名称:
Free radical cyclizations leading to four-membered rings. I. Beta-lactam production using tributyltin hydride
摘要:
Use of HSnBu3 for the reductive cyclization of suitable enamides having a bromide substituent alpha to the carbonyl group affords beta-lactams in good yields.
DOI:
10.1016/s0040-4039(00)79917-5