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