3-(3β-acetoxy-11-oxo-(22,23-bis-nor-)-cholanoxy-)-4-methylthiazolo-2(3H)-thione 在
antimony triphenylsulphide 作用下,
以
氯苯 为溶剂,
反应 12.0h,
以85%的产率得到Acetic acid (3S,5R,8S,9S,10S,13S,14S,17S)-17-(1-hydroxy-ethyl)-10,13-dimethyl-11-oxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester