Nucleophilic substitution of 3-fluorosulfonyloxy cephalosporins with organocuprates
作者:Gregory P. Roth、Scott A. Peterson、Joydeep Kant
DOI:10.1016/s0040-4039(00)79294-x
日期:1993.11
3-Fluorosulfonyloxy cephems readily undergo addition-elimination reactions with organocuprates derived from the corresponding Grignard reagents. This chemistry presents an efficient, cost effective process for the preparation of 3-substituted cephems.