The Reformatskii type reaction of Gilman and Speeter in the preparation of valuable .beta.-lactams in carbapenem synthesis: scope and synthetic utility
The α-bromoester-imine condensation promoted by zinc-trimethylchlorosilane: a stereospecific short formal synthesis of (±)-carbapenem antibiotics and related compounds
作者:Fernando P. Cossío、José M. Odriozola、Mikel Oiarbide、Claudio Palomo
DOI:10.1039/c39890000074
日期:——
Ethyl bromoacetate reacts with imines in the presence of zinc activated by trimethylchlorosilane to give high yields of 3-unsubstituted β-lactams.