In a microwave reactor, the biological diesel oil is prepared from an acid esterification-alkali ester exchange two-step method.
在微波反应器中以酸酯化-碱酯交换两步法制备生物柴油。
Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.
本文介绍了羧酸酯化反应催化剂的研究进展。
The esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.
本文研究了不同糖脂化合物修饰的脂肪酶在有机溶剂中催化长碳链脂肪酸和脂肪醇的酯化反应。
Taking the synthesis of butyl acetate by the catalytic esterification of acetic acid and butanol as a probe reaction, a series of studies on the preparation of the catalyst and its activity was made.
以乙酸和正丁醇催化酯化合成乙酸丁酯为探针反应，对氧化铌负载型催化剂的制备与催化活性进行了一系列研究，得出了优惠工艺条件。
The esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.
用新型磷酸铝分子筛和硅磷酸铝分子筛作催化剂，对丙酸和正戊醇液—固相酯化反应进行了研究。
Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.
用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸苄酯。
The structural character of zeolite solid acid and zeolite solid-Superstrong acid and their application in esterification reaction systems are presented.
介绍了沸石分子筛固体酸和固体超强酸的结构特征及其在酯化反应体系中的应用。
This test proved that preparation of phosphoric ester is feasible by phosphoric acid direct esterification.
实验表明，磷酸直接酯化法制取磷酸辛酯是可行的。
Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
以十二烷基苯磺酸为催化剂，酸醇直接酯化合成没食子酸正辛酯。
Sodium bisulfate can be used as catalyst for the esterification instead of sulphuric acid.
用硫酸氢钠代替硫酸作为酯化催化剂。
The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果，并讨论了该酯化反应的最佳条件。
Fatty acid methyl esters were prepared by esterification in a fixed bed reactor from methanol and fatty acids in palm oil deodorizer distillate (PODD) using a cation exchange resin as catalyst.
以强酸性阳离子交换树脂为催化剂，经过自制的固定床反应器，使棕榈油脱臭馏出物(PODD)中的脂肪酸与甲醇起酯化反应，合成脂肪酸甲酯。
The factors effecting the melt direct esterification and normal solvent direct esterification of acrylic acid and octadecyl alcohol were investigated.
采用两种酯化方法制备了丙烯酸十八酯，研究了影响酯化反应的因素。
The direct esterification of acetic acid with benzyl alcohol by use of polystyrene supported aluminium trichloride as the catalyst.
采用聚苯乙烯负载三氯化铝为催化剂，对醋酸和苄醇的酯化反应进行了研究。
Results show that catalytic activity of lactic acid and aluminium esterification rate of lactic acid is high under optimum condition.
结果表明：磷钨酸和磷钨酸铝对乳酸和正丁醇的酯化反应具有较好的活性，在适当条件下，乳酸具有较高的酯化率。
Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.
依据实验结果，提出了固体酸催化剂作用下的液相酯化反应机理。
By analysis of the production of polyethylene terephthalate (PET), the adjustment and effect of esterification process using purified terephthalic acid (PTA) purchased outside were discussed.
通过对聚对苯二甲酸乙二醇酯(PET)生产的分析，论述了当使用外购精对苯二甲酸(PTA)时，酯化工艺的调整及效果。
The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.
以辛醇和从二羧酸中分离出的戊二酸为原料，硫酸为催化剂，酯化合成了戊二酸二辛酯。
The esterification mechanism of unsaturated carboxylic acid was analyzed.
分析了不饱和羧酸酯化反应的机理。
The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.
化学方法包括酸洗法、皂化法、酰化法和酯化法等。
Sodium bisulfate can be used as a catalyst for esterification instead of sulphuric acid.
硫酸氢钠能够代替硫酸作为酯化作用的催化剂。
The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.
考察了乙二醇单甲醚和冰乙酸摩尔比及催化剂用量对酯化率的影响。
Ferric chloride can be ased as catalyst for the esterification instead of Sulphuric acid.
氯化铁能够代替硫酸作为酯化作用的催化剂。
Firstly, indoline - 3 - acetamide ( 9) was prepared from indole - 3 - acetic acid by catalytic hydrogenation, esterification and aminolysis.
吲哚-3-乙酸经催化氢化，甲酯化和氨解反应得到吲哚瞒-3-乙酰胺（9）；
A kind of solid acid catalyst can be used repeatedly as esterification catalyst to synthesize iso-octyl salicylate.
选用一种能重复使用的固体酸作催化剂，复相催化合成水杨酸异辛酯。
Solid acid can be used as catalyst for the esterification instead of sulphuric acid.
固体酸能够代替硫酸作为酯化催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulfuric acid.
硫酸氢钠能够代替硫酸作为酯化催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulfuric acid.
硫酸氢钠能够代替硫酸作为酯化催化剂。
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