Acetic acid (1aR,4aR,4bS,6aR,7R,9aS,9bS,10aS)-7-((R)-1,5-dimethyl-hexyl)-4a,6a-dimethyl-1,1a,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-cyclopenta[a]cyclopropa[j]fluoren-2-yl ester 在
溴 作用下,
以
四氯化碳 为溶剂,
生成
(1aR,3R,4aR,4bS,6aR,7R,9aS,9bS,10aS)-3-Bromo-7-((R)-1,5-dimethyl-hexyl)-4a,6a-dimethyl-tetradecahydro-cyclopenta[a]cyclopropa[j]fluoren-2-one