相转移催化剂

对反应控制相转移催化剂制备方法进行了改进，催化剂产率可达94%，并用红外光谱（IR）和元素分析对催化剂进行了表征；

A phase transfer catalyst ( PTC ) was prepared with improved method and characterized by IR spectrum and elementary analysis .

实验探讨了有机溶剂、相转移催化剂、pH值、温度和反应时间的影响。

The influences of the added organic solvent , phase transfer catalyst ( PTC ), pH values , temperature and time on the reaction were discussed .

C2-对称的相转移催化剂的合成及应用

Synthesis of C_2-asymmetric Phase-transfer Catalytic and Application

实验结果表明：PEG是合适的相转移催化剂。

PHASE AND ITS SIGNIFICANCE The results of the experiment show PEG is a good PTC .

研究了相转移催化剂（PTC）在液固相体系中，转移萃取非解离型中性分子氰化亚铜的过租。

Transfer of non dissociated neutral molecule CuCN in solid-liquid system by phase transfer catalysts is investigated .

研究了相转移催化剂（Bu4NHSO4）作用下苄基醚用双媒质Cr（）/Ag（）体系选择性间接电氧化。

The selective indirect electrical oxidation of benzyl ethers was studied with the double mediators under phase transfer catalysis ( tetrabutyl ammonium hydrogen sulphate ) .

通过催化大豆油与甲醇进行酯交换反应合成脂肪酸甲酯（FAME），研究了相转移催化剂对油脂醇解的催化性能。

Fatty acid methyl ester was prepared by interesterification of soybean oil and methanol with a phase transfer ( catalyst ) .

以聚乙二醇（PEG）600为相转移催化剂合成四乙酰氧基对叔丁基杯[4]芳烃。

Synthesis of tetra-acetoxy p-tert-butyl-calix [ 4 ] arene using polyethylene glycol ( PEG ) 600 via phase transfer catalyst was studied .

以氮杂环庚2酮和1溴十二烷为原料合成氮酮，用氢氧化钾为反应缩合剂，PEG400为相转移催化剂。

Synthesis of azone was carried out from azacycloheptan-2-one and1-bromododecane using KOH as condensation agent and PEG-400 as phase transfer catalytic agent .

A-1相转移催化剂常压催化合成对硝基苯酚

Synthesis of p-nitrophenol under normal atmosphere with A-1 phase transfer catalyst

以CTMAB为相转移催化剂，氯化苄和丁酸钠为原料合成丁酸的新方法。

A new method for the synthesis of benzyl n-butyrate with benzyl chloride and sodium n-butyrate by the catalyst of CTMAB is described .

实验结果表明，季铵盐A1对于高锰酸钾氧化邻硝基甲苯合成邻硝基苯甲酸，是1种优良的相转移催化剂。

The experiment results show that A1 is a good PTC for synthesis of ONBA with O nitrotoluene by oxidation of potassium permanganate .

采用相转移催化剂对植物用抗病毒剂DHT进行结构修饰。

In this paper the antivirotic agents ( DHT ) for plants are decorated structurally with phase-transfer catalyst .

研究了在相转移催化剂三甲基十六烷基溴化铵存在下，用环境友好氧化剂H2O2氧化芳樟醇合成氧化芳樟醇的工艺条件。

Research has been done on the synthesis of linalool oxide that linalool reacts with H_2O_2 in the exsitence of phase transfer catalyst cetyl-trimethylammonium bromide .

聚乙二醇相转移催化剂在Perkin反应中的催化作用

The Phase Transfer Catalysis by PEG in Perkin Reaction

采用相转移催化剂，以该种超支化聚酯钾盐与环氧氯丙烷发生酯化反应的方法合成了超支化聚酯型环氧树脂G1′与G2′。

Using phase transfer catalyst between epichlorohydrin and potash salt hyperbranched polymer , hyperbranched epoxy polymer of G1 ′ and G2 ′ was synthesized .

糖基硫脲催化不对称Aldol反应和相转移催化剂促进的不对称烷基化反应研究

Asymmetric Aldol Reaction Catalyzed by Thiourea Based on Saccharides and the Study of Asymmetric Alkylation Promoted by Phase-Transfer Catalysts

用溴化四正丁基铵作为相转移催化剂，苯甲醛、氯仿、α-苯基乙胺（la～c）和固体氢氧化钾在-5～0℃于无水乙腈中反应。

Reaction of benzaldehyde , chloroform , α - methylbenzylamine ( 1a ~ c ), and solid potassium hydroxide was carried out in anhydrous acetonitrile at - 5 ~ 0 ℃, with tetra-n-butyl ammonium bromide as phase transfer catalyst .

