申请人:Florida State University
公开号:US05175315A1
公开(公告)日:1992-12-29
A .beta.-lactam of the formula: ##STR1## wherein R.sub.1 is aryl, substituted aryl, alkyl, alkenyl, or alkynyl; R.sub.2 is hydrogen, alkyl, acyl, acetal, ethoxyethyl, or other hydroxyl protecting group; and R.sub.3 is aryl, substituted aryl, alkyl, alkenyl, or alkynyl; and process for the preparation of taxol comprising contacting said .beta.-lactam and an alcohol in the presence of an activating agent to provide a taxol intermediate, and converting the intermediate to taxol.
一种β-内酰胺,其化学式为:##STR1## 其中R1为芳基、取代芳基、烷基、烯基或炔基;R2为氢、烷基、酰基、缩醛基、乙氧基乙基或其他羟基保护基;R3为芳基、取代芳基、烷基、烯基或炔基;以及制备紫杉醇的方法,包括在活化剂的存在下将所述β-内酰胺和醇接触以提供紫杉醇中间体,并将中间体转化为紫杉醇。