甲基吡啶

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  • Methylpyridine;picoline
甲基吡啶甲基吡啶
  1. 苯α·甲基吡啶水三元体系汽液平衡的研究

    The Study of Vapor Liquid Equilibria of Benzene α· Picoline Water Ternary System

  2. 以3-甲基吡啶为原料,实验合成的2-氯-5-氨甲基吡啶总收率50.44%。对2-氯-5-氨甲基吡啶合成进行初步工业化设计。

    With the feedstock of β - picoline , the yield of 2-chloro-5 - ( aminomethyl ) pyridine was up to 50.44 % .

  3. 甲基吡啶气相氨氧化V系催化剂研究进展

    Development of Catalyst for Gas Phase Ammoxidation of Picolines to Cyanopyridines

  4. 二甲基吡啶钼磷酸盐磷钼蓝分光光度法测定高纯H2O2中微量磷酸根

    Spectrophotometric Determination of Trace Phosphorus in H_2O_2 by Phospho-Molybdenum Blue

  5. 对4硝基2,3,5三甲基吡啶N氧化物的合成工艺进行了研究和改进。

    The synthesis of 4 nitro 2,3,5 trimethylpyridine N oxide from 2,3,5 trimethylpyridine was investigated and improved .

  6. 镉化合物的~(113)Cd屏蔽张量2-氨基二甲基吡啶镉单晶的研究

    Cadmium-113 Shielding Tensors of Cadmium Compound-Single Crystal Study on Cd 2-amino Dimethyl Pyridine

  7. HPLC法测定盐酸氨丙啉的含量及对杂质2-甲基吡啶进行检查

    Determination of amprolium hydrochloride and 2-picoline impurity by HPLC

  8. 在甲基吡啶气相氨氧化中,V系催化剂可以以非负载和负载两种形式起作用。

    V-oxide catalysts could been used in ammoxidation of picolines by unsurported or supported V-oxide .

  9. 为克服气固相反应的缺点,选用液相合成法合成3&甲基吡啶。n级不可逆气液反应的宏观动力学方程

    In the present study , a liquid phase reaction was selected . THE OVER-ALL KINETIC EQUATION OFN-ORDER IRREVERSIBLE GAS-LIQUID REACTION

  10. 综述了国内外甲基吡啶气相氨氧化制氰基吡啶V系催化剂的研究进展。

    This paper reviewed the development of V-contained catalysts for gas phase ammoxidation of picolines to corresponding cyanopyridines .

  11. TiO2的合成及其负载V2O5催化剂在3-甲基吡啶氨氧化反应中的应用

    Synthesis of TiO_2 Materials and Their Supported V_2O_5 Catalysts Applied to the Ammoxidation of 3-Picoline

  12. 本工作用改进的Rose釜测定了α-甲基吡啶-水二元体系在760mmHg下的汽液平衡数据。

    The isobaric vapor liquid equilibrium data of a-picoline-water binary system at 760 mmHg are determined by a modified Rose equilibrium still .

  13. 然后在70°C条件下,以邻苯二甲酰亚胺钾作为亲核试剂,与2-氯-5-氯甲基吡啶发生缩合反应,制备了N-(6-氯-3-吡啶甲基)邻苯二甲酰亚胺。

    Afterwards , N - ( 6-chloro-3-pyridinemethyl ) phthalimide is prepared by using potassium phthalimide , as nucleophilic reagent , condensation reacting with 2-chloro-5-methylpyridine at a temperature of 70 ° C.

  14. 反式-4-[4'-(N,N-二丁基氨基)苯乙烯基]-N-甲基吡啶对甲基苯磺酸盐的合成、表征及光学性质研究

    Synthesis , Characterization and Optical Property of Trans 4 - [ 4 ′ - ( N , N-Dibutyl Amino ) Styryl ] - N - Methyl Pyridinium Toluene-p-Sulfonate

  15. 2-甲基吡啶在PbO2-SPE组合电极上的电氧化研究

    Electrooxidation of 2-Methylpyridine at PbO_ ( 2 ) - SPE Composite Electrodes

  16. 用~1HNMR测定吡啶和2,6-二甲基吡啶的pKα和热力学参数

    Determination of pk_ α values and thermodynamic parameter of pyridine and 2 , 6-Lutidine by ~ 1h NMR

  17. 2-氯-5-三氟甲基吡啶(2-chloro-5-(trifluorometyl)pyridine)是重要的有机化工中间体,应用于医药、农药等的合成。

    2-chloro-5 - ( trifluoromethyl ) pyridine is a key raw material and intermediate in pharmaceutical and agrochemical industry .

