(2R,3R,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-3,4-dihydro-2H-pyran-5-carbaldehyde 、
5-氨基-1H-1,2,4-三氮唑-3-羧酸甲酯 在
溶剂黄146 作用下,
反应 0.33h,
以86%的产率得到methyl 6-[(1R,2S,3R)-3-hydroxy-1,2,4-tris(phenylmethoxy)butyl]-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate