(1aR,4aR,4bS,6aR,7R,9aS,9bS,10aS)-7-((R)-1,5-Dimethyl-hexyl)-4a,6a-dimethyl-1,1a,4b,5,6,6a,7,8,9,9a,9b,10-dodecahydro-4aH-cyclopenta[a]cyclopropa[j]fluoren-2-one 在
sodium tetrahydroborate 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
生成 (1aR,2S,4aR,4bS,6aR,7R,9aS,9bS,10aS)-7-((R)-1,5-Dimethyl-hexyl)-4a,6a-dimethyl-1,1a,2,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-cyclopenta[a]cyclopropa[j]fluoren-2-ol