Hofmann reaction

美 [ˈhɑfmən riˈækʃn]

网络  霍夫曼反应

化学



双语例句

  1. Hofmann exhaustive methylation reaction
    霍夫曼彻底甲基化反应
  2. This paper introduced the preparation of polyvinylamine ( PAVm) by Hofmann degradation of polyacry  ̄ lamide, its reaction mechanisms and application as a new polymeric additive in papermaking industry.
    描述了由聚丙烯酰胺合成聚乙烯胺的霍夫曼(Hofmann)降级反应及其反应机理,介绍了聚乙烯胺作为新型高分子助剂在造纸工业中的应用。
  3. The conformational analysis and reaction mechanism for Hofmann elimination of quaternary ammonium hydroxides
    第四级铵氢氧化物Hofmann消除反应的构象分析及反应机理
  4. Medicine intermediate N-ethylethylenediamine ( NEED) was synthesized from acrylamide and ethylamine by addition reaction and Hofmann rearrangement.
    以丙烯酰胺为起始原料,经乙胺加成后,再经Hofmann重排两步反应后合成了药物中间体N-乙基乙二胺(NEED)。
  5. Effect of Molecular Weights of Polyacrylamides on Its Hofmann Reaction
    聚丙烯酰胺分子量对其Hofmann反应的影响
  6. In chapter 4, the functional groups, amino, carboxyl, isocyanate and N-chloroamide group, formed in the Hofmann reaction of polyacrylamide ( PAM) were characterized by means of colloidal titration, IR and XPS spectra.
    第四章用碘量法、胶体滴定法、红外光谱法和X&射线光电子能谱法分析聚丙烯酰胺的Hofmann反应中的功能基团,特别是异氰酸酯基和副产物聚胺酯变化的结果。
  7. The mechanism of Hofmann rearrangement reaction and the effects of alkyl structure and nucleophilic reagent in medium on the reaction are discussed. Moreover, the application of Hofmann rearrangement reaction in organic synthesis is introduced.
    讨论了Hofmann重排反应的机理以及烃基的结构、介质中的亲核试剂对反应的影响,并介绍了此重排在有机合成中的应用。
  8. The key intermediate of moclobemide. 4-( 2-aminoethyl) morpholine, was prepared by Hofmann reaction of 3-morpholinyl propionamide which was formed from morpholine and acrylamide.
    通过3-吗啉基丙酰胺的Hofmann重排反应制备合成吗氯贝胺的关键中间体氨乙基吗啉。
  9. 3-aminopyridine was prepared from the Hofmann reaction of nicotinic amide in 93% yield.
    烟酰胺通过Hofmann降解制得3-氨基吡啶,产率为93%。
  10. In this paper, the synthesis of difluoro [ 2,2] paracyclophane by Hofmann degradation reaction is reported and the mechanism and the factors which affect the reaction are discussed briefly.
    研究了霍夫曼降解反应合成二氟[2,2]对环番及影响反应的因素并对反应的模式进行了简单的讨论。
  11. In chapter 3, the effect of reaction conditions on Hofmann reaction of RAM was reviewed, and the best condition to enhance the effective content of product was given.
    第三章考察了反应条件对聚丙烯酰胺的Hofmann反应的影响,为提高产物的有效含量提供较佳的反应条件。