2-氨基噻唑-5-羧酸乙酯 、
(E)-2-(4-methanesulfonylphenyl)-3-(tetrahydropyran-4-yl)acrylic acid 以to give (E)-ethyl 2-[2-(4-methanesulfonylphenyl)-3-(tetrahydropyran-4-yl)acryloylamino]thiazole-5-carboxylate的产率得到ethyl 2-[2-(4-methanesulfonylphenyl)-3-(tetrahydropyran-4-yl)acryloylamino]thiazole-5-carboxylate