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Nitration of aromatic compounds with NO2/air catalyzed by sulfonic acid-functionalized ionic liquids

Paper ID Volume ID Publish Year Pages File Format Full-Text
51619 46848 2008 4 PDF Available
Title
Nitration of aromatic compounds with NO2/air catalyzed by sulfonic acid-functionalized ionic liquids
Abstract

Nitration of aromatic compounds with NO2/air catalyzed by sulfonic acid-functionalized ionic liquid under solvent-free conditions is reported. A variety of ionic liquids [BSPy][HSO4], [BSPy][TfO], and [BSPy][pTSA] ([BSPy] = N-(4-hydroxsulfonylbutyl) pyridinium) were prepared. Their acidities were further investigated by Hammett method and the acidity-catalytic relationship was discussed. It was found that satisfactory results were obtained with [BSPy][HSO4]. Ionic liquids could be conveniently separated with the products and reused for five times with excellent yield of mono-nitration products and para-selectivity.

Keywords
Nitration; NO2/air; Ionic liquid
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Nitration of aromatic compounds with NO2/air catalyzed by sulfonic acid-functionalized ionic liquids
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 2, 15 November 2008, Pages 201–204
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
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Full-text PDF Download
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