相转移催化剂,phase transfer catalyst
1)phase transfer catalyst相转移催化剂
1.Preparation of trimethylsilyl quaternary ammonium saltphase transfer catalysts and their application in the synthesis of esterified carbon functional groups organic silicone monomers;硅烷基季铵盐相转移催化剂的制备及其在合成碳官能有机硅酯化物单体中的应用
2.Synthesis and characterization of epoxy SBS in the presence ofphase transfer catalyst and its use as compatibilizer;在相转移催化剂存在下SBS的环氧化及其产物作为增容剂的研究
3.Study on catalytic property of polymer-supportedphase transfer catalyst under different stirring speed;搅拌速度对聚合物相转移催化剂催化性能的研究
英文短句/例句
1.Studies on the Preparation of Triphase-transfer Catalysts with Grafting-type and Catalytic Activity;接枝型三相相转移催化剂的制备及其催化性能
2.Synthesis of C_2-asymmetric Phase-transfer Catalytic and ApplicationC_2-对称的相转移催化剂的合成及应用
3.Study on synthesis and applications of phase transfer catalyst TEBAC相转移催化剂TEBAC的合成与应用研究
4.Study on the Synthesis and Catalysis of new Phase Transfer Catalyzer新型相转移催化剂的合成及催化性能研究
5.The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.指出聚乙二醇作为相转移催化剂可增加转化率。
6.Electro Organic Synthesis of 1,4-Benzoquinone by Phase Transfer Catalysis;相转移催化剂电化学合成对苯醌的研究
7.Synthesis and application of phase transfer catalyst triethyl benzyl ammonium chloride相转移催化剂三乙基苄基氯化铵的合成与应用
8.Synthesis、Characterization and Its Application of the Reaction-Controlled Phase Transfer Catalyst;反应控制相转移催化剂的制备、表征及应用研究
9.The Synthesis and Application of Chiral Phase-transfer Catalysts in Asymmetric Catalytic Reactions;手性相转移催化剂的合成及其在不对称催化反应中的应用
10.Synthesis, Characterization and Catalytic Performance of Phase-transfer Catalyst Based on Polyoxometalates基于多金属氧酸盐的相转移催化剂的合成、表征及催化应用
11.Synthesis, Characterization and Catalytic Performance of Keggin Type Heteropolyacid Phase-transfer CatalystsKeggin型杂多酸相转移催化剂的合成、表征及催化性能研究
12.Studies on the Organic Synthesis Reactions Catalyzed by PEG400 Without Solvent;相转移催化剂PEG400在固—液相无溶剂有机合成中的应用研究
13.Studies on the Application of PEG400 as Phase Transfer Catalyst in the Solid-Liquid Phase Organic Synthesis;相转移催化剂聚乙二醇400在固-液相有机合成中的应用研究
14.Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
15.Application of Ionic Liquids as Efficient Phase-Transfer Catalysts in the Alkylation Reaction;离子液体作相转移催化剂在烷基化反应中的应用
16.A STUDY OF CARBENES I THE PHASE TRANSFER CATALYTIC ACTION OF FOUR PHASE TRANSFER CATALYSTS IN PREPARING DICHLOROCARBENE卡宾的研究Ⅰ 四种相转移催化剂在二氯卡宾制备中的作用
17.The influences of additive sequence and phase transfer catalysis are investigated.考察了加料顺序和相转移催化剂对偶联反应的影响。
18.The Synthesis of Two Pharmaceutical Intermediates and a New Chiral PTC;两个药物中间体及一种新型手性相转移催化剂的合成
相关短句/例句
phase-transfer catalyst相转移催化剂
