Ethyl-(1'R,5'R)-2-Methyl-4-<4'6'6'-trimethyl-5'-(3''-oxobut-1''-enyl)cyclohex-3'-enyl>but-2-enoat                                                                                                                                                                                              以
                                                                                         
四氢呋喃   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 41.33h,
                                                                                                                生成                                                 <(1'R,5'R)-5-<5'-(3''-(Ethoxycarbonyl)but-2''-enyl)-2'6'6'-trimethylcyclohex-2'-enyl>-3-methylpenta-2,4-dienyl>triphenylphosphonium bromid