申请人:Gist-Brocades N.V.
公开号:US04898955A1
公开(公告)日:1990-02-06
Trans-.beta.-lactams are prepared in a nearly quantitative yield by a condensation reaction of a new intermediate metal enolate and an appropriate imine. Certain new metal enolates are provided as intermediates.
β-内酰胺通过一种新的中间体金属烯醇酸盐与适当的亚胺的缩合反应,几乎可以得到完全收率。某些新的金属烯醇酸盐被提供作为中间体。