A short synthesis of (−)-(4R,5S)-sitophilure using the regio- and stereoselective reduction of 3-acyltetrahydrothiopyran-4-ones with baker's yeast
作者:Tamotsu Fujisawa、Bingidimi I. Mobele、Makoto Shimizu
DOI:10.1016/s0040-4039(00)61147-4
日期:1992.9
Bakers' yeastreduction of 3-acyltetrahydrothiopyran-4-ones is regio- and enantioselective, yielding predominantly (3R,4S)-3-acyl-4- hydroxytetrahydrothiopyranes with high optical purity. This reduction method coupled with the Raney-nickel desulfurization provides a ready access to the rice and maize weevils aggregation pheromone, (−)-(4R,5S)-sitophilure, in high optical purity.