对部分稀土离子参与下LeuRS催化的的氨酰化反应表观稳态动力学性质进行了研究。
The apparent steady state kinetics of the aminoacylation reaction catalyzed by LeuRS at the participation of some RE 3+ was studied.
用工业级荧光素，经过酰化反应合成双乙酰荧光素。
The diacetyl fluorescein was synthesized through the acylation reaction with industry fluorescein.
研究了水溶性铑膦络合催化剂两相催化1 -己烯氢甲酰化反应。
The use of the water-soluble Rh-phosphine complexes for catalytic hydroformylation of 1-hexene in two-phase system was studied.
对于水溶性差的高碳烯烃，其氢甲酰化反应速度远远低于低碳烯烃。
For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.
而二元酸酐酰化反应可改变氨基、羧基的比例，从而降低了明胶的等电点。
The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.
通过明胶活泼氨基的酰化反应，可以接入憎水性的芳基改变明胶的水溶性；
The amino groups of the gelatin are the amenable sites for modification in aqueous solution. Benzoylation of the gelatin with pathalic anhydride can change the solubility.
在催化烯烃氢甲酰化反应时，观察到烯烃与膦配体之间有一定的链长匹配效应；
The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.
本发明可以应用于包括水解、酯化、酯基转移、酯交换或酰化反应的任意方法中。
The present invention may have application in any process involving hydrolysis, esterification, transesterification, interesterification or acylation reactions.
在制备过程中，对2OH和3 OH的对甲苯磺酰化反应活性差异进行了初步探讨。
The difference in activity between 2-oh and 3-oh for the tosylation reaction has been explored.
溶剂也有显著影响，溶剂甲苯的结果最好。还考察了几种官能团烯烃的氢甲酰化反应。
Hydroformylation of olefins with different functional groups as Well as the effect of Solvent are also investigated.
并考察了HZ - 1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲酰化反应的影响。
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.
首先用偶合组分上带n -羟乙基官能团的偶氮染料为原料经丙烯酰化反应，得到发色单体。
First, the azo dye with N-hydroxyethyl functional group in coupling components is taken as the raw material to have acryloyl reaction, to obtain hair color monomer.
结果与结论：在该条件下水杨酸可以和DIPPH发生磷酰化反应，生成水杨酸羟基磷酰化产物。
Results and Conclusion: The phosphorylating reaction could happen under the condition mentioned between salicylic acid and phosphorylating agent-DIPPH. The target product could be determined by NMR.
酰化反应用DMAP作催化剂，采用向碎冰上倾倒反应液使产物析出的后处理方法，收率82.8%；
DMAP as catalyst, the postprocessing steps were simplified with the method of pouring the reaction solution into ice, the yield was 82.8%;
以溴化锌为催化剂，在无溶剂条件下实现了醇与苯甲酸酐的酰化反应，部分产物经NMR和IR表征。
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr_2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
研究了N-酰化反应对壳聚糖溶解性能和结晶性能的影响以及反应时间，温度，配比对脱乙酰度的影响。
The effect of N acylation on the solubility and crystallinity of chitosan and the effect of reactive time, temperature and proportion on degree of deacetylation were investigated.
方法：用氯仿作溶剂，在浴温条件下，4羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
Methods:Chloroform being solvent, under bath heat, 4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.
Fischer倒认为，如果真有特异性增强H4K12乙酰化反应的药物被开发出来，也可能是骗人的。
Fischer suggests that drugs that specifically enhance H4K12 acetylation, if they can be developed, might do the trick.
乙酰化反应使组蛋白让DNA解螺旋，允许了基因的表达发生，因此抑制乙酰化反应将从总体上降低基因的表达。
Acetylation causes histones to unspool their DNA, thereby allowing gene expression to proceed—so decreased acetylation generally reduces gene expression.
方法：通过付克反应、碳链延长、水解和环合反应得到两个关键中间体，然后通过酰化反应制得各种酰胺化合物；
METHODS: The title compounds were synthesized by acylation of twelve acyl chlorides and two intermediates prepared by Friedel Crafts reaction, lengthening of carbon chain, hydrolysis and cyclization;
本文综述了对化学工业具有潜在经济价值的油酸甲酯和油醇的氢甲酰化反应的进展，并介绍了反应产物的应用前景。
In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.
该路线以5-甲基尿苷为起始原料，关键步骤是5-甲基尿苷和丙酰氯的选择性酰化反应，六步反应总收率为34%。
The stavudine was prepared from 5-methyluridine via six steps in 34% overall yield, in which the key step is the selective acylation of 5-methyluridine by propionyl chloride.
考察了酰化反应温度、酰化反应时间、硝化剂种类、水解反应时间、还原剂种类、甲酸用量等因素对各步反应收率的影响。
Factors influencing the product yield are discussed, such as nitrating agents, reductive agents, reaction temperature, reaction time, have been investigated.
采用氢醌双丙酸酯为原料，在甲醇-水溶液中，碱性条件下，加入适量抗氧化剂，经部分醇解脱酰化反应合成氢醌单丙酸酯。
Hydroquinone monopropionate was synthesized by partially alcoholysized and deacylated of hydroquinone bipropionate in methanol-water solution and alkaline condition with appropriate antioxidant.
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇-吡啶介质中实现壳聚糖N位乙酰化反应的问题；
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
以2-苯基-4-喹啉酮为原料，通过磷酰化反应将磷酰氮芥引入到2-苯基-4-喹啉酮中，合成了一种新型的喹啉-4-氨基磷酸酯衍生物。
In this study, phosphoramide mustard was coupled to 2-phenyl-4-quinolone by a facile phosphorylation reaction to yield a novel quinoline-4-phosphoramidate derivative.
方法以苯乙胺为原料，经酰化反应得乙酰苯乙胺，在多聚磷酸的作用下环合得1-甲基-3，4-二氢异喹啉，经硼氢化钠还原得1-甲基-1，2，3，4-四氢异喹啉。
Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.
反应在常温下进行，乙酰化产物的产率和质量与原方法相当。
The reaction proceeds at room temperature and the quality and yield of acetylate are comparison with ordinary method.
结论6APA生产中使用新的固定化青霉素酰化酶反应器将提高6 APA的收率，减少固定化青霉素酰化酶的损耗。
Conclusions the usage of the new immobilized penicillin acylase reactor in the 6-apa production will result in a higher yield of 6-apa and lower loss of immobilized penicillin acylase.
结论6APA生产中使用新的固定化青霉素酰化酶反应器将提高6 APA的收率，减少固定化青霉素酰化酶的损耗。
Conclusions the usage of the new immobilized penicillin acylase reactor in the 6-apa production will result in a higher yield of 6-apa and lower loss of immobilized penicillin acylase.
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