5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-mercapto-1,2,4-oxadiazol-3-yl)isoxazole-3-carboxamide 、
碘甲烷 以to afford the intermediate compound 5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-(methylthio)-1,2,4-oxad iazol-3-yl)isoxazole-3-carboxamide (45 mg, 0.08 mmol) in a yield of 73%的产率得到5-(2,4-bis(benzyloxy)-5-isopropylphenyl)-N-ethyl-4-(5-(methylthio)-1,2,4-oxadiazol-3-yl)isoxazole-3-carboxamide