Synthesis of methyl glycolate with solid superacid as catalyst;
固体超强酸催化合成乙醇酸甲酯
The effects of reaction temperature,reactants ratio,catalyst dosage and reaction time on the yields of methyl glycolate (MG) and methyl methoxy acetate (MMAc) were examined.
在釜式反应器中研究了硫酸氢钠催化甲醛和甲酸甲酯的偶联反应,考察了反应温度、原料配比、催化剂用量、反应时间等因素对乙醇酸甲酯和甲氧基乙酸甲酯收率的影响,得到最佳反应条件为:反应温度160℃、反应物料配比n(甲醛)∶n(甲酸甲酯)=0。
The application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated.
选取不同酸强度的催化剂硫酸、三氟甲烷磺酸、硫酸氢钠和硫酸氢钾,研究了酸催化剂在甲醛与甲酸甲酯偶联合成乙醇酸甲酯和甲氧基乙酸甲酯反应中的作用。
Theoretical research on structure and nature of methyl glycollate
乙醇酸甲酯结构和性质的理论研究
Effects of reaction temperature,reaction time,reactant ratio,and catalyst dosage on yields of methyl glycollate(MG)and methyl methoxy acetate(MMAc)were investigated.
在釜式反应器中研究了氨基磺酸催化甲醛和甲酸甲酯的偶联反应,考察了反应温度、反应时间、原料配比、催化剂用量等因素对乙醇酸甲酯和甲氧基乙酸甲酯生成量的影响,得到最佳反应条件为:反应温度150~160℃、反应时间4h、反应物料配比n(甲醛)∶n(甲酸甲酯)=0。
Both standard enthalpy of formation and standard Gibbs free energy of formation of both dimethyl oxalate(DMO)and methyl glycollate was estimated by Benson group contribution method.
采用Benson基团贡献法估算得到草酸二甲酯(DMO)和乙醇酸甲酯的标准生成焓和标准生成吉布斯自由能,结合其他已知的热力学数据计算了DMO催化加氢合成乙二醇(EG)反应中所涉及的反应焓变、反应熵变、反应吉布斯自由能变和反应的化学平衡常数。
The energy profiles of eight reactions on the ground-state S-methyl thioacetate are investigated by using B3LYP and MP2 methods in combination with 6-31G~(**) basis set.
运用B3LYP和MP2方法在6-31G**水平上对基态乙酸甲硫醇酯单分子反应机制进行了理论研究。
INFLUENCE OF ADDITIVE COBALT COMPOUNDS ON THE COUPLING REACTION OF ROFMALDEHYDE AND METHYL FORMATE TO FORM METHYL GLYCOLATE
甲醛与甲酸甲酯偶联合成乙醇酸甲酯及钴助剂对反应性能的影响
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。
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。
methylcellosolve acetate
甲基溶纤剂乙酸酯，甲氧基乙醇乙酸酯
ethylene glycol monoemethyl ether acetate
乙二醇独甲醚乙酸酯
ethylene glycol dimethacrylate
乙二醇二甲基丙烯酸酯
polyethylene glycol terephthalate
聚对苯二甲酸乙二醇酯
ethylene terephthalate
对苯二甲酸乙二[醇]酯
EMGP (Ethylmethylglycol Phthalate)
邻苯二甲酸乙基甲基乙二醇酯
Catalytic Synthesis of Ethylene Glycol Diacetate with ρ-Toluene Sulpthonic Acid;
对甲苯磺酸催化合成二乙酸乙二醇酯
Synthetic Process of ethyl 2-(2-ethoxy-2-oxoethoxy)-propionate
α-甲基-缩二乙醇酸二乙酯的合成研究
oligoterephthalic acid glycol ester
对苯二甲酸乙二醇酯低聚物
triethylene glycolbismethyl-acrylate
二缩三乙二醇双甲基丙烯酸酯
Synthesis of Methacrylate Polyglycol(400) Monoester
甲基丙烯酸聚乙二醇(400)单酯的合成
Synthesis of Diethyl Carbonate from Ethyl Carbamate and Ethanol over Lead Oxide Catalyst
氧化铅催化氨基甲酸乙酯与乙醇合成碳酸二乙酯
Study on Direct Esterification of PTA with BG and EG
对苯二甲酸与丁二醇和乙二醇直接酯化的研究
Synthesis of Diethylene Glycol Dimethacrylate by Transesterification
酯交换法合成一缩二乙二醇双甲基丙烯酸酯
The Synthesis of Diethylene Glycol Binary m-Methyl Benzoate Plasticizer
二乙二醇二间甲基苯甲酸酯增塑剂的合成
