Synthesis of Benzyl 4-Hydroxy Benzoate Using Microwave in Dry Process without a Supporter

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。

互联网摘选

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。

互联网摘选

The synthesis of benzyl benzoate from sodium benzoate and benzyl chloride by phase transfer catalysis process is studied in the article.

由苯甲酸钠和氯化苄通过相转移催化法合成了苯（甲）酸苄酯，考察了几种季铵盐类相转移催化剂的亲核取代反应性能。

互联网摘选

There were also traces of benzoic acid and benzyl benzoate detected under some special reaction conditions.

然而，在某些特殊的条件下，也会有微量的苯甲酸以及苯甲酸苄酯检测到。

互联网摘选

The major constituents are: β-Caryophyllene, γ-Cadinene, Benzyl benzoate and α-Humulene.

主要成分为：β-石竹烯，杜松烯，苯甲酸苄酯，α-葎草烯等。

互联网摘选

Benzyl benzoate, an important chemical raw material, is used for a variety of floral essences as styling agent and correction fragrance, and also has many applications in the food flavor.

苯甲酸苄酯（Benzyl benzoate）是一种重要的化工原料，常用作多种花香香精的定型剂和矫香剂，在食用香精中也有较多的应用。

互联网摘选

Study on the aqueous-two-phase extraction separation of Hg(ⅱ) with tetrabutylammonium bromide-( NH_4)_2SO_4 system The Synthesis of Benzyl Formate Using the Catalyst of TBAB

在硫酸铵存在下用四丁基溴化胺-水体系萃取分离汞四丁基溴化铵催化合成甲酸苄酯的研究

互联网摘选

The p-tolyl benzyl ether was synthesized by reaction ofp-cresol and benzyl chloride in95% ethanol as solvent and under microwave irradiation.

以95%的乙醇为溶剂，以氯化苄和对甲苯酚为原料利用微波辐射加热合成对甲苯基苄基醚。

互联网摘选

Phase-transfer catalytic behavior of polystyrene-supported polyethylene glycol benzyl ether

聚合物固载的聚乙二醇苄醚的相转移催化作用

互联网摘选

Study on the Supramolecular Inclusion Complex of Fullerenes with p tert butyl Calixarene Benzyl Ether

球烯与对叔丁基杯[8]芳烃苯醚形成超分子包合物的研究

互联网摘选

Studies of synthesis of 4-Nitrophenyl Benzyl Ether and 2,4-Dinitrophenyl Ethyl Ether

硝基苯基苄醚与2,4-二硝基苯基乙基醚的合成研究

互联网摘选

Studies on Synthesis, Phase Transfer Catalysis and Catalytic Mechanism of Polystyrene-Supported Polyethylene Glycol Benzyl Ether

聚苯乙烯固载化聚乙二醇苄醚的合成、相转移催化及机理研究

互联网摘选

Preparation of p-tolyl benzyl ether by phase transfer catalyst

相转移催化合成对甲苯苄醚

互联网摘选

Benzyl alcohol is the most important aromatic alcohol. Nowadays benzyl alcohol is synthesized by the hydrolysis of benzyl chloride in the presence of alkali, but with almost 10-20% benzyl ether, the by-product.

苯甲醇是最简单的，也是最重要的芳香醇，目前合成苯甲醇主要是通过氯化苄直接碱性水解，但是现有方法的副产物二苄醚含量达到10%～20%。

互联网摘选

The optimal conditions were found to be the molar ratio of benzyl chloride to OH group in bamboo 3, reaction temperature 80 ℃, and reaction time 2 h. It was found that the crystalline structure of the native ball-milled bamboo was damaged after benzylation modification.

适宜条件为：氯化苄对竹粉羟基的摩尔比3，反应温度80℃，时间2h。原本球磨竹粉在苄基化改性后结晶结构发生了破坏。

互联网摘选

Synthesis and application of water soluble polysiloxane containing benzyl cationic group

含苄基阳离子基团的水溶性聚硅氧烷的合成及应用

互联网摘选

The protecting benzyl group was removed subsequently by catalytic hydrogenation to give poly ( 5-hydroxymethyl-1,4-dioxan-2-one)( PHDON) with pendant hydroxyl groups. The polymers obtained were characterized by FTIR, 1H NMR, 13C NMR and GPC.

通过催化氢化去除苄基保护基得到聚（5-羟甲基-1,4-二氧六环-2-酮）（PHDON），并用FTIR、1H NMR、13c NMR和GPC等方法对聚合物进行了表征。

互联网摘选

The material with benzyl group as the linker shows higher catalytic activity and enantioselectivity than the material with propyl group as the linker, which is mainly due to the spacial rigidity and electron-withdrawing ability of the benzyl group.

研究表明以苄基作为环己二胺联结链的材料的催化活性和光学选择性高于相应的以丙基为联结链所得的材料，这主要归因于苄基的空间刚性和较强的吸电子性质。

互联网摘选

Using sodium cinnamate and benzyl chloride as raw material, diethylamine as catalyst, benzyl cinnamate is synthesized directly under normal pressure and microwave irradiation. The effects of amount of catalyst, power and time of microwave irradiation on yield are studied.

以肉桂酸钠和氯化苄为原料，二乙胺作催化剂，采用微波辐射技术，在常压下直接合成肉桂酸苄酯，考查了催化剂用量、微波辐射功率和辐射时间对酯产率的影响。

互联网摘选

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。

互联网摘选