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

摘要提供了一种环成工艺制备香料邻氨基苯甲酸甲酯

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

目的探讨成特戊酸甲酯的简便工艺方法。

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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的对苯二甲酸二甲酯(DMT)单体和乙二醇。

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

从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,成茴香酸甲酯

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

化亚矾及均苯四甲酸酐为主要原料通过酰成了对位均苯二甲酯二酰

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

而许多常用的漱口药水则含有芳香油,包括薄荷脑、桉叶醇以及柳酸甲酯(冬青油)。

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(-)-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的酿酒酵母LH1催化苯甲酰甲酸甲酯不对称成(R)-(-)-扁桃酸甲酯

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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的开发及生产进展,包括二苯甲酮甲酯、异氰酸酯、酰酸酯物。

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

确定以硫酸二甲酯为N——甲基化剂,对对氨基苯甲酸PABA进行N——二甲基化.

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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酸二甲酯和二元醇。

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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-羟基香豆素的成方法,重点介绍了苯酚法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。

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

研究了酸丙烯酯和甲醇经酯交换制备酸二甲酯的催化剂及反应工艺条件。

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

如乙醇的反应产物包括乙醛,乙酸乙酯,乙酸甲酯,缩醛等一系列有害物质。

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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酸甲酯基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络物。

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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甲烷与硫氰化钠反应生成硫氰酸甲酯,然后硫氰酸甲酯与2-巯基苯并噻唑反应得到苯噻氰。

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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.

由对羟基苯乙酮与乙酸甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。

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

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

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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.

谷氨酸甲酯均聚物碱解较快,而谷氨酸苄酯均聚物与稀碱在室温下反应很小。

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

研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。

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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-氧代戊酸甲酯为起始原料,以甲醇为溶剂,成了依托度酸.采用混溶剂对粗品进行精制,得到了高纯度的依托度酸.

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经济学人-科技

The known syntheses are effective, and methyl formate is already cheap.

熟知的合成方法很有效,而且它很便宜。

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透视百科科技类

The catalyst breaks down the waste into its two base monomers: DMT, dimethyl terephthalate, and MEG, monoethylene glycol.

DMT,也就是,和 MEG,单乙醇。

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BBC Ideas

Other examples are methylphenidate and, for example, amphetamine.

其他例子是哌醋, 例如苯丙胺。

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DMT, dimethyl terephthalate, and MEG, monoethylene glycol.

DMT,,MEG,单乙醇。

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SciShow - Chemistry

Food scientists have an official term for the unique, concord-y flavor imparted by methyl anthranilate.

食品科学家基苯赋予的独特、和谐的风味有一个官方术语。

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The Economist?A Lexicologist!

For more than six months Americans have been struggling to get their hands on medications like dextroamphetamine (better known as Adderall) and methylphenidate (Ritalin).

六个多月以来, 美国人一直在努力获得右旋苯丙胺(俗称阿得拉)和哌醋(利他林)等药物。

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经济学人-科技

Anthony Remijan, of America's National Radio Astronomy Observatory, who is one of the astronomers putting ALMA through its paces, is studying the formation of methyl formate, a compound widely used on Earth in applications from insulation to insecticides.

美国国家射电天文台的Anthony Remijan是将ALMA引入这个方向的天文学家中的一员。他正在研究的形成过程。从绝缘体到杀虫剂,可以说地球上到处都是

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