Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

以杂多
为催化剂采用酯化法合成丙二醇单乙醚乙
酯。
Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

以杂多
为催化剂采用酯化法合成丙二醇单乙醚乙
酯。
Chemical modification including oxygenation, esterify, graft copolymerization and so on.
化学改性主要有氧化、交联、酯化
接枝共聚。
The synthetic principle and the process method of diglycol dioleate were discussed in this paper.
本文探讨了一缩二乙醇油
双酯酯化反应的合成
理及其工艺操作方法。
Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.
糖酯类物质是由甘油二酯
糖结合未酯化的羟基形成的。
Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫
与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。
Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.
方法以克拉霉素为起始
料,经水解、乙酰化、环碳
酯化、氧化、脱碳
酯化、酰化、环氨基甲
酯化
环合等反应合成目标化合物。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二
酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二
桂醇甘醇酯(SGF)。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温
,合成收率通常较高。
The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯乙

丙醇为
料,磷钨
铝作催化剂进行酯化反应,合成氯乙
丙酯。
The oxidation,displacement and esterification of aromatic amines,aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed.
综述了过硼
钠与芳胺、芳酰胺、有机硼化物、醛等化合物的氧化,取代、酯化反应。
A planar tetradentate dinuclear ligand, 3, 5-bis(2-pyridyl) pyrazole, was synthesized by a three-step reaction of esterification, condensation and addition.
以2-吡啶甲
为
料,经酯化、缩合、加成合成了平面四齿双核配体3,5-二(2-吡啶基)吡唑。
The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.
以一氯丙酮、甲
钠
甲醇为
料经酯化与醇解两步反应合成羟基丙酮,研究了反应条件对相转移催化酯化以及醇解反应蒸馏过程的影响。
Diester,diimide and dipeptide mimic compounds were synthesized by conjugated the amino groups and acid groups with diols or diacids links.
通过酯化、酰胺反应由不同的二醇或二
连接加巴喷丁
普瑞巴林合成二酯、酰胺、拟肽类等化合物。
In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.
报道了以对羟基苯乙
为
料,经过苄基化、酯化、还
、甙化等步骤合成红景天甙的一种方法.
Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
用硫
氢钾催化肉桂
与
丙醇的酯化反应,合成了肉桂
丙酯。
Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.
以乙烯酮
丙酮为
料,用强
性离子交换树脂代替浓硫
作为催化剂,直接酯化合成乙酰丙酮的中间体乙
丙烯酯。
The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.
以二氯乙烷与植物油脂肪
等为
料,通过氨解、酯化、羟甲基化缩合反应制得氨基
类咪唑啉型两性表面活性剂。
A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.
以重氮甲烷为酯化剂,用气相色谱法对氯乙
生产的中控分析进行了研究。
It is possible to predict and controll the conversion rate of esterifications such as acrylic acid with dodecanol,tetradecanol and hexadecanol by this equation.
该回归方程在自变量的回归范围内适用于丙烯
与十二醇、十四醇、十六醇酯化转化率的预测
控制上。
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的化合物3,14,16为模板,对它们的3位羧基进行了酯化反应合成了4个喹诺酮酯类化合物:化合物22—25。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。