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N-Substituted 3,4-dihydroisoquinolinium ionic liquids as catalysts in alkenes epoxidation reactions

Paper ID Volume ID Publish Year Pages File Format Full-Text
40888 45869 2012 9 PDF Available
Title
N-Substituted 3,4-dihydroisoquinolinium ionic liquids as catalysts in alkenes epoxidation reactions
Abstract

Because of their high reactivity, epoxides are one of the most important groups of organic compounds. These substances are synthesised primarily by the catalytic oxidation of alkenes in the liquid or gaseous phase. This study investigated new catalytic systems for epoxidation reactions using functionalised ionic liquids. These ionic liquids serve as oxygen transfer agents during the reactions. Several N-substituted 3,4-dihydroisoquinolinium ionic liquids were synthesised, and their potential as catalysts for epoxidation reactions was investigated. Cyclic alkenes such as cyclohexene and cyclooctene were used as model olefins.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (123 K)Download as PowerPoint slideHighlights► 3,4-Dihydroisoquinolinium ionic liquids were obtained with yield up to 91%. ► The structure of synthesised ionic liquids was characterised using 1H and 13C NMR. ► Synthesised ionic liquids as catalysts in olefin epoxidation was investigated. ► The major products of these reactions were the epoxides with yield up to 70%.

Keywords
3,4-Dihydroisoquinolinium ionic liquids; Alkenes epoxidation; Oxygen transfer agents
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 433–434, 8 August 2012, Pages 197–205
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
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Any Questions? feel free to contact us