[3,5-Bis(trifluoromethyl)phenyl]methyl 2-hex-5-enoxy-5-pent-4-ynoxybenzoate 在
Grubbs-Hoveyda second-generation catalyst 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以59%的产率得到[3,5-bis(trifluoromethyl)phenyl]methyl (7E)-6-methylidene-2,13-dioxabicyclo[12.2.2]octadeca-1(16),7,14,17-tetraene-15-carboxylate