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

以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪,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开发及产进展,包括二苯甲酮类、氯代甲酯类、异氰酯类、酰氯类、碳酯类化合物。

Cuprous chloride is an important inorganic fine chemical product,which was produced by nantokite reduction method.

[摘要] 氯化亚铜是一种重要无机精细化工产品。

Several production methods,market demands and development of sulfinyl chloride are introduced in this paper.

本文介绍了氯化亚产方法、市场需求及发展前景。

The high-effective water treatment agent-polyaluminium chloride is produced by industrial aluminiferous waste slag.

利用工业含铝废渣产高效水处理剂聚合氯化铝。

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甲酐为主要原料通过酰氯法合成了对位均苯二甲酯二酰氯。

Cyclopropane carbonyl chloride is an important intermediate.

环丙甲酰氯是一种重要中间体。

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

介绍了影响N-甲氨基甲酰氯合成各种因素，其温度是主要影响因素。

Long-term intracerebroentricular infusion of potassium chloride preents the deelopment of deoxycorticosterone–salt hypertension.

长期脑室内输注氯化钾会预防脱氧皮质酮-高血压产。

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

将油酰氯和丙氨在碱性溶液中反应制备N-油酰基丙氨。

Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube.

采用酒石-锆复合溶液作基体改进剂，锆涂层热解石墨管为原子化器。

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

通过成本比较,认为丙酰氯是合适酰化剂。

The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst.

提出了以固体氯化物为催化剂合成马来二丁酯最佳反应条件。

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羟甲基笼状双环磷酯分别与戊酰氯、己酰氯发酰化反应。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙酯。

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反应,讨论了原料配比、反应时间、反应温度影响。

N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.

用四乙基氯化胺作相转移催化剂可在常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。

Some advice regarding chlorinity expressing measure and assessment method in the chloride ion permeability test is proposed.

并对混凝土氯离子渗透性试验氯离子浓度表示和评价方法提出建议。

Content : mimimum 99.0 per cent of mercurous chloride (Hg 2 Cl 2 ).

本品含氯化亚汞(Hg 2 Cl 2 )不得少于99.0%。

Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.

摘要利用固载化聚乙二醇-400作三相相转移催化剂，以氢氧化钾水溶液作碱，从苯乙腈和苄基氯出发合成了苯乙腈单烷基化物-α-苄基苯乙腈。