5-甲基-1,3,5-三嗪-2-硫酮 、
3-溴-4-氧代-4-苯基丁酸 以
甲醇 、 solvent 为溶剂,
反应 3.0h,
以gave 7-carboxymethyl-6-hydroxy-3-methyl-6-phenyl-3,4,6,7-tetrahydro-2H-thiazolo[3,2-a]-s-triazine hydrobromide quarter hydrate as a pale yellow solid (8.8 g), m.p. 74°-77° C.的产率得到7-carboxymethyl-6-hydroxy-3-methyl-6-phenyl-3,4,6,7-tetrahydro-2H-thiazolo[3,2-a]-s-triazine hydrobromide