Acetyl chloride

  • 网络乙酰氯;氯乙酰
Acetyl chlorideAcetyl chloride
  1. 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%;

  2. 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%。

  3. 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)

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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。

  9. 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

  10. 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。

  11. 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。

  12. 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。

  13. Synthesis of 2 - ( 9-carbazole ) acetyl chloride

    荧光衍生化试剂2-(9-咔唑)乙酰氯的合成

  14. 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。

  15. 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。

  16. 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。

  17. 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;

  18. 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。

  19. 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。

  20. 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%