(2S,3R,4R,5S)-2-((1aR,3aR,5aS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-5-methyl-7-trimethylsilanyl-hept-6-yne-3,4-diol 在
platinum(IV) oxide potassium fluoride 、
氢气 作用下,
生成
(2S,3R,4R,5S)-2-((1aR,3aR,5aS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-5-methyl-heptane-3,4-diol