Acetic acid (3R,5R,7R,8R,9S,10S,12S,13R,14S,17R)-3,7-diacetoxy-17-((R)-6-acetoxy-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-12-yl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
生成
Acetic acid (3R,5R,7R,8R,9S,10S,12S,13R,14S,17R)-3,7-diacetoxy-17-((R)-6-hydroxy-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-12-yl ester