Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide from sodium methyl sulfate residue was investigated.
根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚的方法。
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
采用一水合硫酸氢钠作为催化剂，催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。
L-Thiazolidine-2-thione-4-carboxylic acid ethyl ester was prepared from L-thiozolidine-2-thione-4-carboxylic acid and ethyl alcohol in the presence of the hydrate of ferric sulfate.
在硫酸铁水合物催化下由L- 四氢噻唑- 2- 硫酮- 4- 羧酸与乙醇反应得到L-四氢噻唑-2-硫酮-4- 羧酸乙酯。
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