酰化

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

苯甲酰氯为原料,经酰化,还原,反应成左旋西替利嗪盐酸盐,反应总收率为8.05%。

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

摘要甲壳质脱乙酰化反应其本质是N-烷基乙酰胺的水解。

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

氮-苄基保护胺基酮为原料，经氢化，苯甲酰化，还原三步成双苯甲酰沙丁胺醇。

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

法克拉霉素为起始原料,经水解、乙酰化、碳酸化、氧化、脱碳酸化、酰化、氨基甲酸化和反应成目标化物。

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

法无水哌嗪为起始原料,经酰化、还原、胺化、成盐反应制得盐酸特拉唑嗪。

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、糖基化作用、共价交联作用食品蛋白质的化学改性技术及法。

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羟甲基笼状双磷酸分别与戊酰氯、己酰氯发生酰化反应。

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。

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

(1)三取代丙烷和含氟炔酮;(2)膦酸和膦酰化物。

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

采用乳液聚的法,乙酰化聚乙烯醇为保护胶体成聚醋酸乙烯乳液,并用含甲酰胺基的乙组分与其交联。

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、二氯甲烷作酰化溶剂,测定含氧基聚的羟值。

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

苯酐和取代苯为原料,经过乙酰化、水解及反应,成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。

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沸石交换次数制备条件和催化剂用量对甲苯的苯甲酰化反应的影响。

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——组蛋白乙酰基转移酶和组蛋白去乙酰化酶负责。

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.

甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂，研究了胆酸甲分子中羟基的反应活性。

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.

对溴乙苯是溴苯为原料,经付克乙酰化,黄鸣龙还原反应成,其质量和收率较高,成本较低,具有工业化意义。