作者:Chao-Jun Tang、Matej Babjak、Regan J. Anderson、Andrew E. Greene、Alice Kanazawa
DOI:10.1039/b611202a
日期:——
Enantiopure 20(S)-camptothecin has been prepared from a known hydroxypyridone through a novel approach that involves a Claisen rearrangement, an asymmetric nucleophilic ethylation, a Heck coupling and a Friedlander condensation as the key transformations.
对映体20(S)-喜树碱已通过一种新颖的方法由一种已知的羟基吡啶酮制备,该方法涉及Claisen重排,不对称的亲核乙基化,Heck偶联和Friedlander缩合作为关键转化。