(3Ar,4s,7ar)-7a-methyl-1-[1-(5,5,5-trifluoro-4-hydroxy-4-trifluoromethyl-pent-2z-enyl)-cyclopropyl]-3a,4,5,6,7,7a-hexahydro-3h-inden-4-ol 、
Cornforth reagent 在
silica gel 、
乙酸乙酯 、
正己烷 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
以to give a crude (3aR,7aR)-7a-Methyl-1-[1-(5,5,5-trifluoro-4-hydroxy-4-trifluoromethyl-pentenyl)-cylopropyl]-3a,4,5,6,7,7a-hexahydro-3H-inden-4-one (600 mg, 1.51 mmol, 98%)的产率得到(3Ar,7ar)-7a-methyl-1-[1-(5,5,5-trifluoro-4-hydroxy-4-trifluoromethyl-pentenyl)-cyclopropyl]-3a,4,5,6,7,7a-hexahydro-3h-inden-4-one