Acetic acid (1S,3aS,3bR,5aS,5bS,6R,6aR,7aR,7bS,9aS)-7a,9a-dimethyl-6-(toluene-4-sulfonyloxy)-hexadecahydro-cyclopenta[a]cyclopropa[3,4]cyclopenta[1,2-f]naphthalen-1-yl ester 在
sodium acetate 、
乙酸酐 作用下,
以
溶剂黄146 为溶剂,
生成
Acetic acid (8R,9S,10R,13S,14S,17S)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester