[3,5-bis(trifluoromethyl)phenyl]methyl 5-[(E)-2-methyl-4-prop-2-enoxybut-2-enoxy]-2-oct-7-ynoxybenzoate                                                                                                                                                              在
                                                                                                                                         Grubbs-Hoveyda second-generation catalyst                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                生成                                                 [3,5-bis(trifluoromethyl)phenyl]methyl 4-methyl-6-methylidene-2,13-dioxabicyclo[12.2.2]octadeca-1(16),4,14,17-tetraene-15-carboxylate   、