1.Research advances in and application of chiralphase-transfer catalysts;手性相转移催化剂的研究进展与应用
2.Synthesis of A New Type of Chiral Phase-Transfer Catalyst;一种新型模拟酶类手性相转移催化剂中间体的合成
3.Thephase-transfer catalysts in organic synthesis reactions;有机合成反应中的相转移催化剂
3)phase transfer catalysis相转移催化剂
1.First,the condensation of arylacetonitriles with cyclic ketones using aqueous NaOH underphase transfer catalysis gave almost quantitative yields of α-(1-hydroxyl-cyclohexyl)-4-methoxybenzyl cyanide;second,1-[2-Amino-1-(4-methoxy-phenyl-)ethyl]cyclohexanol which was synthesized by NiCl2.首先是缩合反应以对甲氧基苯乙腈和环己酮以及四丁基溴化氨为相转移催化剂合成α-(1-羟基环己基)-对甲氧基苯乙腈;第二步是以NiCl2/NaBH4作为还原剂,催化加氢合成1-[2-氨基-1-(4-甲氧基苯基)乙基]环己醇;最后一步以甲醛作为甲基化试剂进行甲基化反应合成盐酸盐文拉法新。
2.The Benzyl acetate was prepared from benzyl chloride and sodium acetate byphase transfer catalysis.实验以氯化苄、醋酸钠为原料,研究了在相转移催化剂的存在下,一步反应制得乙酸苄酯的合成工艺。
3.The phenolic aldehyde resins supported dicarbony compounds are prepared by immobilization of β dicarbonyl compound onto the phenolic aldehyde polymer beads in the presence of C 2H 5ONa andphase transfer catalysis .在相转移催化剂存在的条件下 ,将乙酰乙酸乙酯、乙酰丙酮负载到酚醛树脂骨架上 ,合成了醚键悬挂羰基功能基的酚醛树脂 。
4)PTC相转移催化剂
1.Use ofPTC in p-Nitrobenzotribromide;相转移催化剂在对硝基三溴苄合成中的应用
2.The reaction is catalyzed by anhydrous potassium carbornate and tetra butylammonium bromide which is one kind ofPTC.采用对羟基苯甲醛在无水碳酸钾和相转移催化剂四丁基溴化铵的催化作用下 ,发生Williamson反应 ,合成对烷氧基苯甲醛。
3.A novel type of catalysts, organic/inorganic hybrid supported quaternary ammonium salts, was prepared by the Sol-gel technology and its catalyzing activity for thePTC(phase transfer catalysis) reaction between 1-bromoheptane and potassium iodide was investigated.优化了制备方法、反应条件等多种因素 ;考察了其作为相转移催化剂在 1 溴代正庚烷与碘化钾的亲核取代反应中的应用 ,转化率最高可达到 95 %。
5)phase transfer catalysts相转移催化剂
1.Differentphase transfer catalysts with different molecular weights,i.以对甲氧乙基苯酚和环氧氯丙烷为起始原料,采用不同相对分子质量的聚乙二醇(PEG1000,PEG600,PEG400,PEG200)和苯并15-冠-5为相转移催化剂,合成了对甲氧乙基苯基缩水甘油醚。
2.p Chlorophenylacetic acid was synthesized by the hydrolysis reaction of p chlorobenzyl cyanide in the alkaline aqueous solution with the presence of C 6H 5CH 2(CH 3) 3N +Cl - asphase transfer catalysts.以对氯苯乙腈为原料 ,苄基三甲基氯化铵为相转移催化剂 ,在碱性条件下进行水解反应制备对氯苯乙酸。
3.A variety of new chiralphase transfer catalysts have emerged to this area and added the new vitality to it.各种新的手性相转移催化剂不断涌现,给这一领域的研究增加了新的活力。
6)phase-transfer catalyst相转移催化剂<化>
延伸阅读
相转移催化剂分子式：CAS号：性质：相转移催化反应是固态的盐、酸、碱或其水溶液和有机溶剂中的反应底物通过两相界由一相转移至另一相而进行的反应过程，一相是固态盐、酸、碱或其水溶液；另一相是溶有反应物质的有机介质溶液。相转移催化作用能使离子化合物与不溶于水的有机物质在低极性溶剂中进行反应，或加速这些反应。能起这种作用的物质即为相转移催化剂。常用的是翁盐，或能与碱金属离子络合而增溶的络合剂，如冠醚、穴醚、季铵盐等。其作用是将阴离子以离子对形式转移到有机介质中进行反应。
