4-氨基-1H-咪唑-5-羧酸乙酯 、
4,4,4-三氟-1-[4-(三氟甲基)苯基]丁烷-1,3-二酮 在
crude product 、 silica gel 、 ethyl acetate heptane 、 diethyl acetate hexane 作用下,
以
溶剂黄146 为溶剂,
反应 24.0h,
以to yield 4-trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidine-8-carboxylic acid ethyl ester (5.65 g, 43%) as a yellow solid的产率得到4-trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidine-8-carboxylic acid ethyl ester