1999 polyphenylalkane derivatives

polyphenylalkane derivativesQ 0720

13 - 127Reductive Coupling of Aromatic Carbonyl Compounds to PinacolsUsing Zinc Powder in Aqueous Media. — In the reported procedurefor the pinacolic coupling of carbonyl compounds the system NH4Cl/H2O/THFis used as reaction medium for the first time. The advantages are mild andneutral reaction conditions, simple operation and good yields for the couplingof aldehydes. — (WANG, LEI; SUN, XINGHUA; ZHANG, YONGMIN;J. Chem. Res., Synop. (1998) 6, 336-337; Dep. Chem., Hangzhou Univ.,Hangzhou 310028, Peop. Rep. China; EN)

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