  18. 2,6&二甲基吡啶在Y型分子筛的Bronsted和Lewis酸中心上的吸附动力学

    Studies on the adsorption kinetics of 2,6-lutidine on Bronsted and Lewis acid sites of Y zeolite

  19. 以AS树脂为胶凝剂,分别以有机碘盐N甲基吡啶碘和无机碘盐NaI为I~-离子源制备聚合物凝胶电解质。

    Gel polymer electrolytes based on poly ( acrylonitrile-co-styrene ) as polymer matrix and N-methyl pyridine iodide salt and NaI as I ~ - source were prepared .

  20. 二-(2-甲基吡啶)胺(DPA)是一种很好的金属离子螯合剂,能够在不同条件下对不同金属离子选择性螯合。

    Di - ( 2-picolyl ) amine is a good chelator of several metal ions . It can chelate different metal ions in different conditions .

  21. Ru-Co双金属负载型催化剂对甲基吡啶催化加氢反应研究

    Hydrogenation of methylpyridine over ru-co / ac

  22. 方法以2-氨基-5-甲基吡啶为起始原料,经重氮化、水解得到关键中间体5-甲基-2(1H)吡啶酮,再与碘苯反应得到吡非尼酮。

    METHODS Starting from 2-amino-5-methyl-pyridine , the key intermidiate 5-methyl-2 ( 1H ) pyridone was obtained via the way of diazotization , hydrolysis , then it was aromatized with iodobenzene to give pirfenidone .

  23. 以醛氨气相合成3,5-二甲基吡啶(DMP)为探针反应,考察了-γAl2O3负载不同金属氧化物催化剂的催化活性。

    The catalytic activity of MO_x / γ - Al_2O_3 was tested by a probe reaction , in which 3,5-dimethylpyridine ( DMP ) was synthesized from aldehyde and ammonia in vapor phase .

  24. 结果表明,在PMIA树脂合成中加入添加剂α-甲基吡啶,对提高PMIA分子量作用明显。

    It has been found that the molecular weight of PMIA increases clearly when α - methylpyridine is used as additive in polymeric reaction .

  25. 给出了用2,6-二甲基吡啶萃取-液闪测量99Tc的操作程序。

    A determination procedure of  ̄( 99 ) Tc by the liquid scintillation counting with 2 , 6-dimethyl pyridine extraction is recommended .

  26. 研究了吡啶、4-甲基吡啶、4-氨基吡啶、4,4-联吡啶、咪唑、1-甲基咪唑、2-甲基咪唑等化合物对ZnTPP(NO2)电子光谱的影响。

    The electronic absorption spectra of axial coordination reactions of ZnTPP ( NO 2 ) with pyridine , 4-methylpyridine , 4-aminopyridine , 4,4-bipyridine , imidazole , 1-methylimidazole and 2-methylimidazole were investigated .

  27. 采用小粉土和青紫泥原状土柱种植青菜,研究了尿素添加DMPP(3,4-二甲基吡啶磷酸盐)硝化抑制剂对土壤氮素淋失的影响。

    In an undisturbed column experiment , the nitrogen leaching losses in the powder soil and blue clayey paddy soil was studied by applied urea with new nitrification inhibitor 3,4-dimethyl pyrazole phosphate ( DMPP ) .

  28. 将非水溶液电位滴定法和紫外分光光度法相结合,对3甲基吡啶(3MP)直接电氧化合成烟酸反应液中烟酸、H2SO4、3MP进行了全分析。

    By combining nonaqueous solution titration and UV spectrophotometry , the concentrations of niacin , 3-methylpyridine ( 3-MP ) and ( H_2SO_4 ) in the reaction solution of electrosynthesis of niacin from 3-MP have been determined .

  29. 方法:7-(香豆素-3-甲酰胺)头孢菌素在NaI或KSCN的存在下与吡啶和β-甲基吡啶反应,产物用大孔吸附树脂及葡聚糖凝胶柱层析分离。

    METHOD : 7 - ( coumarin-3-formamido ) - cephalosporin was reacted with pyridine and β - methylpyridine in the presence of NaI or KSCN ; the prodcts were isolated by macroporous resin and sephadex column chromatogrophy .

  30. 2-氰基-3-甲基吡啶经Ritter反应、烷基化、氰化得到2-氰基-3-[2-(3-氯苯基)乙基]吡啶,在PPA/P2O5作用下闭环后和N-乙氧羰基-4-哌啶酮偶合制得氯雷他定,总收率39%。

    Loratadine was synthesized from 2-cyano-3-methylpyridine via Ritter reaction , alkylation and cyanidation to give 2-cyano-3 - [ 2 - ( 3-chlorophenyl ) ethyl ] piperidine , which subjected to cyclization in presence of PPA / P2O5 and then coupling with N-ethoxycarbonyl-4-piperidone . The overall yield was 39 % .