甲醇钠

氨基葡萄糖盐酸盐先与甲醇钠反应生成氨基葡萄糖碱，再与三氧化硫反应，得白色粉末状产品。

The glucosamine hydrochloride reacted with sodium methylate to produce glucosamine base .

首先采用三氟化硼-10-乙醚络合物与甲醇钠反应生成硼-10酸三甲酯，之后水解合成硼-10酸。

The steps were as follows : trimethyl borate-10 was synthesized from boron-10 trifluoride-ether complex and sodium methylate , which was hydrolyzed to synthetize boric-10 acid .

利用XRD为主要检测手段研究了甲醇钠的质量分数、反应温度等因素对反应的影响。

We investigated relationships between the reaction and concentration of sodium methoxide or temperature by XRD analysis .

以三乙胺和甲醇钠为活性碱组分，以A，X和Y型分子筛及硅胶和有机高聚物担体为载体制备了负载型碱性催化剂。

The supported alkaline catalysts were prepared using triethylamine and sodium methoxide as active components and using A , X and Y type molecular sieves , silica and organic polymer carriers as supports .

羟基苯甲醛在氧化剂存在下溴化生成3，5－二溴－4－羟基苯甲醛，后者用氯化亚铜作催化剂，在DMF溶剂中与甲醇钠反应，生成丁香醛。

Hydroxybenzaldehyde was brominated in the presence of sodium chlorate to 3,5 dibromo 4 hydroxybenzaldehyde , which reacted with sodium methoxide in the presence of cuprous chloride to give syringaldehyde .

DBN的活性比同温同压下甲醇钠催化剂的高2.5倍。

The activity of DBN catalyst was 2.5 times greater than that of sodium methoxide catalyst under the same conditions .

报道环氧丙烷（PO）助催的甲醇钠催化剂体系用于甲醇的液相催化羰基化制取甲酸甲酯（MF）反应。

The catalytic system propylene oxide ( PO ) promoted sodium methoxide ( MeONa ) used for methanol carbonylation to methyl formate ( MF ) in the liquid phase has been studied and reported .

本文采用4-氨基-1，2，4-三唑为胺化剂，在甲醇钠和二甲基亚砜中对硝基苯、间硝基苯甲酸、对硝基苯甲酸进行VNS直接胺化来合成芳胺。

In this paper , Nitrobenzene , m-Nitrobenzoic acid , p-Nitrobenzoic acid were aminated by Vicarious Nucleophilic Substitution of hydrogen , using 4-amino-1,2,4-triazole in sodium methoxide and dimethylsulfoxide at normal temperature and pressure .

以氨基葡萄糖盐酸盐为原料，通过甲醇钠方法制备氨基葡萄糖硫酸钠盐。

A method for preparing glucosamine sulfate sodium from glucosamine hydrochloride was described .

微量滴定法测定甲醇钠含量及其在四氢呋喃中的溶解度

Determination of Content of Sodium Methoxide and Its Solubility in Tetrahydrofuran by Micro-titration

甲醇钠引发的环氧乙烷开环聚合反应过程

Ring-Opening Polymerization of Ethylene Oxide Initiated by Sodium Methoxide

四丁基溴化铵和甲醇钠构成该反应的双组份催化剂。

Tetrabutyl ammonium bromide and sodium methoxide were used as catalyst for the reaction .

甲醇钠和甲酸钠的化学分析

Chemistry analysis of sodium methoxide and sodium formate

碱法甲醇钠的生产属于化工行业，在生产中有许多危险因素。

The alkaline process of sodium methoxide of chemical industry has many hazardous factors .

甲醇钠催化的α-羟基异丁酰胺与甲酸甲酯的交换反应

The Exchange Reaction of α - Hydroxyisobutyric Acid Amide and Methyl Formate Catalyzed by Sodium Methoxide

利用金属钠制备甲醇钠的生产工艺

Preparation of Sodium Methylate with Sodium

超声波作用下甲醇钠催化废煎炸油合成生物柴油的研究

Bio-diesel-oil Production from Waste Frying Oil Catalyzed by CH_ ( 3 ) ONa under Ultrasound Irradiation

利用甲醇钠强烈的夺氢作用，介绍了一种制备插层和无定形高岭土的方法。

A new method of preparing intercalated and amorphous kaolinite with sodium methoxide was introduced in this article .

并对抚顺市化工研究设计院600t/a金属钠法合成甲醇钠装置项目进行了概算，同时计算了装置的税收及利润，最后分析了企业的盈利能力和偿债能力。

Budgetary estimate for the 600 t / a synthesizing sodium methoxide with metal sodium , revenue and profit were calculated .

探讨了在甲醇钠作用下，氧化锌催化尿素醇解的影响因素。

In the function of sodium methoxide , several factors effecting on alcoholysis of urea by zinc oxide catalyst were obtained .

采用甲醇钠催化异丁醛与草酸二乙酯反应，一釜法合成了3-甲基-2-氧代丁酸钠。

By reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst , 3-methyl-2-oxobutanoic acid , sodium salt was prepared by one pot .

结果表明，最佳反应温度73.7℃、反应时间2.1h、甲醇钠用量0.51%（W/W）。

The results showed that the optimal esterifying temperature was 73.7 ℃, esterifying time was 2.1 h , sodium methoxide dosage was 0.51 % .

甲醇钠催化体系下化学法与超声法对提高脂肪酸甲酯化度影响的研究

Study on Influences of Improving the Conversion Degree of Fatty Acid Methyl Ester by Using Chemical and Ultrasonic Methods in the NaOCH_3 Catalyzed System

比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。

Compared with the activity of sodium methoxide , sodium ethoxide , sodium isopropyl , sodium tert-butoxide , The best base catalyst was sodium tert-butoxide .

通过3种不同的碱来制备2，4－二氯－5－氟苯甲酰乙酸甲酯，优选得到了其最佳缩合剂甲醇钠；

Methyl α - ( 2,4-dichloro-5-fluorobenzoyl ) acetate (ⅰ) was prepared by using three kinds of bases as condensating agent and the best one was obtained .

以甲醇钠代替氢化钾作为缩合剂，以盐酸乙醇代替氯化氢气体，以甲苯代替乙醚，对此工艺进行了改进。

Replacement of potassium hydride by sodium methoxide , replacement of hydrogen chloride by HCl-ethanol , and replacement of ether by toluene were in the improved procedure .

介绍了以甲醇钠甲醇溶液与氯仿为原料，采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。

An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author .

近年，国内医药、农药对甲醇钠需求量持续增加，因此甲醇钠生产的扩建已经是势在必行。

In recent years , the demand for sodium methoxide has been increasing in medicine and pesticide in China , so the expansion of sodium methoxide production is imperative .

结果及结论适宜的反应条件为1-甲基-1-氨基硫脲、草酸二乙酯、甲醇钠的量（摩尔）比例为10∶11∶20，其收率可达60%。

Results and conclusions The proportion of 1-methyl-1-thiosemicarbazide , oxalic diacetate and sodium methoxide was 1.0 ∶ 1.1 ∶ 2.0 , and the yield was 60 % under the suitable reaction condition .

以单一甲醇钠作为催化剂通过甲醇羰基合成甲酸甲酯，存在催化剂活性不高、易失活、寿命短等问题。

Synthesis of methyl formate ( MF ) by carbonylation of methanol with only sodium methoxide as catalyst exists some shortages , such as low activity , rapid loss of activity and short catalyst life .