(6aR,11aR,11bS)-methyl 6a-(hydroxymethyl)-4,4,11b-trimethyl-7-oxo-2,3,4,4a,5,6,6a,7,8,11,11a,11b-dodecahydro-1H-cyclohepta[a]naphthalene-9-carboxylate 在
二异丁基氢化铝 作用下,
以
二氯甲烷 为溶剂,
以80%的产率得到((6aR,11aR,11bS)-7-hydroxy-4,4,11b-trimethyl-2,3,4,4a,5,6,6a,7,8,11,11a,11b-dodecahydro-1H-cyclohepta[a]naphthalene-6a,9-diyl)dimethanol