酰化

Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.

方法以克拉霉素起始原料,经水解、乙酰化、环碳酸酯化、氧化、脱碳酸酯化、酰化、环酸酯化和环合等反应合成目标化合物。

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

通过成本比较,认丙酰氯是合适的酰化剂。

The essence of deacetylation reaction of chitin was the hydrolysis of N-alkyl ethanamide.

摘要壳质脱乙酰化反应其本质是N-烷乙酰胺的水解。

METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.

方法以无水哌嗪起始原料,经酰化、还原、胺化、成等反应制得酸特拉唑嗪。

The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄保护胺酮原料，经氢化，苯酰化，还原三步合成双苯酰沙丁胺醇酯。

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

以苯酰氯原料,经酰化,还原,环合等反应合成左旋西替利嗪酸,反应总8.05%。

OBJECTIVE:To study the process of acetylized racemization of D-penicillamine in the acidic condition.

目的研究D-青霉胺在酸性条件下进行酰化外消旋的工艺。

The chemical modification methods of food proteins are summarized,including acylation,deamidation,phosphorylation,glycosylation,covalent cross-linking effect etc.

综述了酰化作用、去酰胺作用、磷酸化作用、糖化作用、共价交联作用等食品蛋白质的化学改性技术及方法。

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羟笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。

This paper contains two parts: (1) Trisubstituted Cyclopropane and FluorinatedAlkynone; (2) Phosphate Ester and Phosphonyl Compounds.

(1)三取代环丙烷和含氟炔酮;(2)膦酸酯和膦酰化物。

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,测定含环氧聚酯的羟值。

Using the method of latex polymerization,poly vinyl acetate was synhesized with PVA as protective colloid,which was crosslinked with formylamine-group containing component.

采用乳液聚合的方法,以乙酰化聚乙烯醇保护胶体合成聚醋酸乙烯乳液,并用含酰胺的乙组分与其交联。

The acetylation and deacetylation of histone is charged by a pair of protea se with antistatic function on each other,which are histone transacetylase and histone deacetylase.

组蛋白乙酰化和去乙酰化由一对功能相互拮抗的蛋白酶——组蛋白乙酰转移酶和组蛋白去乙酰化酶负责。

The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.

并考察了HZ-1沸石交换次数等制备条件和催化剂用量对苯的苯酰化反应的影响。

In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.

以苯酐和取代苯原料,经过乙酰化、水解及环合反应,合成了2-氯蒽醌和2-蒽醌,并对影响的工艺条件进行了研究。

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.

以丙烯酰氯、丙烯酸酐和丙烯酸作酰化剂，研究了胆酸酯分子中羟的反应活性。

P-Brom-ethylphene was prepared by brom-phene by means of Friedel-Crafts and Huang Ming-long reactions. The synthesis can be industrialized because of good quality, high yield and low cost.

对溴乙苯是以溴苯原料,经付克乙酰化,黄鸣龙还原等反应合成,其质量和较高,成本较低,具有工业化意义。