methyl

(-)-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催化苯甲酰甲甲酯不称合成(R)-(-)-扁桃甲酯。

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，合成茴香甲酯。

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-氧代戊甲酯为起始原料,以甲醇为,合成了依托度.采用混合粗品进行精制,得到了高纯度的依托度.

As a especially effective collector for processing copper sulphide ore, methyl sulphonamide features good selectiveness and strong collection.

甲基硫氨酯作为硫化铜矿选矿的特别有效的捕收,具有选择性好、捕收力强的特性。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种化合物已从绿茶的香气中鉴别出来，其中主要的有苯甲醇、苯乙醇、已醇、沉香醇、香茅醇和甲基水杨酯。

Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.

用新的催化体系(铁-锑复合催化)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。

In addition, some organic acids with the bad breath, such as butyric acid and propionic acid, and indole, methyl indole compounds and cadaverine.

此外，一些有机也与口臭有关，如丁和，以及吲哚、甲基吲哚和尸胺等化合物。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基酰氯、甲基酐和甲基作酰化，研究了胆甲酯分子中羟基的反应活性。

The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether.

通过付氏酰基化反应引入乙酰基，接着溴化、胺化，得到标题树脂。该法避免了使用氯甲醚。

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、丁酯和甲基甲酯为单体,采用自由基聚合法制备了聚卷材涂料前驱成膜物,获得了适宜的制备工艺条件。

Methyl thioacetate was prepared by using acetyl chloride and methyl mercaptan as starting raw material in this paper.The yield of product is 69.3%.Itcan be used in seasoning flavor.

可用于各种调味香精的食用香料硫代乙甲酯的合成进行了初步研究，产率达到693％，所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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的希夫碱。

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-羟基香豆素的合成方法，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。

Objective:To explore the effects of Tripterygium wilfordii dilayer tablet on the the leukocytoplania of pleurisy caused by carboxy methyl cellulose.

探讨雷公藤双层片大鼠羧甲基纤维素囊中渗出液白细胞游走的影响。

The synthesis methods of double (three chlorine methyl) carbonate by using solvent and nonsolvent method are introduced.

给出了法和非法两种合成双(三氯甲基)碳酯的方法。

Prosthetic enzyme of mutase, catalyze reactions of group, mainly methyl, metachoresis in the interior of substrate molecule.

变位酶的辅酶，催化底物分子内基团(主要为甲基)的变位反应。

In this paper, the cedrol methyl ether was synthesized by sodamide method.

本文采用氨基钠法合成甲基柏木醚。

The cream contains escin, hesperidine, methyl chalcone and coenzyme Q10.

乳液包含包含七叶皂素、橙皮苷、甲基酮和Q10。

This article describes property, production and comprehensive manufacturing status of methyl chlorsilane, and the application and market status of derivate.

叙述了甲基氯硅烷的性质,生产及综合加工简况,并简介其衍生品的应用及市场状况。

Some new components were detected in the finished products, such as Hexanal, methyl-Cyclopentane, Heptanol, 2-Pentyl-Furan, Isophoron, and others.

阴干茶样中检测到的新增的香气成分：正己醛、甲基环戊烷、庚醇、2-正戊基呋喃、异佛尔酮。