Aerobic oxidation of thiols to disulfides catalyzed by diaryl tellurides under photosensitized conditions

…, K Tanaka, K Nishiyama, W Ando

Index: Oba, Makoto; Tanaka, Kazuhito; Nishiyama, Kozaburo; Ando, Wataru Journal of Organic Chemistry, 2011 , vol. 76, # 10 p. 4173 - 4177

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Citation Number: 43

Abstract

Aerobic oxidation of thiols is efficiently catalyzed by diaryl tellurides such as bis (4- methoxyphenyl) telluride under photosensitized conditions to give the corresponding disulfides in good to excellent yields. In this catalytic system, the tellurone oligomer, produced by the reaction of a telluride with singlet oxygen, is assumed to be the active species and is capable of oxidizing 4 equiv of a thiol.

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