Concise synthesis of 22-hydroxyacuminatine, cytotoxic camptothecinoid from Camptotheca acuminata, by pyridone benzannulation
作者:Matej Babjak、Alice Kanazawa、Regan J. Anderson、Andrew E. Greene
DOI:10.1039/b516154a
日期:——
A short, efficient synthesis of 22-hydroxyacuminatine, starting from a readily accessible hydroxy pyridone, is presented; key steps include a Heck coupling with methyl pentadienoate, a flash vacuum pyrolytic cyclization, and a Friedlander condensation.
从容易获得的羟基吡啶酮开始,提出了一种短而有效的22-羟基氨基丁酸合成方法。关键步骤包括与戊二烯酸甲酯的Heck偶联,快速真空热解环化和Friedlander缩合。