N??Heterocyclic Carbene??Catalyzed Oxidative Esterification Reaction of Aldehydes with Alkyl Halides under Aerobic Conditions

YC Xin, SH Shi, DD Xie, XP Hui…

Index: Xin, Yang-Chun; Shi, Shi-Hui; Xie, Dong-Dong; Hui, Xin-Ping; Xu, Peng-Fei European Journal of Organic Chemistry, 2011 , # 32 p. 6527 - 6531

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Abstract

Abstract An efficient N-heterocyclic carbene-catalyzed oxidative esterification reaction of aldehydes with alkyl halides or alkyl 4-methylbenzenesulfonate is reported. It was worth noting that (1) the configuration of alkyl halides or alkyl 4-methylbenzenesulfonates was inverted completely, and (2) the presence of oxygen was crucial for this transformation. The reaction proceeded smoothly under mild conditions and various esters were afforded in ...