This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.

摘要提供了一种环境友好成工艺制备香料邻氨基苯甲甲酯。

Objective: To study the simple synthetic methods of chloromethyl pivalate.

目探讨成氯甲酯简便工艺方法。

The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).

红外光谱检测解聚产物是纯度很高对苯二甲二甲酯（DMT）单体和乙二醇。

Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.

从茴香油生产茴香醛废渣、废液中提取副产品茴香，成茴香甲酯。

Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.

以氯化亚矾及均苯四甲酐为主要原料通过酰氯法成了对位均苯二甲酯二酰氯。

Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).

而许多常用漱口药水则含有芳香油，包括薄荷脑、桉叶醇以及柳甲酯（冬青油）。

(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.

采用本实验室筛选到酿酒酵母LH1催化苯甲酰甲甲酯不对称成(R)-(-)-扁桃甲酯。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细化学品及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酯类、酰氯类、碳酯类化物。

It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.

确定以硫二甲酯为N——甲基化剂,对对氨基苯甲PABA进行N——二甲基化.

The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.

介绍用甲醇醇解法把聚酯或共聚酯解聚成二元二甲酯和二元醇。

The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.

概述了4-羟基香豆素成方法，重点介绍了苯酚法，乙酰水杨法，水杨甲酯法，邻羟基苯乙酮法。

The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研究了碳丙烯酯和甲醇经酯交换制备碳二甲酯催化剂及反应工艺条件。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇反应产物包括乙醛，乙乙酯，乙甲酯，缩醛等一系列有害物质。

Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.

成了带双羟烷基及双甲甲酯基取代两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)衍生物及其它们与TCNQCT-络物。

It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰氯甲酯，然后硫氰氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。

P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.

由对羟基苯乙酮与氯乙甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新希夫碱。

Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.

以丙烯、丙烯丁酯和甲基丙烯甲酯为单体,采用自由基聚法制备了聚丙烯卷材涂料前驱成膜物,获得了适宜制备工艺条件。

The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.

谷氨甲酯均聚物碱解较快，而谷氨苄酯均聚物与稀碱在室温下反应很小。

Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .

研究了脂肪油衍生化、三氟化硼、硫3种不同方法对脂肪油皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪成分进行了鉴定和分析。

Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.

以7-乙基色醇和3-氧代甲酯为起始原料,以甲醇为溶剂,成了依托度.采用混溶剂对粗品进行精制,得到了高纯度依托度.