Recyclable tetraarylphosphonium supported chiral imidazolidin-4-one organocatalyst for Diels-Alder reactions

被引：14
|
作者：
Lin, Zihan
Chen, Zuxing
Yang, Guichun
Lu, Cuifen [1 ]
机构：
[1] Hubei Univ, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2013年 / 35卷
基金：
美国国家科学基金会;
关键词：
Organocatalyst; Imidazolidin-4-one; Diels-Alder reaction; Tetraarylphosphonium; Recyclable; ORGANIC CATALYSIS; CYCLOADDITION REACTIONS; IONIC LIQUID; STRATEGIES; TRIPHENYLPHOSPHINE; IMMOBILIZATION; EFFICIENT; SALTS;
D O I：
10.1016/j.catcom.2013.01.014
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The tetraarylphosphonium supported chiral imidazolidin-4-ones were synthesized and used to catalyze the Diels-Alder reactions of cyclopentadiene and alpha,beta-unsaturated aldehydes. High enantiomeric excesses and good yields were obtained, and catalyst recycling (up to five cycles) was accompanied by almost intact enantioselectivity and some loss of the chemical efficiency. (C) 2013 Elsevier B.V. All rights reserved.
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页码：1 / 5
页数：5
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