(3R,4R,5S,6S)-3,5-dimethoxy-6-methyl-4-propoxytetrahydro-2H-pyran-2-ol 、 3-(4-isocyanatophenyl)-1-(4-(perfluoroethoxy)phenyl)-1H-1,2,4-triazole 在
caesium carbonate 作用下,
以
乙腈 为溶剂,
反应 4.0h,
以6.3 g的产率得到(2S,3R,4R,5S,6S)-3,5-dimethoxy-6-methyl-4-propoxytetrahydro-2H-pyran-2-yl (4-(1-(4-(perfluoroethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)carbamate