5-[(4-fluorobenzyl)oxy]-3-hydroxy-2-(2-methyl-2H-[1,2,4]triazole-3-yl)-4H-1-benzopyrane-4-one-7-carboxylic acid methyl ester 在
三乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.5h,
以95%的产率得到5-[(4-fluorobenzyl)oxy]-3-methoxymethoxy-2-(2-methyl-2H-[1,2,4]triazol-3-yl)-4H-1-benzopyran-4-one-7-carboxylic acid methyl ester