硝化剂

xiāo huà jì
  • nitrating agent
硝化剂硝化剂
  1. 硝酸加冰乙酸为硝化剂,50℃硝化;

    It was nitrified at 50 ℃ by using nitric acid and glacial acetic acid as its nitrating agent .

  2. 研究了一种五氧化二氮为硝化剂,选择性硝化缩水甘油合成缩水甘油硝酸酯的温和、高效方法。

    A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed .

  3. 以苯胺为原料,以乙酰硝酸酯为硝化剂,合成了N硝基2,4,6三氯苯胺。

    N-nitro-2,4,6-Trichloroaniline was synthesized from aniline with acetyl nitrate as nitrating agent .

  4. 新型绿色硝化剂N2O5的电化学合成研究进展

    Progress in Electrochemical Synthesis of a New Green Nitrating Agent of Dinitrogen Pentoxide

  5. 当以乙酰硝酸酯作硝化剂、浓硫酸作溶剂时,2,4-二硝基苯胺硝化得到的主要产物是N,2,4,6-四硝基苯胺;

    When it was treated with acetyl nitrate in concentrated sulfuric acid and glacial acetic acid respectively , N , 2,4,6-tetranitroaniline and N , 2,4-trinitroaniline were produced accordingly .

  6. 较佳反应条件为:采用65%的浓硝酸和浓硫酸作为硝化剂,反应温度为90℃,反应时间4h,收率为88.0%。

    Reaction temperature is 90 ; reaction time is 4 hours . It yield is 88.0 % .

  7. 在上述两种硝化剂中得到的产物为RDX酮与RDX的晶体混合物。

    The produce obtained in the two kinds of nitrating agents above was a mixture of crystal keto RDX and RDX .

  8. 使用纯硝酸硝化剂,RDX酮的得率50%左右。

    However , about 50 % yield of pure keto RDX was separated directly via using nitric acid as a nitrating media .

  9. 以制备的两种酸性离子液体为溶剂和催化剂,TFAA和NH4NO3的组合为硝化剂,研究了烷基苯、卤苯和六亚甲基四胺在不同条件下硝化的收率和选择性。

    Alkyl benzenes and halo benzenes were nitrated with TFAA-NH_4NO_3 as nitrating reagent in the two acidic ionic liquids as solvents and catalysts .

  10. 阐述了以邻仲丁基苯酚为原料,硝酸为硝化剂经一步催化法合成DNBP(邻仲丁基4,6二硝基苯酚)的新工艺。

    New process of synthesizing 2-sec-butyl-4,6-dinitrophenol ( DNBP ) with 2-sec-butylphenol as raw material and nitric acid as the nitration agent is reported .

  11. 本法采用新型硝化剂HNO3-P2O5-NH4NO3硝解DPT制备HMX,并用日立635型高效液相色谱仪测定硝解混合物HMX/RDX中的HMX含量,确定HMX得率。

    A new method is developed to preparate HMX by nitrolysis of DPT with nitrating agent HNO_3-P_2O_5-NH_4NO_3.The content of HMX in HMX / RDX mixture obtained from the nitrated products were determined by means of Hitachi 635 type HPLC .

  12. 对离子液体催化下以N2O5/HNO3作硝化剂硝解HA合成RDX反应进行了研究,考察离子液体的用量、硝化剂用量、反应时间、反应温度和不同离子液体等因素对反应的影响。

    Reaction conditions which effect on the technology of nitrolysis of HA to synthesize RDX with N2O5 / HNO3 as nitrating agent catalyzed by ionic liquid were investigated , including the amount of catalyst and nitrating agent , reaction time and reaction temperature , different ionic liquids and so on .

  13. 绿色硝化剂五氧化二氮对甲苯的硝化研究

    Nitration of Toluene with a Clean Nitrating Agent - Dinitrogen Pentoxide

  14. 绿色硝化剂五氧化二氮及其在硝化反应中的应用

    Clean Nitrating Agent Dinitrogen Pentoxide and Its Application in Nitration

  15. 还可应用较贵的硝化剂。

    More expensive nitrating agents may be used .

  16. 在某些复杂的情况下,仲胺能用混合硝化剂直接硝化。

    In some more complex cases , secondary amines can be nitrated directly with nitrating mixtures .

  17. 用二倍过量的混合硝化剂,能将氨基噻唑及其同系物以同样的方法硝化。

    Aminothiazole and its homologues can be nitrated in the same way , using a double excess of nitrating mixture .

  18. 用45倍摩尔量的硝化剂将5-甲基次膦酸硝化,得到双硝基产物(产率59%)。

    On nitrating the new phosphinic acid with 45 equimolar amount of nitrating agent , a dinitro compound will be obtained in a yield 59 % .

  19. 考察了酰化反应温度、酰化反应时间、硝化剂种类、水解反应时间、还原剂种类、甲酸用量等因素对各步反应收率的影响。

    Factors influencing the product yield are discussed , such as nitrating agents , reductive agents , reaction temperature , reaction time , have been investigated .

  20. 前言:简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。

    The types , technology and characteristics of the " green " nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced .

  21. 一定条件下该硝化剂具有较好的反应位置选择性,这一是由于反应介质低的介电常数,二是多孔载体也具有明显的作用。

    In this system good regioselectivity can be achieved mainly because of the existence of a porous support and the low dielectric constant of the reaction media .

  22. 该方法通过改变硝化剂,不仅成功地避免了浓硫酸的使用,而且提高了原子经济性,具有良好的环境效益。

    By the use of the new nitrating agent , the use of concentrated sulfuric acid was avoided and the reaction was environmental friendly with high atom economy .

  23. 以硝酸-醋酐混合物为环己醇的硝化剂,利用正交试验设计描述了硝酸环己酯的优化合成。

    The orthogonal design was used in the optimum synthesis of cyclohexyl nitrate with the mixture of nitric acid and acetic anhydride as the nitrating agent of cyclohexanol .

  24. 各种硝化剂其实就是NO2~+的载体化物,而游离NO2~+的生成就是H~+将NO2~+从其载体化物中置换出来的过程。

    Various nitrating agents are all NO2 + - carrier complexes actually . The formation of free nitronium is the replacement of nitronium from NO2 + - carrier complexes by H + .

  25. 本文研究了愈创木酚/硝酸甲酯的摩尔比、反应温度、反应时间,硝化剂和溶剂的选择对5&硝基愈创木酚合成的影响。

    The effect of the molar ratio of guaiacol / methyl-nitrate , the reaction temperature , the reaction time , the choices of nitrating agent and solvent in the synthesis of 5 - nitro-guaiacol has been studied .

  26. 它的合成目前主要采用愈创木酚硝化法,以发烟硝酸和冰醋酸混酸做硝化剂。

    Its main synthesis method is nitration of guaiacol by fuming nitric acid and glacial acetic acid as nitration agent .

  27. 本文以特殊的微玻璃反应器为核心,完成微反应系统的建立,应用于芳烃硝化研究。(1)在微反应系统内,重点探索以硝酸为硝化剂甲苯硝化工艺研究。

    The article based on the special microglass reactor as the core , established the microreaction system , which used in the aromatic nitration research . ( 1 ) Using nitric acid as nitrating agents , we detailedly studied on the nitration process of toluene in the microreactor system .