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

以苯酰氯为原料,经酰化,还原,合等反应合西替利嗪盐酸盐,反应总收率为8.05%。

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,包括二苯酮类、氯代酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。

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酸酐为主要原料通过酰氯法合了对位均苯二酯二酰氯。

Cyclopropane carbonyl chloride is an important intermediate.

丙酰氯是一种重要的中间体。

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

介绍了影响N-氨酰氯合的各种因素，其温度是主要影响因素。

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

将油酸酰氯和丙氨酸在碱性溶液中反应制备N-油酰丙氨酸。

The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.

通过本比较,认为丙酰氯是合适的酰化剂。

Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.

用氯仿作溶剂,在浴温条件下,4羟状双磷酸酯分别与戊酰氯、己酰氯发生酰化反应。

Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.

研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。

Thioxanthone photoinitiator was synthesized from DTSA by chlorination and condensation with isopropylbenzene in the presence of anhydrous AlCl3.

以二硫代二苯酸(DTSA)经过酰氯化、氯代、然后与异丙苯在三氧化铝催化下缩合为光引发剂。

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,采用乙酰氯代替乙酸作为原料,不使用任何催化剂,不加热,常温反应来合乙酸乙酯。

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

由苯与异丁酰氯在无水三氯化铝作催化剂的条件下制备苯异丙酮。

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

方法以对硝苯酰氯为起始原料,经缩合、还原、重氮化、偶合、盐等反应制得巴柳氮二钠。

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：以烟酸经酰氯化得烟酸酰氯，再与甘露醇缩合而。

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

以α呋喃醇和丙酰氯为原料,以六氢吡啶为催化剂,无水碳酸氢钠为缚酸剂合了α呋喃醇丙酸酯。

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-二乙硫代磷酰氯。

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

主要介绍了四种二氯苯醛的合工艺路线,并比较利弊,阐述了对苯磺酰氯氯化水解法的优越性。

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

介绍了以己醇为原料，用三种不同的工艺路线合己次磺酰氯以及在防焦剂中的应用。

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

报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯乙酸乙酯为主要原料合草除灵乙酯的方法。

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,选用乙酰氯作酰化剂、二氯烷作酰化溶剂,测定含氧聚酯的羟值。