(1R,3aS,3bS,6aS,8S,10aR,10bS,12aR)-1-((R)-1,5-Dimethyl-hexyl)-8-methoxy-10a,12a-dimethyl-tetradecahydro-5-oxa-benzo[3,4]cyclohepta[1,2-e]indene-4,6-dione 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以90%的产率得到(1R,3aS,3bS,6aS,8S,10aR,10bS,12aR)-1-((R)-1,5-Dimethyl-hexyl)-8-methoxy-10a,12a-dimethyl-hexadecahydro-5-oxa-benzo[3,4]cyclohepta[1,2-e]inden-6-one