(1S,2S,4aS,4bS,5S,6R,8aR,9aS)-methyl 6-methyl-9-oxo-5-((trimethylsilyl)oxy)-2-vinyl-2,4a,4b,5,6,7,8,8a,9,9a-decahydro-1H-fluorene-1-carboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以56%的产率得到(1S,2S,4aR,4bS,5S,6R,8aR,9R,9aS)-methyl 9-hydroxy-6-methyl-5-((trimethylsilyl)oxy)-2-vinyl-2,4a,4b,5,6,7,8,8a,9,9a-decahydro-1H-fluorene-1-carboxylate