The effects of acylation on stability of red cabbage pigment were studied.
研究了酰基化对紫甘蓝色素稳定性的影响。
Carboxylic crosslinked polystyrene microsphere was prepared by F-C acylation reaction.
通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球。
Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation.
介绍了以亚甲基蓝为原料,经还原、酰化生成苯甲酰无色亚甲基蓝的方法。
In this subject, gluten was modified by both wet heat treatment and succinic anhydride acylation.
本文主要研究了湿热—琥珀酸酐酰化对小麦面筋蛋白进行复合改性。
The diacetyl fluorescein was synthesized through the acylation reaction with industry fluorescein.
用工业级荧光素,经过酰化反应合成双乙酰荧光素。
The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.
化学方法包括酸洗法、皂化法、酰化法和酯化法等。
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene.
这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
A series of esters of tertiary alcohols have been effectively synthesized by acylation and the DCC methods.
本文采用酰化法和DCC法合成了一系列叔醇酯。
The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。
Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.
以对氨基水杨酸为原料,经酯化、酰化和烃化反应得乙氧苯酯,总收率为87.4%。
In this experiment, Liposoluable tea polyphenols(LTP) have been synthesized by means of acylation with lauroyl chloride.
本实验通过月桂酰氯酰化制备了脂溶性茶多酚。
The invention discloses a small particle size narrow distribution penicillin acylation enzyme fixed carrier preparation method.
本发明公开了一种小粒径窄分布青霉素酰化酶固定化载体的制备方法。
The accepted commercial process is based on 2,4-difuloroaniline, through coupling, acylation, hydrolysis and carboxylation reactions.
公认的可工业化的生产方法是以2,4-二氟苯胺为原料,经偶联、酰化、水解、羧化等一系列反应制备。
The simple, economical process gives high-quality terpene esters while avoiding waste-disposal issues of other common acylation procedures.
这个简单经济的方法得 到高品质的萜烯酯,同时避免了其它常用酰基化方法中的废物处理问 题。
X-ray photoelectron spectroscopy was employed to analyze the surface chemical properties of specimens of acid treatment and acylation reaction.
利用X射线光电子能谱对酸氧化及酰氯化处理后的样品进行了表面化学性质分析。
Hydroxyl values of straw alkali lignin and modified lignin resin were determined by potentiometric titration in suitable composite acylation system.
选用合适的复合酰化体系,通过电位滴定,测定了工业碱木质素及其改性树脂的羟值。
This paper describes the syntheses of Eastiac by means of following formula. The yield of acylation was higher than that reported by the literature.
本文按下式合成了灭锈胺,其中乙酰化产率高于文献值。
Methods One compound was synthesized by using caffeic acid as raw materials through the reaction of acylation, esterification, hydrolysis, and so on.
方法以咖啡酸为起始原料,经过酰化、酯化、水解等反应进行合成。
Irreversible inhibitor of Thrombin and other serine proteases. Inhibits by acylation of the active site of the enzyme. Much less toxic than PMSF and DFP.
凝血酶及其他丝氨酸蛋白酶的不可逆抑制剂,将活性位点酰基化。比PMSF和DF P毒性小得多。
Fluticason propionate(1) in overall yield of 60.1% was synthesized from Flumethasone by oxidation, esterification, acylation, alcoholysis and fluoromethylation.
以双氟美松为原料,经氧化、酯化、酰化、醇解和氟甲基化反应制得氟替卡松丙酸酯(1),总收率60。
The present invention may have application in any process involving hydrolysis, esterification, transesterification, interesterification or acylation reactions.
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。
Pyridine can improve the ability of acylation when it complex with acyl chloride. The theory yield is high but aftertreatment is difficult and real yield is very low.
吡啶既可做溶剂又可中和氯化氢,还可与酰氯形成络和物而增强酰化能力,理论产率很高,但后处理困难,实际产率反而很低。
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、共价交联作用等食品蛋白质的化学改性技术及方法。
Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylic acid derivative was synthesized from salicylic acid and acetaminophen.
方法以水杨酸为起始原料,通过硝化、酰化、卤化反应,与对乙酰氨基酚相偶联,合成了新的5 -氨基水杨酸衍生物。
Methods:Bicalutamide was prepared from 4-cyano-3-(trifluoromethyl) aniline and 2-methylacryloyl chloride by four steps: acylation, cyclization, substitution, and oxidization.
方法:以3-三氟甲基- 4-氰基苯胺和2- 甲基丙烯酰氯为起始原料经过酰化、 环氧化、取代和氧化四步反应合成比卡鲁胺。
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.
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%。
Objective To study the synthetic method of pranoprofen. Methods Pranoprofen was synthesized from 2-chloronicotinic acid by condensation, reduction, substitution and acylation.
目的探讨改进合成普拉洛芬的方法方法以2-氯烟酸原料经缩合、还原、取代、酰化等制得普拉洛芬。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
方法:以庚二酸单乙酯为原料,经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果:塞曲司特的总产率为5 0 .7%。
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.
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.
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。
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