作者:Claudio C. Silveira、Antonio L. Braga、Robson B. Guerra
DOI:10.1016/s0040-4039(02)00477-x
日期:2002.4
Ethyl alpha-phenylchalcogeno alphabeta-unsaturated esters were prepared in a stereoselective manner by the reaction of ethyl propiolates with organocuprates, followed by the reaction with the appropriate electrophilic organosulfur, organoselenium or organotellurium source. (C) Elsevier Science Ltd. All rights reserved.