4-methyl-4-(3Z-hexenyl)-2-cyclohexen-1-one                                                                                                                                                              在
                                                                                                                                                                                 manganese triacetate   、                                                                                                  
copper (I) acetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 40.0h,
                                                                                                                生成                                                 (1R,5R)-5-Methyl-8-prop-(E)-ylidene-bicyclo[3.3.1]non-3-en-2-one   、                                                                                             (1R,5R)-5-Methyl-8-prop-(E)-ylidene-bicyclo[3.3.1]non-3-en-2-one   、                                                                                             (1R,5R,8R)-5-Methyl-8-((Z)-propenyl)-bicyclo[3.3.1]non-3-en-2-one   、                                                                                             (1R,5R,8R)-5-Methyl-8-((E)-propenyl)-bicyclo[3.3.1]non-3-en-2-one