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N-oleoyl alanine was prepared by the reaction of alanine with chlorides under alkali solution.

将油酸和丙氨酸在碱性溶应制备N-油酰基丙氨酸。

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

本文综述了光下游精细化学品的开发及产进展,包括二苯甲酮类、代甲酯类、异氰酸酯类、类、碳酸酯类化合物。

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Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.

以苯甲为原料,经酰化,还原,环合等应合成左旋西替利嗪盐酸盐,应总收率为8.05%。

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Cyclopropane carbonyl chloride is an important intermediate.

环丙甲是一种重要的间体。

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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法合成了对位均苯二甲酯二

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The various effects on synthesis of N-methyl-carbamyl chloride were studied.Temperature is most important one.

介绍了影响N-甲氨基甲合成的各种因素,其温度是主要影响因素。

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It has been produced in our country, all by oxalyl chloride technological process.For using oxalyl chloride, so it has high price and low occupy in the market.

本文用光法路线进行试验,用廉价的光代替草制备异氰酸酯,为了降低成本提高收率,我们对杀铃脲的光产路线进行了研究、开发和优化。

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The paper is a study of the rheologic character of phosphate di-starch which is using sodium trimetaphosphate and phosphorus oxycholride as crosslinking agent by rotating viscometer.

研究了以三偏磷酸钠和磷为交联剂制成的凝胶淀粉。

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S-Methyl-isothiourea sulfate was oxidized by hydrogen peroxide to give methylsulfonyl chloride in 70% yield in aqueous hydrochloric acid solution.The product was characterized by 1HNNR and IR.

在盐酸介质,利用双氧水氧化S-甲基异硫脲盐,合成了甲基磺,收率70%。

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The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.

本文由链状醛酮的烯胺与己二应合成两个新的4-吡喃酮衍物。

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The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙作酰化剂、二甲烷作酰化溶剂,测定含环氧基聚酯的羟值。

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A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻苯胺、硫氰酸铵、硫、亚硝酸钠和乙酸乙酯为主要原料合成草除灵乙酯的方法。

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This paper describes that synthesis of the cyclohexyl Sulfinyl chloride from the cyclohexanol by three technologies, and application in the antiscorching agent.

介绍了以环己醇为原料,用三种不同的工艺路线合成环己基次磺以及在防焦剂的应用。

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Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二苯甲醛的合成工艺路线,并比较利弊,阐述了对甲苯磺化水解法的优越性。

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The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷

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Furfuryl propionate was synthesized from furfuryl alcohol and propionyl chloride using hexahydropyridine as catalyst and anhydrous sodium bicarbonate as acid-caputor.

以α呋喃甲醇和丙为原料,以六氢吡啶为催化剂,无水碳酸氢钠为缚酸剂合成了α呋喃甲醇丙酸酯。

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System of law: The chloride of nicotinic acid via nicotinic acid chloride was then formed with the mannitol condensation.

甘露醇烟酸酯(Mannitol Nicotinas),降血脂及周围血管扩张药。Nicotinate mannitol (Mannitol Nicotinas), fat and peripheral vasodilator. 制法:以烟酸经化得烟酸,再与甘露醇缩合而成。

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METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝基苯甲为起始原料,经缩合、还原、重氮化、偶合、成盐等应制得巴柳氮二钠。

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Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.

由苯与异丁在无水三化铝作催化剂的条件下制备苯基异丙基酮。

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Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用乙代替乙酸作为原料,不使用任何催化剂,不加热,常温应来合成乙酸乙酯。

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双语版 TED-Ed 精选

Named Kevlar, this alternating blend of 1,4-phenylene-diamine and terephthaloyl chloride combine at the molecular level to form a series of parallel chains.

这种 1,4-苯基二胺和对苯二甲酰氯交替混合而成的化合物被命名为凯夫拉,在分子水平上结合形成系列平行链。

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医学百科 The Medicine Book (Big Ideas Simply Explained)

Frenchman Charles Gerhardt had treated acetylchloride with sodium salicylate in 1853, but Hoffmann's version, which was instigated by his supervisor, Arthur Eichengruen, was the first to be suitable for medical use.

法国人查尔斯·格哈特在1853年曾将乙酰氯与水杨酸钠进行处理,但霍夫曼的改良版本,师阿瑟·艾兴格林推动研发,是首个适合医疗用途的。

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