Acetic acid (3S,5S,8R,9S,10S,13S,14S,16R)-3-acetoxy-10,13-dimethyl-17-(1-methyl-2-oxo-ethyl)-hexadecahydro-cyclopenta[a]phenanthren-16-yl ester 在
chromium(VI) oxide 作用下,
以
乙醚 、
氯仿 、
溶剂黄146 为溶剂,
生成
3β,16α-Diacetoxydinor-5α-cholan-22-carbonsaeuremethylester