5-甲基-1H-1,2,3-三唑-4-羧酸乙酯 、
2-丁炔酸乙酯 、
2-碘代丙烷 以to give 2-iso-propyl-5-methyl-2H-[1,2,3]triazole-4-carboxylic acid ethyl ester, 3-iso-propyl-5-methyl-3H-[1,2,3]triazole-4-carboxylic acid ethyl ester and 1-iso-propyl-5-methyl-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester的产率得到5-methyl-2-prop-2-yl-2H-[1,2,3]triazole-4-carboxylic acid ethyl ester