An Environmentally Benign Protocol for Aqueous Synthesis of Tetrahydrobenzo[b] Pyrans Catalyzed by Cost-Effective Ionic Liquid

被引：78

作者：

Hu, Huanan ^{[1
,2
]}

Qiu, Fangli ^{[1
,2
]}

Ying, Anguo ^{[1
,2
]}

Yang, Jianguo ^{[1
,2
]}

Meng, Haiping ^{[2
]}

机构：

[1] Taizhou Univ, Inst Appl Chem, Taizhou 318000, Peoples R China

[2] Taizhou Univ, Sch Pharmaceut & Chem Engn, Taizhou 318000, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2014年 / 15卷 / 04期

基金：

中国国家自然科学基金;

关键词：

pyran; choline hydroxide; ionic liquid; cost-effectiveness; biodegradability; recyclability; ONE-POT SYNTHESIS; SOLVENT-FREE CONDITIONS; EFFICIENT SYNTHESIS; VERSATILE CATALYST; ORGANIC-SYNTHESIS; ALPHA; BETA-UNSATURATED KETONES; KNOEVENAGEL CONDENSATION; MULTICOMPONENT REACTIONS; HETEROGENEOUS CATALYST; MICROWAVE IRRADIATION;

D O I：

10.3390/ijms15046897

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A mild, efficient, and environmentally benign protocol for the synthesis of tetrahydrobenzo[b] pyran derivatives in the presence of readily accessible, biodegradable, and choline hydroxide based ionic liquid as catalyst has been established. The key features of the reported methodology include good to excellent yields of desired products, simple work-up procedure and good recyclability of catalysts, which may be a practical alternative to the existing conventional processes for the preparation of 4-H pyrans to cater to the requirements of academia as well as industry.

引用

页码：6897 / 6909

页数：13

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