1) inverse phase transfer catalyst
逆向相转移催化
1.
For this kind of reaction,good product yields were obtained when quaternary ammonium salt or polyethylene glycols as phase transfer catalyst and the activity of cyclodcxtrin or its derivatives as inverse phase transfer catalyst was high.
系统地总结了相转移催化和逆向相转移催化在烯烃氧化合成酮类物质中的应用,在烯烃氧化合成酮类物质的过程中,季铵盐、聚乙二醇均是非常优良的相转移催化剂,环糊精及其衍生物是一类典型的逆向相转移催化剂。
2) reversible phase transfer catalyst
正向相转移催化剂
1.
To make use of the host - guest inclusion interaction involving urea and aliphatic aldehyde, urea was employed as a reversible phase transfer catalyst ( RPTC) .
以脂肪醛、氯仿、氢氧化钾和氨水为原料,利用尿素对直链脂肪醛的主客体包合作用,将尿素作为反向相转移催化剂,与正向相转移催化剂十六烷基三甲基溴化铵协同催化一锅合成脂肪族α-氨基酸,取得了一定的效果,并具有操作简单方便、反应条件温和、不用剧毒物等优点。
3) forward phase transfer catalyst
反向相转移催化剂
1.
In the presence of forward phase transfer catalyst (FPTC) (CTMAB) and RPTC binary catalyst system, aliphatic - a - amino acids were synthesized in a one - pot manner from aliphatic aldehydes, potassium hydroxide, ammonia and chloroform.
以脂肪醛、氯仿、氢氧化钾和氨水为原料,利用尿素对直链脂肪醛的主客体包合作用,将尿素作为反向相转移催化剂,与正向相转移催化剂十六烷基三甲基溴化铵协同催化一锅合成脂肪族α-氨基酸,取得了一定的效果,并具有操作简单方便、反应条件温和、不用剧毒物等优点。
4) phase transfer catalysis
相转移催化
1.
Study of oxidative desulfurization of thiophene by phase transfer catalysis;
季铵盐相转移催化氧化噻吩的研究
2.
Synthesis of 4-vinylbenzyl alcohol by phase transfer catalysis;
相转移催化法合成对乙烯基苯甲醇
3.
Synthesis of isoamyl acetate by phase transfer catalysis;
相转移催化合成乙酸异戊酯
5) PTC
相转移催化
1.
Synthesis of o Ethoxyaniline by the PTC;
邻氨基苯乙醚的相转移催化合成
2.
The Application of PTC in Production of Phenylacetonitrile Intermediate;
相转移催化剂(PTC)在苯乙腈中间体生产中的应用
3.
The following three materials: 3-Benzyloxy-4-methoxybenzaldehyde、3,4-Dibenzyloxybenzaldehyde and 2,4,5-Tribenzyloxybenzaldehyde were synthesized as intermediates for Lamellarins by adding PTC to the reaction system.
通过向反应体系中加入相转移催化剂———三乙基苄基氯化铵,使每步反应的收率均提高20%左右,并通过1H NMR、IR、UV和熔点测定等手段对合成的化合物进行结构表征。
6) phase-transfer catalysis
相转移催化
1.
Synthesis of ethyl vanillin by the phase-transfer catalysis;
乙基香兰素的相转移催化合成
2.
Study on synthesis of 7-hydroxyflavone with phase-transfer catalysis
相转移催化法合成7-羟基黄酮的研究
3.
Synthesis of penetrating agent N-butylbenzisothiazolone by phase-transfer catalysis
促渗剂N-正丁基苯并异噻唑酮的相转移催化合成
补充资料：高分子相转移催化剂
分子式：
CAS号：
性质：经过高分子化的相转移催化剂。催化效率高，不污染反应物和产物，催化剂回收容易，环境污染较小。主要包括亲脂性的有机离子化合物(季铵盐和磷鎓盐)和非离子型的冠醚类化合物。
CAS号：
性质：经过高分子化的相转移催化剂。催化效率高，不污染反应物和产物，催化剂回收容易，环境污染较小。主要包括亲脂性的有机离子化合物(季铵盐和磷鎓盐)和非离子型的冠醚类化合物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条