2-甲基-1-苯基丙酮与NaOH在甲苯、CCl4及相转移催化剂的作用下生成2-甲基-2-羟基-1-苯基丙酮，产率85.84%。

A mixture of 2-methyl-1-phenyl propanone , CCl_4 and phase transfer catalyst in toluene was treated with NaOH at 20 ℃ to give 85.84 % 1-phenyl-2-hydroxy-2-methyl-1-propanone .

方法：在合成乙酰水杨酰氯时以DMF为催化剂，然后用聚乙二醇（PEG）为相转移催化剂酯化而得贝诺酯。

Method : When Acetylsalicylryl chloride was synthesized , DMF as catalysis was added , and Benorilate was obtained in the presence of Polyethylene glycol ( PEG ) phase transfer catalyst .

苄基化改性以苄基氯作为改性试剂，NaOH作润胀剂及催化剂，十六烷基三甲基溴化铵作相转移催化剂，甲苯作溶剂。

Benzylation was carried out with benzyl chloride as etherifying agent , NaOH as swelling agent and catalyst , cetyl trimethyl ammonium bromide as phase transfer catalyst and toluene as solvent .

以十二水合硫酸铁铵作催化剂，相转移催化剂（PTC）PEG-400为助催化剂，利用超声波和微波辐射催化缩酮反应。

The ketol reaction is catalyzed by ammonium ferric sulfate in the presence of PEG - 400 as a PTC under ultrasound and microwave irradiation .

四丁基溴化铵（TBAB）为相转移催化剂、环己烷为溶剂，用己内酰胺和苯甲酰氯合成了N-苯甲酰基己内酰胺。

Using TBAB as phase transfer catalyst , N benzoyl caprolactam was synthesized from benzoyl chloride and caprolactam in cyclohexane .

室温下，在相转移催化剂TEBA存在时，3可被高锰酸钾氧化，得到1-烷基-4,6-二芳基-2（1H）三嗪酮化合物。

Have been oxidized to 1-alkyl-4,6-diaryl-S-triazine-2 ( 1H ) - ones by potassium permanganate in the presence of TEBA at room temperature .

N-烃基化反应中用PEG-400，PEG-600作为固-液体系相转移催化剂。

PEG 400 and PEG 600 worked as phase transfer catalyst in solid liquid phase N alkylation reactions .

该反应采用聚乙二醇400作相转移催化剂（PTC），加入了一定的溶剂和氢氧化钠，在50℃下反应5h，N，N-二甲氨基-1,3-二氯丙烷的产率可达到40～50%

The reaction uses phase transfer catalyst with polyethylene glycol 400 , Adds spelled solvent and Sodium hydroxide . The reaction lasts five hours at 50 ℃ . Yield of N , N-Dimethylamino-1,3-dichloropropane arrives 40 ~ 50 % .

通过相转移催化剂溴化四丁基铵（TBAB），合成了关键中间产物五乙酰熊果苷，避免使用了昂贵及对环境污染严重的金属盐催化剂。

The key intermediate pentabutyryl Arbutin was synthesized with TBAB as phase-transfer catalytic agent instead of using expensive metal catalyst , which pollutes the environment seriously .

以无水碳酸钾为碱催化剂，PEG-400为相转移催化剂，对羟基苯甲醚为阻聚剂，通过Perkin反应合成肉桂酸，研究了各物料比、回流时间对产品产率的影响。

Cinnamic acid was synthesized by Perkin reaction with anhydrous potassium carbonate as alkaline catalyst and PEG-400 as phase transfer catalyst and 4-hydroxyanisole as polymerization inhibitor .

本课题的研究内容是方便、简单地合成手性前体HPBA，采用化学拆分法制备手性化合物（R）-HPBA，并进行使用手性相转移催化剂不对称合成（？）

In this paper , we expediently , simply synthesized the racemic HPBA , prepared ( R ) - HPBA which using chemical resolution and were engaged in studying the asymmetric synthesis of (?)

四联抗结核固定剂量复合剂临床治疗效果分析四（二乙胺基）溴化鏻（TPB）是制备含氟芳香族化合物的一种新型相转移催化剂。

A Study of Fixed-dose Combinations in Treating Tuberculosis Patients Tetrakis ( diethylamino ) phosphonium bromide ( TPB ) was a novel phase transfer catalyst used to prepare fluorinated aromatic compounds .