Acyl Chloride
- 网络酰氯;酰基氯
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The slower acyl chloride dropped , the higher the yield will be .
酰氯的滴加速度愈慢,产品的收率就愈高。
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Maltitol fatty acid ester was prepared with maltitol and fatty acyl chloride .
以麦芽糖醇和脂肪酰氯为主要原料合成麦芽糖醇脂肪酸酯。
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Water is avoided to take with acyl chloride .
酰氯化物切忌带水。
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Solid state polymerization of poly ( ethylene terephthalate ) through acyl chloride method
聚对苯二甲酸乙二酯的酰氯法固态聚合
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Synthetic Study of Glycyl-Glycyl-Valine Tripeptide Using The Way of Acyl Chloride
酰氯法合成甘氨酰-甘氨酰-缬氨酸三肽的实验研究
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The method of acyl chloride was better than the method of active ester for its high efficiency and convenient operation .
酰氯法反应速率快、操作简便,优于活化酯法。
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Study on the Reduction of Acyl Chloride by Tributyltin Hydride on Pd / C Catalyst
三丁基锡氢化物在Pd/C催化下还原酰氯的反应研究
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Preparation of Borohydride Anion Exchange Resin ( BER ) and Reductions of Carbonyl Group and Acyl Chloride Compounds
硼氢阴离子交换树脂的制备及其对羰基、酰氯化合物的还原
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The reaction of twenty kinds of Fmoc-AA-OH linked to Wang resin using methods of acyl chloride or active ester was studied in solid-phase peptide synthesis .
在多肽固相合成中,分别采用酰氯法和活化酯法,研究了20种Fmoc-氨基酸与Wang树脂的连接反应。
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Pinonic acyl chloride was reacted with diethyl amine to synthesize N , N-diethyl-pinonic amide .
蒎酮酸经过酰氯化后再和二乙胺反应,合成了可能有生物活性的N,N-二乙基蒎酮酸酰胺。
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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。
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Liposoluble tea polyphenols ( LTP ) with varying aliphatic groups were synthesized by reaction of aliphatic acyl chloride and tea polyphenol ( TP ) .
通过脂肪酰氯与茶多酚(TP)的反应,制备出了一系列含不同直链脂肪基团的脂溶性茶多酚(LTP)。
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Peptides are traditionally synthesized in liquid phase , such methods are DCC , mixed anhydrides , acyl chloride and azide etc. , which provide more choices for peptides synthesis .
传统的肽类合成多采用液相化学合成,常用的包括碳二亚胺(DCC)法,混合酸酐法、酰氯法、叠氮物法等等,为多肽的合成提供了多种选择。
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To seek a nicotinic derivative with effect , safety and less adverse effect , nicotinyl salicylic acid was synthesized from nicotinic acid with salicylic acid by employing the acyl chloride method .
为寻找降血脂作用强、不良反应轻、安全有效的烟酸衍生物,以烟酸和水杨酸为原料,采用酰氯法经过二步合成了烟酸的衍生物烟酰水杨酸。
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For arginine , the yield was improved to nearly 80 % by using weakly polar solvent such as DCM and simultaneously increasing the reaction time to 20 h in the method of acyl chloride .
在酰氯法中,对于精氨酸,选择弱极法溶剂如DCM,延长反应时间至20h,连接效率接近80%。
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40 products are synthesized by the variation of modification parameters , which are the species of lignin , reaction ratios of Mannich Reaction and acylation , and the number of carbon atoms in aliphatic acyl chloride .
通过改变木质素的种类、酰化反应的投料比以及脂肪酰氯的碳链长度等参数,合成了40只不同的改性木质素磺酸盐产品。
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Methyl-furoate is synthesized from furfural by Cannizzaro reaction , acyl chloride reaction and esterification . It showed that the time of esterification is only 2.5 hours and the yield can reach 85.0 % .
以糠醛为起始原料,通过康尼查罗反应、酰氯化和酯化反应合成了糠酸甲酯,实验结果表明:酯化反应时间2.5h,糠酸甲酯收率可达85.0%。
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The experimental results indicate that the average substitution degree of acylation of chitosan depends on volume ratio of pyridine to chloroform in the reaction medium , chain length of the acyl chloride , and molecular weight of the chitosan .
实验结果表明:壳聚糖的酰化取代度主要取决于反应介质吡啶/氯仿用量比、酰化试剂的链长和壳聚糖分子量。
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N-acylation takes place from ester as acylating agent and amine , which avoids the reaction of esterolysis and chlorination . Compared to the former method using irritant acyl chloride as acylating agent , this new process shortens the reaction steps and avoids pollution .
N-酰化反应,直接用酯作为酰化试剂与胺反应,代替了有强烈刺激性的酰氯,避免了酯的水解、氯化反应,既减少了反应步骤,又有利于清洁生产;
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Structural Determination of the By & Product in Preparing Acyl Urea by Reaction of Acyl Chloride with Lead Cyanate
由酰氯与氰酸铅制备酰基脲反应中副产物的结构测定
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The optimal parameters of acyl chlorination were selected as follows : oxalyl chloride as acyl chloride reagent , DMF as catalyst , the yield was 90.7 % .
酰氯化反应条件为:草酰氯为酰氯化试剂,DMF为催化剂,收率90.7%。
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Synthesis of acyl azide from aldehyde , or acylhydrazine , or carboxylic acid , or acyl chloride , or anhydride , or ester is introduced in this paper .
介绍了由醛、酰肼、羧酸、酰氯、酐或酯合成酰基叠氮化合物方法。