2-(dimethylphenylsilyl)-1-iodo-1-propene 、 (S)-2-((1aR,3aR,5aS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-propionaldehyde 在
正丁基锂 作用下,
生成
(Z)-(2S,3R)-5-(Dimethyl-phenyl-silanyl)-2-((1aR,3aR,5aS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-hex-4-en-3-ol