Knoevenagel condensation
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网络 Knoevenagel缩合反应; 克诺维纳盖尔缩合; 文格缩合; 缩合
双语例句
- Knoevenagel condensation catalyzed by ionic liquid under solvent-free conditions at room temperature
室温无溶剂条件下离子液体催化的Knoevenagel缩合反应 - Uncatalyzed and Solvent-Free Knoevenagel Condensation under Microwave Irradiation or Heating Conditions
微波辐射和加热条件下的无催化剂无溶剂Knoevenagel缩合反应 - Knoevenagel Condensation over Acidic Zeolite
酸性沸石分子筛催化Knoevenagel缩合反应 - The resulting materials showed high activity toward the Knoevenagel condensation of benzaldehyde with malononitrile and the yield reached 99.9% after reacting for 3 h at 30 ℃, which often acts as a probing reaction for base catalysis.
并且通过苯甲醛和丙二腈的缩合反应研究了该类材料的碱催化活性.研究表明，在30℃反应3h后苯甲醛的转化率达到99.9%。 - Introducing alkaline iron such as Na+, Cs+ into its skeleton to form basic catalyst, successfully carried out basic catalytic Knoevenagel condensation. A process of reacting propylene oxide with methanol using basic catalyst TA is investigated.
向其骨架中引入Na+，Cs+等碱金属离子制得碱性催化剂催化Knoevenagel缩合反应；研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。 - The Knoevenagel condensation under solvent-free conditions was studied in order to develop an environmentally benign process for the preparation of compounds containing double bonds.
为了避免挥发性有机溶剂造成环境污染，研究了无溶剂条件下的Knoevenagel缩合反应。 - Basic ionic liquid: a reusable catalyst for Knoevenagel condensation in aqueous solution
水相Knoevenagel缩合反应的研究Ⅱ：碱性离子液体催化剂 - The application of basic molecular sieves as catalysts in organic synthesis such as isomerization of olefin, dehydrogenation of isopropanol, Knoevenagel condensation, Michael additive reaction, condesation of aldehyde, and transesterification were reviewed.
综述了碱性分子筛催化剂在有机合成中的应用研究进展，尤其是在烯烃异构化反应、异丙醇脱氢反应、Knoevenagel缩合反应、Michael加成反应、醛缩合反应、酯交换反应等方面的应用现状。 - Knoevenagel Condensation in Solvent Free Condition Under Microwave Irradiation
无溶剂微波辐射下的Knoevenagel缩合反应 - Ethyl coumarin-3-carboxylate was synthesized from salicylaldehyde and diethyl malonate in absolute alcohol by Knoevenagel condensation reaction using hexahydropyridine as the catalyst. Hydrolysis of the reaction product with sodium hydroxide gave coumarin-3-carboxylic acid.
在无水乙醇中，以六氢吡啶为催化剂，通过水杨醛与丙二酸二乙酯的Knoevenagel缩合反应合成了香豆素-3-羧酸乙酯，再经水解、酸化得到香豆素-3-羧酸。 - Knoevenagel Condensation Reaction in the Catalysis of 3-( Dimethylamino) Propylamine
3&（二甲氨基）丙胺催化下的Knoevenagel缩合反应 - The knoevenagel condensation of carbonyl substrates with active methylene compound was investigated using ammonium acetate as catalyst in presence of ionic liquid [ p-CH3C6H4SO3].
以亲水性离子液体1-丁基-3-甲基咪唑对甲基苯磺酸盐作反应介质，醋酸铵为催化剂，研究了不同的芳香醛和脂肪醛与活泼亚甲基类化合物氰乙酸乙酯进行Knoevenagel缩合反应。 - The Study of Knoevenagel Condensation and Solvent Effect without Catalyst
无外加催化剂条件下的克脑文盖尔缩合反应与溶剂效应的研究 - Yb ( OTf) 3 catalyzed efficiently Knoevenagel condensation of active methylene compounds with various aldehydes under solvent free condition was described as a method for preparation of substituted ole-fins.
在Yb（OTf）3催化下，不用任何溶剂，将活泼亚甲基化合物和各类醛进行Knoevenagel反应，得到相应的取代烯烃衍生物。 - METHODS: The classic Knoevenagel condensation and mixed anhydride method were used.
方法：用典型的Knoevenagel缩合反应和混合酸酐法合成。 - New Advances of Knoevenagel Condensation Reactions
Knoevenagel缩合反应研究的新进展 - Anion Exchange Resin Supported Fluoride Ion as a Catalyst for the Knoevenagel Condensation
阴离子交换树脂支载氟阴离子试剂催化Knoevenagel反应 - In recent years, KF/ Al_2O_3 has been employed in many organic reactions, especially in Michael addition 、 Knoevenagel condensation 、 Witting reactions and so on, which all play a key role in various compounds 'synthesis.
对环境没有污染等。近几年，有关KF/Al2O3催化剂在有机反应中的报道也越来越多，特别是在诸如Michael加成、Knoevenagel缩合、Witting反应等十分重要的合成反应中的应用成功。 - Secondly, the polymer-supported active methylene compound perform the Knoevenagel condensation with aromatic aldehydes to give eight 2-Acetyl-3-phenylacrylic acid methyl esters.
发展了由聚乙二醇支持的活泼亚甲基化合物与芳醛进行Knoevenagel缩合，液相合成多取代丙烯酸甲酯的新方法。 - Investigation of Knoevenagel condensation in hydrophilic ionic liquid
离子液体介质中Knoevenagel缩合反应研究 - Knoevenagel Condensation Reaction Catalyzed by Functionalized Ionic Liquid 1-( 2-Hydroxyethyl)-3-methyl Imidazolium Chloride
功能化离子液体氯化1-（2-羟乙基）-3-甲基咪唑恶盐催化的Knoevenagel缩合反应 - Knoevenagel Condensation Reaction Catalyzed by Task Specific Ionic Liquid
功能性离子液体催化Knoevenagel缩合反应 - The Knoevenagel condensation is one of the most useful carbon-carbon bond forming reactions in organic synthesis.
在有机合成中，Knoevenagel反应是形成碳碳键有用的方法之一。 - -We have investigated the reaction condition of Knoevenagel condensation and Perkin condensation in the process of total synthesis.
较详细的探索了全合成过程中涉及到的Knoevenagel缩合和Perkin缩合的反应条件。 - The Knoevenagel condensation of aldehydes with active methylene compounds had been commonly employed in the synthesis of numerous chemicals and chemical intermediates.
这种醛或酮和活泼亚甲基化合物的缩合反应被大量地用于合成特殊的化合物和中间体。