Copper-assisted substitution reaction for phenylthio group of a 4-phenylthioazetidinone derivative
作者:Tetsuo Shimamoto、Hidekazu Inoue、Takuro Yoshida、Rie Tanaka、Takashi Nakatsuka、Masaji Ishiguro
DOI:10.1016/s0040-4039(00)78210-4
日期:1994.8
The phenylthio group of 4-phenylthioazetidinone (1) was readily substituted with copper(I) salts of carboxylates, thiocarboxylates, and copper(I) enolates of malonates and beta-ketoesters to give synthetic intermediates (3 and 4) for penem and carbapenem antibiotics.