Catalytic action of triarylstibanes: Oxidation of benzoins into benzyls using triarylstibanes under an aerobic condition

S Yasuike, Y Kishi, S Kawara, J Kurita

Index: Yasuike, Shuji; Kishi, Yoshihito; Kawara, Shin-Ichiro; Kurita, Jyoji Chemical and Pharmaceutical Bulletin, 2005 , vol. 53, # 4 p. 425 - 427

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Citation Number: 18

Abstract

Benzoins are simply oxidized to benzils in excellent yields with a catalytic amount of triarylstibanes under an aerobic condition. This catalytic oxidation is heteroatom-specific in the antimony compound and no reaction take place with other group 15 reagents such as triphenylphosphane,-arsane and-bismuthane. The reaction should involve an oxidation– reduction cycle between stibane Sb (III) and stiborane Sb (V) under air.