3-[(E)-6-(5-methoxy-1-cyclohexenyl)-3-methyl-3-hexenyl]-3-methyl-1-cyclopentenyl trimethylsilyl ether                                                                                                                                                              在
                                                                                                                                                                                 
9,10-二氰基蒽                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (+/-)-(3aR,3bR,5aR,7S,9aR,9bS,11aR)-7-methoxy-9b,11a-dimethylhexadecahydro-3H-cyclopenta[a]phenanthren-3-one   、                                                                                             (+/-)-(3aR,3bR,5aR,7R,9aR,9bS,11aR)-7-methoxy-9b,11a-dimethylhexadecahydro-3H-cyclopenta[a]phenanthren-3-one   、                                                                                             (+/-)-(3aS,3bR,5aR,7R,9aR,9bS,11aS)-7-methoxy-9b,11a-dimethylhexadecahydro-3H-cyclopenta[a]phenanthren-3-one   、                                                                                             (+/-)-(3aS,3bR,5aR,7S,9aR,9bS,11aS)-7-methoxy-9b,11a-dimethylhexadecahydro-3H-cyclopenta[a]phenanthren-3-one