5-甲基-1,3,5-三嗪-2-硫酮 、
3-溴-4-(4-氯苯基)-4-氧丁酸 以
甲醇 、 solvent 为溶剂,
反应 1.0h,
以gave 7-carboxymethyl-6-(p-chlorophenyl)-6-hydroxy-3-methyl-3,4,6,7-tetrahydro-2H-thiazolo[3,2-a]-s-triazine hydrobromide as a pale yellow solid (9.6 g), m.p. 111°-113° C.的产率得到7-carboxymethyl-6-(p-chlorophenyl)-6-hydroxy-3-methyl-3,4,6,7-tetrahydro-2H-thiazolo[3,2-a]-s-triazine hydrobromide