Acetic acid (1R,3aS,3bS,5R,5aS,10aR,10bS,12aR)-1-((R)-1,5-dimethyl-hexyl)-10a,12a-dimethyl-6-oxo-octadecahydro-cyclohepta[a]cyclopenta[f]naphthalen-5-yl ester 在
溴 、
溶剂黄146 作用下,
生成 Acetic acid (1R,3aS,3bS,5R,5aS,7R,10aR,10bS,12aR)-7-bromo-1-((R)-1,5-dimethyl-hexyl)-10a,12a-dimethyl-6-oxo-octadecahydro-cyclohepta[a]cyclopenta[f]naphthalen-5-yl ester