甲磺酸甲酯 、
1-(2-hydroxyethyl)-3,4,5,6-tetrahydropyrimidine-2-thione 以
乙醇 、
甲基叔丁基醚 为溶剂,
反应 2.0h,
以yields 145.7 g of 1-(2-hydroxyethyl)-2-methylthio-3,4,5,6-tetrahydropyrimidine mesylate, melting point 61.7°-62.2° C.的产率得到1-(2-hydroxyethyl)-2-methylthio-3,4,5,6-tetrahydropyrimidine mesylate