20,20-Ethylenedioxy-3α-hydroxy-21-methoxy-5α-pregnan-11-one 在
sodium iodide 作用下,
以
乙醇 为溶剂,
反应 72.0h,
生成 Diethylamino-acetic acid (3R,5S,8S,9S,10S,11S,13S,14S,17S)-3-hydroxy-17-(2-methoxy-acetyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-11-yl ester