The effect of different reaction conditions, such as catalyst concentration, molar ratio of reactants, reaction temperature, reaction time, on the coupling reaction of trioxane and methyl formate synthesizing methyl glycolate and methyl methoxy acetate using sulfuric acid as catalyst has been studied. Through the analysis for the yield of products and system pressure, and comparison with other different acidity catalysts, we considered that the activation of formaldehyde was the control step of reaction rate to the...
以硫酸为催化剂，研究了三聚甲醛与甲酸甲酯偶联合成乙醇酸甲酯和甲氧基乙酸甲酯的反应中，催化剂浓度、原料配比、反应温度、反应时间等条件对反应过程的影响，通过对产物收率和系统压力变化的分析，并结合与其它不同酸强度催化剂的对比，得到甲醛的活化是偶联反应的速率控制步骤，催化剂的酸强度决定其对甲醛的活化能力，是影响偶联反应的主要因素。
It is pointed that the routes of dimethyl oxalate hydrogenation and solid acid catalysis of methyl formate and formaldehyde could be the environmentally friendly and economically attractive alternatives to existing method for industrial production of methyl glycolate.
指出草酸二甲酯催化加氢法和以甲酸甲酯和甲醛为原料的固体酸催化法是有吸引力的环境友好的经济路线。
Methyl glycolate can be used as raw material for the synthesis of some important organic chemicals and good solvent.
乙醇酸甲酯是重要的有机原料和优良的溶剂。
This paper systematically introduces the properties of methyl glycolate, especially the synthesis methods of methyl glycolate and its application in organic synthesis.
本文介绍了乙醇酸甲酯的性质，乙醇酸甲酯的合成方法及其在有机合成中的应用。
Acid catalyst and H + catalysis in the acid catalysts were studied for synthesis of methyl glycolate via coupling of methyl formate and trioxane in a microform high-pressure autoclave (120mL).
在微型高压反应釜中（120ml），考察了酸催化三聚甲醛和甲酸甲酯制备羟基乙酸甲酯的偶联反应，并对酸催化剂中H+的作用进行了研究。
Methyl glycolate (MG) is an important chemical intermediate.
乙醇酸甲酯（MG）是一种重要的化工中间体。
Catalytic performances of various acid catalysts for coupling of methyl formate with formaldehyde to form methyl glycolate (MG) and methoxy methyl acetate (MMAc) have been investigated in a portable autoclave.
在釜式反应器中研究了甲醛和甲酸甲酯偶联生成乙醇酸甲酯及甲氧基乙酸甲酯反应的各种酸催化剂的性能。
Synthesis of methyl glycolate by coupling methyl formate with trioxane ⅲ. Exploration of carbonyl reaction mechanism
甲酸甲酯与三聚甲醛合成乙醇酸甲酯Ⅲ.羰化反应机理的初步探索
Synthesis of methyl glycolate by coupling of methyl formate with trioxane I. Study of optimum reaction conditions with sulphuric acid as catalyst Objective: The extracting procedures of tanshinones ⅱ _A with ethanol.
甲酸甲酯与三聚甲醛偶联合成乙醇酸甲酯Ⅰ.硫酸催化反应条件优选目的：优选丹参中丹参酮ⅡA的醇提工艺。
Studies on the h~+ catalysis for the synthesis of methyl glycolate
H~+在羟基乙酸甲酯合成中的催化作用研究