(5R,6R,8S,9S,10R,13S,14S)-6-[dimethyl(phenyl)silyl]oxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one 以
乙腈 为溶剂,
生成 2-[(3aS,5aS,6R,7R,8R,9aS,9bS)-8-[dimethyl(phenyl)silyl]oxy-6-ethenyl-3a,6-dimethyl-2,3,4,5,5a,7,8,9,9a,9b-decahydro-1H-cyclopenta[a]naphthalen-7-yl]acetaldehyde 、 3-[(3aS,5aS,6R,8R,9aS,9bS)-8-[dimethyl(phenyl)silyl]oxy-3a,6-dimethyl-7-methylidene-1,2,3,4,5,5a,8,9,9a,9b-decahydrocyclopenta[a]naphthalen-6-yl]propanal