ethyl 3-(5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-3-(ethylcarbamoyl)isoxazol-4-yl)-1,2,4-oxadiazole-5-carboxylate 、
乙胺 、
甲醇 以to afford the intermediate compound 3-(5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-3-(ethylcarbamoyl)isoxazol-4-yl)-N-ethyl-1,2,4-oxadiazole-5-carboxamide (30 mg, 0.05 mmol) in a yield of 99%的产率得到3-(5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-3-(ethylcarbamoyl)isoxazol-4-yl)-N-ethyl-1,2,4-oxadiazole-5-carboxamide