(1R,3aR,4S,5R,7aR)-1-[(2S)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-7a-methyl-5-(3-methylpent-4-enyl)-4-prop-2-enyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ol 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以99%的产率得到(Z)-(3R,3aR,5aR,11aS,11bR)-3-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-3a,8-dimethyl-2,3,3a,5,5a,6,7,8,11,11b-decahydro-1H,4H-cycloocta[e]inden-11a-ol