Synthesis, characterization, and catalytic activity of ionic liquids based on biosources

被引：122

作者：

Moriel, P. ^{[1
]}

Garcia-Suarez, E. J. ^{[1
]}

Martinez, M. ^{[1
]}

Garcia, A. B. ^{[1
]}

Montes-Moran, M. A. ^{[1
]}

Calvino-Casilda, V. ^{[2
]}

Banares, M. A. ^{[2
]}

机构：

[1] CSIC, Inst Nacl Carbon, Oviedo 33011, Spain

[2] CSIC, Inst Catalisis & Petroleoquim, E-28049 Madrid, Spain

来源：

TETRAHEDRON LETTERS | 2010年 / 51卷 / 37期

关键词：

Biosources; Ionic liquids; Knoevenagel condensation; Green process; Catalysis; KNOEVENAGEL CONDENSATION REACTION; MOLTEN-SALTS; AMINO; SOLVENTS; GREEN; BENZALDEHYDE; EFFICIENT; GLUCOSE; CARBONS; DESIGN;

D O I：

10.1016/j.tetlet.2010.07.060

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

New room-temperature ionic liquids were synthesized from natural and easily available feedstocks (choline hydroxide and amino acids) following an economical and green route in which the only by-product was water. They were successfully applied as catalysts for the Knoevenagel test reaction between benzaldehyde and different active methylene compounds, at room temperature and under solvent-free conditions, to produce alpha,beta-unsaturated carbonyl compounds, exhibiting good conversions and high selectivities. The catalytic role of cholinium and aminoacetate ions in the Knoevenagel condensation is discussed. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：4877 / 4881

页数：5

共 51 条

[1] Supported choline hydroxide (ionic liquid) as heterogeneous catalyst for aldol condensation reactions [J].