2-氟苯基异氰酸酯 、 (R)-methyl 2-(3-(4-aminophenyl)isoxazole-5-carbothioamido)-3-methylbutanoate 在
(R)-methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-thiocarbonylamino)-3-methylbutanoate 作用下,
以to yield 65% of the title compound的产率得到(R)-methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-thiocarbonylamino)-3-methylbutanoate