phase transfer

The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

通过添加适量四丁基溴化铵为相转移催化剂，使用过量的亚磷酸二异丙酯以补偿其在强碱环境中的水解，从而提高了反应产率。

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

A-1相转移催化剂常压催化合成对硝基苯酚

By taking four kinds of quaternary ammonium salts as the phase transfer catalysts, octyl glycidyl ether have been prepared directly form 1-octanol and epichloro-hydrin, and the reaction mechanism is studied primitively.

利用4种具有不同结构的季铵化合物作为相转移催化剂，以正辛醇和环氧氯丙烷为原料一步合成了辛基缩水甘油醚，并对其反应机理作了初步研究。

Herein, we describe a rapid, simple and practical procedure for the phase transfer catalytic ( PTC) synthesis of a wide range of α-hydroxy acids by means of a microwave-assisted addition reaction in one pot.

开发了一种快速、简单和实用的系列α羟基酸的合成方法，在微波辐照相转移催化的条件下实现了一锅法α羟基酸合成。

A technological improvement was made on the synthesis of benzyl acetate by the condensation reaction with n tetrabutylammonium chloride as the phase transfer catalyst.

用氯化四正丁基铵作为相转移催化剂，对缩合法合成乙酸苄酯工艺进行改进。

This paper reported for the first time that we applied phase transfer catalysts in the saponification reactions of starch graft polyacrylonitrile ( SPAN). As contrasted with conventional method, the saponification time can be shortened about 30%.

将相转移催化剂应用于淀粉丙烯腈接枝共聚物（SPAN）的皂化反应，与传统的皂化方法比较，皂化时间缩短了30%左右；

Phase Transfer Catalytic P Alkylation of Dialkyl thiophosphite

硫代亚磷酸酯的固液相转移催化磷-烷基化方法

The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。

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

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。

Studies of Phase Transfer Catalysis in the Electrophilic Substitution ── Relation between the Catalytic Power and the Structure

亲电取代反应中相转移催化剂结构和性能的关系

The Synthesis and Application of a Difunctional Group Phase Transfer Catalyst

双官能团相转移催化剂的合成和应用

Phase transfer catalytic synthesis of 6-methoxy-α-tetralone

6-甲氧基-α-萘满酮的相转移催化合成

The Friedel-Crafts Alkylation by Anion Phase Transfer Catalysis

阴离子相转移催化的Friedel-Crafts烷基化反应

Green Oxidizing Process of Benzyl Alcohol by Potassium Ferrate with Phase Transfer Catalysis

用绿色氧化剂高铁酸钾相转移催化氧化苯甲醇

Preparation of Benzaldehyde by Hydrolysis of Cassia Leaf Oil Using Phase transfer Catalysts

相转移催化条件下从桂叶油制备天然苯甲醛的研究

< title> e Phase Transfer CatalYsis Synthesis of Benzalacetone

苄叉丙酮的相转移催化合成

Studies of Phase Transfer Catalysis for N-Alkylation of 2-Methylindole

相转移催化2－甲基吲哚的N－烷基化反应

Nitrodiphenylamine is synthesized by direct condensing method, adopting aniline-nitrochlorobenzene as feeds, PEG as phase transfer catalyst.

以苯胺 、 邻硝基氯苯为原料, 采用直接缩合法引入相转移催化剂合成邻硝基二苯胺.

These dyes have been cyanated through phase transfer catalysis, the ex-tinction coeffcients of two blue heterocyclic disperse dyes containing cyano have been obtained so high up to 80 000-90 000 m2/ mol.

所得的两个含氰基蓝色杂环分散染料，它们的摩尔吸收系数高达80000～90000m2／mol。

The synthesis of dodecyl glycidyl ether was studied under microwave irradiation with TBAB as the phase transfer catalyst. Detailed studies were made on the effect of the microwave power, time of microwave radiation, and the matching of reactant on the yield ratio of reaction product.

采用微波辐射技术，以四丁基溴化铵为相转移催化剂催化合成了十二烷基缩水甘油醚，研究了微波功率、辐射时间、反应物配比对反应产物收率的影响。

The novel synthetic method of perfume intermediator, such as styrene oxide, on the reaction-controlled phase transfer catalyst was studied.

本文介绍了环氧苯乙烷等几种香料中间体的反应控制相转移催化合成法。

Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis ( PTC) with tetrabutyl ammonium chloride hydroxide as catalyst.

采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸，将肿瘤导向基团引入了可生物降解药物载体。

Ten sulfo-group containing compound were tested whether they could be used as the phase transfer catalyst ( PT CS) for the electrophilic substitution in the solution of H2O/ CH3COONa-CH3COOH/ ClCH2Cl by measuring the coupling reaction rate constant.

选择了10个含磺酸基团的化合物作为相转移催化剂，测定其在H2O／CH2COOH－CH3COONa／ClCH2Cl体系中的亲电偶合反应速率常数。

Synthesis of α-Amino Acids with Carbene Method through Phase Transfer Catalysts of Phosphonium Salt

季鏻盐相转移催化卡宾法合成α-氨基酸

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

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；

Phase transfer catalyzes disproportion reaction of furaldehyde

相转移催化糠醛歧化反应的研究

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.

In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.

采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。

Phase transfer catalytic reaction and its mechanism

相转移催化反应及其机理

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