Disclosed is a method for synthesizing a S-(-)-benzoylmercapto-2-methylpropanoic acid compound, comprising hydrolyzing S-(-)-3-acetylmercapto-2-methylpropanoic acid represented by formula (II) as a raw material in a reaction solvent to obtain S-(-)-3-mercapto-2-methylpropanoic acid represented by formula (III), followed by condensing with benzoyl chloride to obtain S-(-)-benzoylmercapto-2-methylpropanoic acid represented by formula (I). The method of the present application is simple to implement, and the raw and auxiliary materials are cheap and readily available. The reaction conditions are mild, the yield is high, and the quality is high.
本发明公开了一种合成 S-(-)-苯甲酰基巯基-2-甲基
丙酸化合物的方法,包括在反应溶剂中
水解以式 (II) 代表的 S-(-)-3-乙酰基巯基-2-甲基
丙酸为原料,得到以式 (III) 代表的 S-(-)-3-巯基-2-甲基
丙酸、然后与
苯甲酰氯缩合,得到式(I)代表的 S-(-)-苯甲酰巯基-2-甲基
丙酸。本申请的方法简单易行,原辅材料便宜易得。反应条件温和,产率高,质量好。