A new strategy for the synthesis of carbapenems. A formal total synthesis of (+)-thienamycin.
作者:Gregg B. Feigelson
DOI:10.1016/s0040-4039(00)74078-0
日期:1993.7
A new approach to formation of the carbapenem ring system is presented. The key step involves the Lewis acid mediated cyclocondensation of a β-lactam nitrogen and the α-keto ester of a suitably disposed side-chain. The preparation of a known and pivotal intermediadate in the synthesis of thienamycin serves to demonstrate this strategy.
提出了形成碳青霉烯环系统的新方法。关键步骤涉及路易斯酸介导的β-内酰胺氮与合适放置的侧链的α-酮酯的环缩合。噻吩霉素合成中已知的关键中间体的制备可证明这一策略。