. Sadhnani, and R. L. Mital, Angular Heterocycles. Synthesis of Some Substituted 6-Chloro-10-trifluoromethyl-benzo[a]phenothiazines 1673 H. Kunz, Derivatives of the c^s-^mrjs-lsomeric (2-Hydroxycyclopropyl)trimethyl Ammonium Iodides; on a Nucleophilic Displacement with Inversion at the Threemembered Ring . . . . 1676 H. H. Zoorob and E. S. Ismail, Synthesis of Pyridone Derivatives. Michael Condensation with Ethyl Cyanoacetate, Cyanoacetamide and Acetoacetamide 1680 P. Shanmugam, K. Kanakarajan, and N. Soun-dararajan, Thienoquinolines, IV. Synthesis of Thieno(2,3-b)quinolines 1685 A. Kettrup and M. Grote, Isomeric and Tauto-meric Forms of Substituted l,5-Diphenyl-3-phenylcarbamoylformazanes 1689 H. Kaibacher, C. Bürvenich, St. Fuchs, H. Horn, W. Klingler, E. Pietrzik, K. Zech, and W. Voel-ter, Total Synthesis of Somatostatin, I . . . . 1702

Notes R. Arpe and Hk. Müller-Buschbaum, About Bi2Pd04 1708 W. Hörkner and Hk. Müller-Buschbaum, Single Crystal Investigations of/5-CaCr204 1710 E. G. Hoffmann, P. W. Jolly, A. Küsters, R. Mynott, and G. WTilke, The 13C-NMR spectra of Organotransition Metal Complexes, I. (Cyclo-dodecatriene)- and (Bicycloheptene)nickel Com-plexes ' 1712 T. Kömives, A. F. Märton, and F. Dutka, Amino-lysis of Thioaspirin in Acetonitrile 1714 H. Wittmann, E. Ehrlich, H. Siegel, and H. Sterk, Syntheses of Heterocycles, 202. The Chemistry of Vicinal Triketones, IX . Concerning the Structure of the Product Derived from N-Phenylquinisatine and Diazomethane 1716 J. Martens, K. Praefcke, and H. Simon, Photo-chemistry of Selenol Esters 1717 H. J. Haustein and K. E. Schwarzhans, Prepara-tion of Silicon Homologues of the "Methylidyne-clusters" 1719 Book review 1720 Erratum 1721

Book Reviews of Number 1 -12

E. Breitmaier and W. Voelter, 13C NMR Spectros-copy. Methods and Applications (V. Vetterl) . . 535 H. D. Jakubke and H. Jeschkeit, Aminosäuren, Peptide, Proteine - Eine Einführung (O. Oster) 536 D. Gupta and WT. Voelter, Hypothalamic Hor-mones-Structure, Synthesis and Biological Acti-vity (E. Riedel) 1717

Errata of Number 1 -12

To H. Brunner et al. (31b, 318 [1976]) 696 To K. Praefcke et al. (31b, 257 [1976]) 896 To E. Endres et al. (30b, 535 [1975]) 1159 To F. Koubowetz et al. (31b, 922 [1976]). . . . 1440 To F.-W. Küpper et al. (31b, 1256 [1976]) . . . 1721