(E)-(S)-[5-(5-hydroxy-3-methylpent-3-enyl)-2-isopropyl-5-methylcyclopent-1-enyl]propynoic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 cyclopentadienylruthenium(II) trisacetonitrile hexafluorophosphate   、                                                                                                  
N,N-二甲基甲酰胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
丁酮                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 (5R)-[5-(3-hydroxy-3-methylpent-4-enyl)-2-isopropyl-5-methylcyclopent-1-enyl]propynoic acid methyl ester   、                                                                                             (Z)-[(5S,7aR)-3-isopropyl-5,7a-dimethyl-5-(2-oxoethyl)-1,2,5,6,7,7a-hexahydroinden-4-ylidene]acetic acid methyl ester   、                                                                                             (E)-[(5S,7aR)-3-isopropyl-5,7a-dimethyl-5-(2-oxoethyl)-1,2,5,6,7,7a-hexahydroinden-4-ylidene]acetic acid methyl ester