环戊烯

huán wù xī
  • cyclopentene
环戊烯环戊烯
  1. 环戊烯分子内价轨道1a′的电子动量谱学研究

    An electron momentum spectroscopy investigation on the 1a ′ inner valence orbital of cyclopentene

  2. 反戊二烯(-1.3)~环戊烯~N&甲基吡咯烷酮(NMP);

    T-Pentadiene-1,3 Cyclopentene N-Methyl Pyrrolidone ( NMP );

  3. 双(环戊烯基环戊二烯基)ⅣB族金属衍生物的合成和反应

    Synthesis and reaction of bis ( cyclopentenylcyclopentadienyl ) ⅳ B group metal derivatives

  4. 2-(E)-芳亚甲基-5-环戊烯(1)基-5-烃基环戊酮类化合物的合成及其抗癌、抗炎活性

    Synthesis and Anticancer and Antiinflammatory Activity of 2 Arylidene ( 1 cyclopentenyl ) cyclopentanone

  5. 讨论了有关合成单元反应的机理和影响反应的因素,探讨了2-戊基环戊烯酮合成的其它方法和反应过程中无溶剂条件下所发生的Michael加成反应。

    Some related reaction mechanisms , novel methodology and solvent-free Michael addition were also discussed .

  6. 方法以N环戊烯基吗啉、邻甲氧基苯甲醛及多种胺类为原料,经多步反应合成目标化合物,并以二甲苯致小鼠耳肿胀模型测试目标化合物的抗炎活性。

    Methods The target compounds were synthesized from the cyclopentanone , o-methoxybenzaldehyde and amines and were evaluated with the model of xylene-induced ear edema in mice .

  7. 第三、通过ω-侧链和取代环戊烯酮的1,4-加成反应合成前列腺素E类化合物方法的研究。

    Study of the syntheses of ω - side chain compounds ③ study on preparations of prostaglandin E analogs by 1,4-additon reaction of ω - side chain compounds and substituted cyclopentenones .

  8. 2-〔1-环戊烯(1)基〕-2-烃基环戊酮Mannich碱的合成及抗癌、抗炎活性研究

    Synthesis of 2 - ( 1-Cyclopentenyl ) - 2-Alkyl Cyclopentanone Mannich Bases Hydrochlorids and Studies on Their Anticancer and Antiinflammatory Activities

  9. 环戊烯(CPE)是一种重要的有机化工原料,在制药工业、有机合成、合成橡胶及精细化工等领域都得到广泛的应用。

    As an important raw material of the organic chemical , cyclopentene is widely used in pharmaceutical industry , organic synthesis and synthetic rubber and other fields .

  10. 从环戊二烯选择加氢产物中提取高纯度环戊烯

    Separation of high-purity Cyclopentene from the products of Selective hydrogenation of Cyclopentadiene

  11. 环戊烯选择氧化合成戊二酸绿色催化过程

    Green Catalytic Process for Synthesis of Glutaric Acid by Selective Oxidation of Cyclopentene

  12. 过氧化氢水溶液催化氧化环戊烯制备戊二醛

    Preparation of Glutaraldehyde by Catalytic Oxidation of Cyclopentene with Aqueous Solution of Hydrogen Peroxide

  13. 研究了环戊烯合成环戊醇的工艺技术。

    Synthesis of cyclopentanol from cyclopentene was studied .

  14. 环戊烯酮衍生物和α,β-不饱和酯是两类非常重要的化合物。

    Cyclopentenone derivatives and α, β - unsaturated esters are two sorts of extraordinary important compounds .

  15. 环戊烯阳离子聚合反应

    Cationic Polymerization of Cyclopentene

  16. 环戊烯酮甲酸酯衍生物的质谱重排失醇反应研究

    The Study on the Rearrangement Reaction with Loss of Alcohol of Cyclopentene one carboxylic Esters under EI MS

  17. 本论文探讨了环戊烯酮酯和α,β-不饱和酯的新合成方法。

    New methods for the syntheses of cyclopentenone esters and a , p-unsaturated esters were investigated in this paper .

  18. 过氧铌酸催化下双氧水选择氧化环戊烯制备戊二醛

    Synthesis of Glutaraldehyde by Selective Oxidation of Cyclopentene with Aqueous solution of H_2O_2 Catalyzed by Peroxy - niobic Acid Catalyst

  19. 环戊烯均相氧化制戊二醛。双环戊二烯解聚率为95%以上,环戊二烯的收率可达90%。

    The depolymerization rate of dicyclopentadiene reaches over 95 % , and yield of cyclopentadiene is up to 90 % .

  20. 重点考察了环戊烯和水的摩尔比、催化剂含量、添加剂和反应时间等对水合反应的影响。

    The study was focus on the molar ratio of cyclopentene and water , catalyst content , additive and reaction time .

  21. 其中,环戊烯、3-乙基-1-戊烯、苯乙烯和1-己烯的反应级数分别为1.725、0.685、0.7和0.655,对应的加氢反应宏观活化能依次为63455J.mol-161781J。

    The reaction orders of cyclopentene , 1-hexene , styrene and 3-ethyl-1-pentene were 1.725 ,( 0.685 ), 0.7 and 0.655 , respectively .

  22. 液相产物中主要是酸类,醇类,呋喃,环戊烯酮类化合物,以及苯酚等芳香化合物。

    The liquid products included acids , alcohols , furan , cyclopentenes and other aromatic compounds , and its relative yield changed slightly .

  23. 在有机合成化学中,环戊烯酮化合物占据着十分重要的地位,许多具有生物活性或药理功能的天然产物中含有这种结构。

    In synthetic organic chemistry , cyclopentenones occupy a very important position . The ring struture is present in many natural products and interesting drug targets .

  24. 本文介绍了环戊二烯选择加氢制聚合级环戊烯研究中的气相色谱分析方法。

    In this paper , the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described .

  25. 以辽阳石化公司醇酮生产装置所产废液为初始原料,经过精馏和适当化学处理,精制出2-亚环戊烯基环戊酮;

    A plant flavour fragrance , 2-cyclopentyl cyclopentanone , was synthesized . The waste liquid from alcohol-ketone unit at Liaoyang Petrochemical Company was taken as raw material .

  26. 环戊烯与氢卤素加成反应制备卤代环戊烷,工艺流程简单,原料经济,收率高,易实现工业化。

    Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale .

  27. 采用氢火焰离子化鉴定器,以ββ′-氧二丙腈为固定液,在8米长的色谱柱上,测定聚合级环戊烯中的微量杂质。

    The determination for trace impurities in polymer grade cyclopentene has been made by means of a flame ionization detector on 8m . column with liquid phase ββ ' - oxydi-propionitrile .

  28. 扼要介绍戊二醛合成方法的发展沿革,对吡啶法、吡喃法、戊二醇氧化脱氢法及环戊烯氧化法等几种戊二醇合成方法进行了评述。

    The course of the glutaraldehyde synthesis was briefly introduced . The processes for synthesis of glutaraldehyde by pyridine method , pyran method , oxidation dehydrogenation of 1,5 pentanediol , and cyclopentene oxidation by H 2O 2 and so forth were mainly reviewed .

  29. 茂环上环戊烯基的双键与HBr和卤素发生正常的亲电加成反应。

    The double bond of cyclopentenyl on Cp with HBr , halogen underwent normal electrophilic addition reaction .

  30. 前列腺素中间体2-(6′-甲氧羰己基)环戊-2-烯-1-酮的合成

    The synthesis of a prostaglandin intermediate 2 - ( 6 ' - methoxycarbonylhexyl ) - cyclopent-2-en-1-one