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Evaluation of ionic liquid soluble imidazolium tetrachloropalladate pre-catalysts in Suzuki coupling reactions

Paper ID Volume ID Publish Year Pages File Format Full-Text
55428 47052 2012 6 PDF Available
Title
Evaluation of ionic liquid soluble imidazolium tetrachloropalladate pre-catalysts in Suzuki coupling reactions
Abstract

Imidazolium salts with aromatic groups 1,3-bis(9-anthracenylmethyl)imidazolium chloride ([Bamim]Cl), 1,3-bis(1-naphthalenylmethyl)imidazolium chloride ([Bnmim]Cl) and 1,3-bis(benzylmethyl)imidazolium chloride ([Bbmim]Cl) were reacted with PdCl2 forming the analogous tetrachloropalladate salts. These palladium-containing salts were evaluated as pre-catalysts in Suzuki cross-coupling reactions in ionic liquids generally resulting in high conversions. The formation of palladium nanoparticles is observed and their role in the overall catalytic mechanism is discussed.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (177 K)Download as PowerPoint slideHighlights► Three imidazolium tetrachloropalladates were synthesized and crystal structures identified. ► They proved to be active pre-catalyst for Suzuki reactions. ► The effect of cations on the efficiency of the reaction were studied and rationalized.

Keywords
Suzuki reaction; Ionic liquids; Catalysis; Palladium; Tetrachloropalladates; Nanoparticles
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Evaluation of ionic liquid soluble imidazolium tetrachloropalladate pre-catalysts in Suzuki coupling reactions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 183, Issue 1, 20 March 2012, Pages 172–177
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
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