Determination of the content of benzyl benzoate in cream by HPLC;
高效液相色谱法测定苯(甲)酸苄酯乳膏中苯(甲)酸苄酯的含量
Determination of the content of benzyl benzoate by GC;
气相色谱法测定苯(甲)酸苄酯的含量
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。
OBJECTIVE To Determine the content of benzyl benzoate in benzyl benzoate cream by HPLC.
目的:建立高效液相色谱法测定苯(甲)酸苄酯乳膏中苯(甲)酸苄酯的含量。
Study on synthesis of benzyl p-hydroxybenzoate by phase transfer catalysis;
相转移催化合成对羟基苯(甲)酸苄酯的研究
Synthesis of Benzyl 4-hydroxy benzoate by Microwave Irradiation;
微波辐射合成对羟基苯(甲)酸苄酯
A study on technological improvement for synthesis of benzyl 4-hydroxybenzoate;
对羟基苯(甲)酸苄酯合成工艺改进研究
In this article, the preparation of benzyl 4-hydroxybenzoate in water was reported, with 4-hydroxybenzoic acid and benzyl chloride as main raw materials, cetyl trimthylamonium bromide as phrase transfer catalyst.
采用改进工艺,以正十六烷基三甲基溴化铵为相转移催化剂,水为溶剂,对羟基苯甲酸和氯化苄为主要原料,合成对羟基苯(甲)酸苄酯。
TLC densitometric determination of benzylis benzoatis and dibulylis phthalatis in lotion;
采用双波长薄层色谱扫描法同时测定复方苯(甲)酸苄酯洗剂中苯(甲)酸苄酯与邻苯二甲酸二丁酯的含量，点样后能将本品中两个有效成分很好地分离，在ＧＦ２５４板上，经甲苯∶二氯甲烷（２∶１）混合溶剂展开，反射锯齿扫描测定，λｓ２３５ｎｍ，λＲ２６０ｎｍ，以外标两点法定量。
The p-benzyloxy benzyl benzoate was directly synthesized by esterification and etherization reactions simultaneously of benzyl chloride and p-hydroxybenzoic acid in the presence of phase transfer catalyst,Na2CO3,and water.
以水为溶剂,在相转移催化剂和碱存在下,对羟基苯甲酸和氯化苄同时发生酯化反应和醚化反应,生成对苄氧基苯(甲)酸苄酯。