Acetyl chloride
- 网络乙酰氯;氯乙酰
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There are two ways to utilize the 90-95 % acetyl chloride : One is to separate the acetyl chloride from the impurities directly and to purify it to 99 % .
90-95%乙酰氯有两条利用途径,一条是采用直接分离方法,将90-95%乙酰氯经分离、提纯至99%;
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3,5-Dimethyl-1H-pyrazole-4-carboxylic acid was synthesized from ethyl acetoacetate and acetyl chloride with the similar method by condensation , cyclization and hydrolysis , respectively in 52 % , 75 % and 85 % yield .
用类似的方法以乙酰乙酸乙酯和乙酰氯为原料,经缩合、环合和水解3步反应合成了3,5-二甲基-4-吡唑甲酸,3步反应的收率分别为52%、75%、85%。
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Chemical reagent & Determination of water content ( acetyl chloride method )
GB/T607-1977化学试剂水分测定法(乙酰氯法)
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Analysis and research of trimethyl acetyl chloride and its synthetic fluid
气相色谱法分析三甲基乙酰氯及其合成液的研究
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Determination of Hydroxyl Value of Epoxy-Containing Polyester by Acetyl Chloride Method
乙酰氯法测定含环氧基聚酯羟值
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Hydroxyl Value Analysis of Acrylate-Styrene Copolymer Solution System by Using Acetyl Chloride as Acetylating Agent
含双氧水聚丙烯酸酯溶液体系的乙酰氯法羟值测定
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Determination of the number of active centers on Ziegler-Natta catalysts by quenching with acetyl chloride
用乙酰氯淬灭法测定Ziegler-Natta催化剂的活性中心数
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A method for determining hydroxyl value of epoxy-containing polyester , namely acetyl chloride method is introduced .
介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。
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Studies on the Adduct Reaction of Disubstituted Benzene with Ion System of Acetyl Chloride in Gas Phase
气相中双取代苯在乙酰氯离子体系中的加合反应研究
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The compound stabilizer of water is synthetized from the by product in production of acetyl chloride .
采用乙酰氯副产物为原料合成复合水质稳定剂。
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In this paper , a method has been designed for determination of the trichloro acetyl chloride in titanium tetrachloride .
建立了一种定量测定精四氯化钛中的杂质三氯乙酰氯的方法,在国内尚属首次。
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A method for the determination of2,4-dichlorbenzoxy acetyl chloride of derivation before column , with gas chromatography has been developed .
采用柱前衍生化气相色谱法对2,4-二氯苯氧乙酰氯进行了分析方法的研究。
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Synthesis of 2 - ( 9-carbazole ) acetyl chloride
荧光衍生化试剂2-(9-咔唑)乙酰氯的合成
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The other way is to transform the 90-95 % acetyl chloride into other material with more extensive uses and than separate the impurities to obtain a new product .
另一条是将90-95%乙酰氯合成其他用途更广泛的物质,分离杂质,获得新产品。
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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,测定含环氧基聚酯的羟值。
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The results show that N-butyl diethyl imide can be synthesized easily with n-butylamine and acetyl chloride as principal raw materials and triethylamine as acid-binding agent by means of salt ice .
结果表明,以正丁胺和乙酰氯为主要原料,用三乙胺为缚酸剂,在盐冰浴条件下较容易合成N-正丁基二乙基酰亚胺。
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METHODS : The acetylized racemic mixture of D-penicillamine was prepared by racemizing acetyl chloride in acetic acid solu_tion with D-penicillamine as feedstock .
方法以D-青霉胺为原料,在醋酸溶液中,用乙酰氯为酰化试剂进行消旋化,得到了D-青霉胺酰化消旋物;
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Friedel-Crafts acetylation of salicylamide ( SA ) with acetyl chloride to5-acetylsalicylamide using triethylammonium chloroaluminate ionic liquid ( IL ) as both catalyst and solvent was investigated .
实验以盐酸三乙胺-三氯化铝离子液体(IL)为催化剂,催化水杨酰胺(SA)与乙酰氯进行傅克酰基化反应合成5乙酰水杨酰胺。
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Compared with acetic anhydride , using sulfur as catalyst has greater advantages : the gradual release and slower rate of acetyl chloride , the higher efficiency of chlorination , the smaller necessary amount of catalyst , and the lower production cost .
得出,以硫磺为催化剂时,乙酰氯是逐渐释放的,其逃逸速度慢,氯化反应效果好,催化剂用量小,生产成本低,优于以醋酐为催化剂的氯化反应。
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N acetyl morpholine , an important intermediate of the herbicides , was synthesized with the recovery of more than 94 % and purity of more than 95 % taking morpholine and acetyl chloride as the raw materials .
以吗啉和乙酰氯为原料合成农药中间体乙酰吗啉,反应条件温和,收率在94%以上,产品纯度>95%