Lewis acid and base

The catalytic systems of Lewis acid and base are useful ways in the non-enzymatic catalysis.在非酶催化反应中 ,路易斯酸碱催化是比较常用的方法 ,它们被广泛地用于多种外消旋体的 (动态 )动力学拆分反应中 ,目前在该领域取得了很大的进展。RAb汉语字典

Enamines were reduced to corresponding amines by trichlorosilane(HSiCl3) using Lewis base dimethylformamide(DMF) as a catalyst.用路易斯碱二甲基甲酰胺(DMF)催化三氯氢硅(HS iC l3)还原烯胺合成对应的胺,最佳反应条件为:烯胺0。RAb汉语字典

Quantitative Study on the Lewis Base Property of MgO by Infrared Spectroscopy with Boric Acid Trimethyl Ester;硼酸三甲酯为探针红外光谱定量研究氧化镁的路易斯碱性RAb汉语字典

The Lewis base property of Al_2O_3 has been studied quantitatively with an infrared spectroscopic approach by using boric acid trimethyl ester (BATE) as the probe molecule.采用硼酸三甲酯作为探针分子对Al2O3的路易斯碱性进行了红外光谱定量研究。RAb汉语字典

The polymerization of styrene was mediated by copper(I) bromide/pentramethyl diethyl-triamine(PMDETA) using ethyl 2-bromopropionate(EBP) as initiator and a catalytic amount of Lewis acid(LA),such as aluminum hydroxide(AH),boric acid(BA),and(2-methylpropyl)boronic acid(MPBA),as a rate-accelerating additive.以2-溴丙酸乙酯(EBP)为引发剂,溴化亚铜(CuBr)为催化剂,N,N,N′,N″,N″-五甲基二乙基三胺(PMDETA)为配体,选择了3种路易斯酸(LA),即氢氧化铝(AH)、硼酸(BA)、异丁基硼酸(MPBA)为加速剂,对苯乙烯(St)原子转移自由基聚合的加速进行了研究。RAb汉语字典

Compared to the traditional Lewis acid catalysts which comprised sulfur and zeolite catalytic chlorination system,it took on much superiority such as high-selectivity,high-yield,simple operation,savings and environmental protection etc.相比于传统的路易斯酸-含硫催化剂体系和沸石催化氯化体系,有选择性高、产率高、操作简单、经济环保等优点。RAb汉语字典

This paper gave an overall review of the application of lewis acid catalytic on various drug synthesis.总结了路易斯酸在各种(yào)物合成反应中的催化作用。RAb汉语字典

(Dynamic)Kinetic Resolution Reactions of Racemes Catalyzed by Lewis Acid and Base Catalysts路易斯酸碱催化的外消旋体(动态)动力学拆分反应RAb汉语字典

Study on the Determination of Boric Acid Trimethvl Ester to Lewis Base Properties of Metal Oxides by Using Infrared Spectrum用红外光谱法测定硼酸三甲酯对金属氧化物的路易斯碱性的研究RAb汉语字典

Asymmetric Reduction of N-acyl Enamines Catalyzed by Chiral Lewis Base手性路易斯碱催化N-酰基烯胺不对称还原RAb汉语字典

(2) receptors consisting of metal or Lewis acid center;(2 )含金属和路易斯酸的受体 ;RAb汉语字典

Study on Mannich Reaction and IAD Reaction Catalyzed by Lewis Acid;路易斯酸催化的Mannich反应和IAD反应研究RAb汉语字典

Studies of Lewis acid catalysising and synthetizing dimethyl fumarate路易斯酸催化合成富马酸二甲酯的研究RAb汉语字典

Study on the Preparation and Characterization of Lewis Bases Modified Zirconia Stationary Phases for High Performance Liquid Chromatography;路易斯碱改性氧化锆色谱固定相的制备与性能研究RAb汉语字典

Calculations on Acid-base Degree of Soluble Acidic Saline Solution of Tribasic Acid;三元酸易溶酸式盐溶液酸碱度的计算RAb汉语字典

Application of Green Lewis acid Catalyst──Indium Trihalide in Organic Synthesis绿色路易斯酸三卤化铟在有机合成中的应用RAb汉语字典

Research of two ene reaction of β-pinene Catalyzed by lewis acid路易斯酸催化下的β—蒎烯的二个烯反应的研究RAb汉语字典

Development of Silicon-Based Lewis Acids and Their Applications to Organic Synthesis含硅路易斯酸的发展及其在有机合成中的应用RAb汉语字典

Study on Technology and Application of Lewis Acid Dissolving Metal Phthalocyanin;路易斯酸法溶解金属酞菁的技术及应用研究RAb汉语字典

The Application of Lewis Acidic Ionic Liquids Catalyst in Friedel-Crafts Reaction;路易斯酸离子液体催化剂在Friedel-Crafts反应中应用RAb汉语字典

Lewis Acid Mediated Reactions of Hydroxymethylcyclopropanylam-Ides Derivatives;路易斯酸作用下羟甲基环丙酰胺的反应研究RAb汉语字典

Synthesis and Application of Lewis Acidic Guanidinium Ionic Liquids;路易斯酸性胍盐离子液体的合成及应用RAb汉语字典

Studies on Lewis-acid Catalyzed to the Preparation of Pyrazoles路易斯酸催化合成吡唑衍生物方法的研究RAb汉语字典

DOBLES SANCHEZ, Luis路易斯·多布尔斯·桑切斯RAb汉语字典

Lewis Acid Catalyzed Three-component Reaction of Methyl Phenyldiazoacetate,Benzyl Alcohol and N-methylisatin路易斯酸催化苯基重氮乙酸甲酯,苄醇和N-甲基靛红三组分反应RAb汉语字典