以苯甲醛和正庚醛为原料，乙二醇为溶剂，在氢氧化钾催化作用下羟醛缩合合成甲位戊基桂醛。
Amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ，9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
讨论了以丙酮、丙二醇、甲醇为原料间接法制备二甲氧基丙烷的方法。
This text discussed preparation and the method of dimethoxypropane for the raw materials with the acetone, the methanol, and the glycerine.
讨论了催化剂用量、醇酸比、反应时间、反应温度等对合成富马酸二甲酯的影响。
The effects of the catalyst content, ratio of methanol to fumaric acid, reaction time and reaction temperature on the reaction were investigated.
首先以茄尼醇合成全反式侧链四十碳十烯-1-醇，再和2，3-二甲氧基-5-甲基-1，4-苯醌的还原产物在无水氯化锌存在下缩合。
All - E long chain part was synthesized from solanesol, then condensed with the reductive product of 2,3 - dimethoxy - 5 - methyl -1,4- benzoquinone in the presence of dry ZnCl2.
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。
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍了碳酸二甲酯在热塑性丙烯酸清漆、硝基清漆、醇酸清漆和聚氨酯清漆中的应用。
The application of dimethyl carbonate in thermoplasticacrylic varnish, pyroxyline varnish, alkyd varnish and PU vamish are introduced.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨，在此基础上合成了四个酮的二甲硅基双烯醇醚，产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
一种用于1,5 -戊二酸二甲酯加氢制取1,5 -戊二醇的催化剂及方法。
Catalyst and method for preparing 1, 5 pentanediol by hydrogenation of 1, 5 dimethyl glutarate.
报道了白藜芦醇关键中间体3,5二甲氧基苯甲醛的合成方法。
An improved synthetic method of 3, 5-dimethoxy benzaldehyde which is the key intermediate for synthesizing resveratrol were studied.
去离子水、印度醋栗、红石榴提取液、茄红素、丙烯酸共聚物、酵母提取液、无花果精华、对羟基苯甲酸甲酯、咪唑烷基脲、丙二醇、甘油。
Ingredients: Deionized water, amalaki, pomegranate extract, lycopene, acrylic acid copolymer, yeast extract, fig essence, Methyl Paraben, imidazolidinyl urea, propylene glycol and glycerol.
本文用花生油经甲酯化后，直接与二乙醇胺缩合制备烷醇酰胺，并讨论了反应条件如原料配比、反应温度和时间对产品性能的影响。
To synthesis of Alkanolamide from the peanut-oil Acid methyl Ester. Some influences of starting burden, reaction temperature and time were discussed.
以对羟基苯甲酸甲酯、1，4丁二醇为主要原料，经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯（BBHB）；
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
氨甲环酸丙二醇，甘油，乳酸等。
在洁净煤、环氧丙烷、碳酸二甲酯、聚醚、异丙苯、丙烯腈、丙二醇醚等项目方面提出了相应的建议。
Specifically, Suggestions for the projects of clean coal, propylene oxide, methyl-carbonate, polyether, cumene, acrylonitrile, propylene glycol ether, etc. were proposed.
也可作为原料用以制作甲基异丁基酮、二丙酮醇、己二醇、甲基丙烯酸甲酯和精细化学品等。
Also used as a raw material in the manufacture of methyl iso-butyl ketone, di-acetone alcohol, hexylene glycol, methyl methacrylate and fine chemicals.
主要成分：熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
本发明属于医药技术领域，公开了一种盐酸甲氯酚酯与聚乙二醇的药物组合物及其制备方法。
The invention belongs to the technical field of medicine, and discloses a drug composition of meclofenoxate hydrochloride and polyethylene glycol and a preparation method thereof.
方法以1，4-丁烯二醇为原料，经过酯化、环氧化、氨解开环，再与四碘对苯二甲酰氯反应合成目标产物。
METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.
为解决胶原酶免疫原性，采用经氯甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。
In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.
讨论了不同四甲氧基硅烷（TMOS）与聚乙二醇（PEG）配比、老化条件、陈化时间对硅胶柱的影响，并采用SEM、BET、强度测试等手段对其结构进行表征。
The effects of TMOS/PEG ratios and aging conditions on the pore structure were investigated and the prepared samples were characterized by SEM, BET and hardness tester.
主要成份：去离子水、十二烷基醚硫酸钠、C8-16烷基糖苷、丙三醇、尼箔金甲脂、尼箔金丙脂、丙二醇、橄榄油、香料。
INGREDIENTS: Deionized water, 12 alkyl ether sulfate, C8-16 alkyl glucoside, glycerol, Kim Kap-grease foil Nepal, Niger foil gold c fat, propylene glycol, olive oil, spices.
采用极性聚乙二醇色谱柱测定了8种不同植物油中脂肪酸甲酯的含量和分布。
A polar PEG-20M column was applied for the analysis of the contents and distribution of FAME in biodiesels from 8 different vegetable oils.
中文名：2，4，6-三甲氧基苯基硼酸新戊二醇酯。
Product Name: 2,4,6-Trimethoxyphenylboronic acid neopentyl glycol ester.
介绍了碳酸二甲酯在热塑性丙烯酸清漆、硝基清漆、醇酸清漆和聚氨酯清漆中的应用。
The preparation of 5 tri compound driers and their properties in alkyd varnish are introduced.
优选地，蓖麻酸甲酯通过交叉复分解或同质复分解分别转化成高 烯丙一元醇1-癸烯-4-醇或高烯丙多元醇9-十八烯-7，12-二醇。
Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.
优选地，蓖麻酸甲酯通过交叉复分解或同质复分解分别转化成高 烯丙一元醇1-癸烯-4-醇或高烯丙多元醇9-十八烯-7，12-二醇。
Preferably, methyl ricinoleate is converted by cross-metathesis or homo-metathesis into the homo-allylic mono-alcohol 1-decene-4-ol or the homo-allylic polyol 9-octadecene-7,12-diol, respectively.
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