Acidic ionic liquid immobilized on cellulose: an efficient and recyclable heterogeneous catalyst for the solvent-free synthesis of hydroxylated trisubstituted pyridines

被引：36

作者：

Satasia, Shailesh P. ^{[1
]}

Kalaria, Piyush N. ^{[1
]}

Raval, Dipak K. ^{[1
]}

机构：

[1] Sardar Patel Univ, Dept Chem, Vallabh Vidyanagar 388120, Gujarat, India

来源：

RSC ADVANCES | 2013年 / 3卷 / 10期

关键词：

ONE-POT SYNTHESIS; ASYMMETRIC HYDROGENATION; MICROWAVE; 2,4,6-TRIARYLPYRIDINES; DERIVATIVES; CONVENIENT; PROTOCOL;

D O I：

10.1039/c3ra23052j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis of a novel cellulose supported acidic ionic liquid (Cell-IL) for the solvent-free synthesis of hydroxylated trisubstituted pyridines is reported. Cell-IL was prepared by immobilization of an acidic ionic liquid [1-butyl-3-(3-trimethoxypropyl)-1H-imidazol-3-ium hydrogen sulfate] on cellulose. The viability of this concept has been confirmed by FT-IR, TGA-DTG, H-1 NMR and elemental analysis. The Cell-IL showed good thermal stability and exhibited a high catalytic activity in the synthesis of a series of hydroxylated trisubstituted pyridines. It was recovered and reused for the model reaction three times without an appreciable change in its activity.

引用

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页码：3184 / 3188

页数：5

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