2-(3-Ethynylphenyl)-1,3-dioxolane 、
4-二氟甲氧基碘苯 在
silica gel 作用下,
以to give 2-(3-{[4-(difluoromethoxy)phenyl]ethynyl}phenyl)-1,3-dioxolane as a yellow oil (7.9 g, 85% yield), MS m/e (M+H)+ 317的产率得到2-(3-{[4-(difluoromethoxy)phenyl]ethynyl}phenyl)-1,3-dioxolane