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

摘要脱乙酰化反应其本是N-烷基乙酰胺的水解。

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

方法以克拉霉素为起始原料,经水解、乙酰化、环碳酯化、氧化、脱碳酯化、酰化、环氨基酯化和环合等反应合成目标化合物。

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.

对溴乙苯是以溴苯为原料,经付克乙酰化,黄鸣龙还原等反应合成,其量和收率较高,成本较低,有业化意义。

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。

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

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

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,以乙酰化聚乙烯醇为保护胶体合成聚醋乙烯乳液,并用含酰胺基的乙组分与其交联。