To optimize the process of prepartion isorotenone from rotenone by using Lewis acid AlCl3 as catalyst.

为了优异构制备异的艺。

The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible,and the reaction condition was mild.

实验结果表明,三氯异构的方法可行,反应条件温和。