5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(N'-hydroxycarbamimidoyl)isoxazole-3-carboxamide 、
丙酰氯 以to afford the intermediate compound 5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-ethyl-1,2,4-oxadiazol-3-yl)isoxazole-3-carboxamide (58 mg, 0.10 mmol) in a yield of 67%的产率得到5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-ethyl-1,2,4-oxadiazol-3-yl)isoxazole-3-carboxamide