Phase-Transfer Catalysts的意思|示意

The third part: Synthesis of bis (indolyl) methanes assisted by two phase transfer catalysts.

第三部分：相转移催化剂作用下合成二吲哚甲烷的研究。

Quaternary ammonium heteropolyphosphatotungstate, as one kind of the phase transfer catalysts, has good catalysis activity in two phase catalysis reaction of micelle.

磷钨杂多酸季铵盐作为相转移催化剂，在胶束两相催化反应中具有良好催化效率。

The suitable technological conditions were investigated for each steps. In order to increase the yield of fluorination which was the key step, some phase transfer catalysts were used and researched.

探索了各步反应的工艺条件，对其中的关键步骤氟化反应，使用相转移催化剂取得较好的效果，反应收率比溶剂法提高10%左右。

The results of the experiments show that PEG300 ~ 600 are good phase transfer catalysts.

实验结果表明：PEG300 ~ 600是合适的固-液相转移催化剂。

Preparation of trimethylsilyl quaternary ammonium salt phase transfer catalysts and their application in the synthesis of esterified carbon functional groups organic silicone monomers;

以对氯苯乙腈为原料 ，苄基三甲基氯化铵为相转移催化剂 ，在碱性条件下进行水解反应制备对氯苯乙酸。

This paper reviews the research activities of calixarenes in the area of inverse phase transfer catalysts, artificial enzyme and the others in recent years.

本文综述了国内外近年来杯芳烃在反相转移催化剂、模拟酶及其他催化性能方面的研究进展。