A process for the preparation of an S-alkyl ester of an N-alkyl carbamothioic acid having the formula: ##STR1## wherein R and R.sub.2 are each an alkyl group and R.sub.1 is hydrogen or alkyl, which includes refluxing the corresponding alkyl ester of N-alkyl thiocarbamio acid having the formula I ##STR2## wherein R and R.sub.2 are each alkyl and R.sub.1 is hydrogen or alkyl, in the presence of an acid catalyst selected from the group consisting of iodine and sulfuric acid.
一种制备N-烷基
氨基甲酸硫代酯的S-烷基酯的方法,其
化学式为:##STR1## 其中R和R.sub.2均为烷基,R.sub.1为氢或烷基,包括在
碘和
硫酸的酸性催化剂存在下,回流相应的N-烷基
硫代
氨基甲酸烷基酯I的步骤:##STR2## 其中R和R.sub.2均为烷基,R.sub.1为氢或烷基。