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Synthesis and applications of highly efficient, reusable, sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
50311 46789 2011 5 PDF Available
Title
Synthesis and applications of highly efficient, reusable, sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts
Abstract

A variety of sulfonic acid group functionalized Brönsted acidic ionic liquids (BAILs) catalysts were synthesized. Catalytic activities of BAILs were assessed using condensation and esterification reactions. Catalytic activities of BAILs were high when compared with H-ZSM-5, H-BETA, sulfonic acid functionalized SBA-15 catalyst. The Hammett acidity order determined from UV–visible spectroscopy of BAILs is consistent with their activity order observed in acid-catalyzed reactions. Recycling experiments suggests that these novel BAILs can be reused without significant loss in catalytic activity. Novel BAILs offers several attractive features such as low cost, high catalytic activity and recyclability.

Graphical abstractBrönsted acidic ionic liquid (BAIL-1 to BAIL-5) were found to be novel acid catalysts.Figure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► Several imidazole based Brönsted acidic ionic liquids (BAILs) were developed. ► Hammett acidity of these ionic liquids was measured using UV–visible spectroscopy. ► Catalytic activities of BAILs were high compared to several solid acid catalysts. ► BAILs can be recycled without significant loss in catalytic activity.

Keywords
Sulfonic acid functionalized ionic liquids; Hammett acidity; Condensation; Esterification
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Synthesis and applications of highly efficient, reusable, sulfonic acid group functionalized Brönsted acidic ionic liquid catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 15, 15 September 2011, Pages 1420–1424
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us