phase transfer catalyst

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.

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The method of catalytic synthesis of benzyl cinnamate with hexadecyl trimethyl ammonium chloride as phase transfer catalyst is studied. The factors influencing the reaction, such as amount of catalyst used, reaction temperature and time, molar ratio of sodium cinnamate to benzyl chloride are investigated.

以十六烷基三甲基氯化铵为相转移催化剂催化合成肉桂酸苄酯，考察了催化剂、温度、时间和物料配比等因素对反应的影响。

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N, N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺.

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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.

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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。

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Tetrakis ( diethylamino ) phosphonium bromide ( TPB ) was a novel phase transfer catalyst used to prepare fluorinated aromatic compounds.

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.

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This paper described the mechanisms of synthesis of benzyl acetate by tetranbutylammonium bromide in the presence of phase transfer catalyst, and such factors as temperature, time are also discussed.

该文描述了相转移催化剂存在时合成醋酸苄酯的机理，对反应温度、反应时间等因素也进行了讨论。

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Preparation of p-tolyl benzyl ether by phase transfer catalyst

相转移催化合成对甲苯苄醚

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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。

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Benzaldehyde was prepared by basic hydrolysis of cassia leaf oil using phase transfer catalyst.

在相转移催化条件下,从桂叶油出发通过碱性水解制备天然苯甲醛.

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Benzyl Benzoate was directly synthesized from benzyl chloride and sodium benzoate under the condition of microwave irradiation and phase transfer catalyst without any organic solvent and inorganic carrier.

采用微波辐射反应技术，利用相转移催化剂，将苯甲酸转化为苯甲酸钠后，在无有机溶剂和无机载体的条件下与氯化苄直接酯化合成苯甲酸苄酯。

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Synthesis of ethyl iso nicotinate using BTEAC ( benzyl triethyl chloride ) as phase transfer catalyst was studied.

以BTEAC ( 苄基三乙基氯化铵 ) 为相转移催化剂合成了异烟酸乙酯.

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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。

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Dicyclohexyl disulfide was prepared by reaction of chlorocyclohexane and sodium disulfide using phase transfer catalyst ( PTC ) .

采用相转移催化剂,氯代环已烷与二硫化钠溶液反应合成了二环已基二 硫醚.

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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

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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。

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The Novel Synthetic Method of Several Perfume Intermediator on the Reaction-Controlled Phase Transfer Catalyst

几种香料中间体的反应控制相转移催化合成法

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It was pointed out that the quaternary ammonium salt was the most important phase transfer catalyst.

指出了此类合成反应中所采用的重要相转移催化剂是季铵盐类.

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The process of synthesizing o-nitroanisole by using phase-transfer catalyst was described.

论述了以相转移催化剂催化合成邻硝基茴香醚的新方法.

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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；

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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

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Tetrabutylammonium bromide ( TBAB ) was found to be the most effective phase-transfer catalyst in this reaction.

本实验中,四丁基溴化铵 ( TBAB ) 是最有效的相转移催化剂.

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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

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Benzyl benzoate was synthesized by the esterification of sodium benzoate and benzyl chloride in the presence of water and triethylamine which was taken as the phase transfer catalyst.

研究了在有水存在下，利用相转移催化剂三乙胺催化苯甲酸钠和氯化苄的酯化反应。

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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。

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Polyvinyl chloride-polyethylene polyamine resin is a new polymer phase transfer catalyst.

它是一种新型的高分子相转移催化剂.

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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.

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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。

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