Reactions of Tris(2‐pyridyl)phosphine Oxides with Electrophiles: Formation of 5‐Substituted 2,2′‐Bipyridyls.

Abstract

Pyridine derivatives Pyridine derivatives R 0380Reactions of Tris(2-pyridyl)phosphine Oxides with Electrophiles: Formation of 5-Substituted 2,2'-Bipyridyls. -The reaction of the title phosphine oxides (I) with benzeneselenyl chloride, arenesulfenyl chlorides and arenesulfinyl chlorides provides the corresponding 5-substituted 2,2'-bipyridyls and 2,2'-bipyridyls as the major products. -(UCHIDA*, Y.; MATSUMOTO, M.; KAWAMURA, H.; Heteroat. Chem. 14 (2003) 1, 72-81; Dep. Appl. Chem., Osaka Inst. Technol., Asahi, Osaka 535, Japan; Eng.) -M. Schroeter 20-158