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Benzimidazolium sulfonate ligand precursors and application in ruthenium-catalyzed aromatic amine alkylation with alcohols

Paper ID Volume ID Publish Year Pages File Format Full-Text
49252 46730 2016 6 PDF Available
Title
Benzimidazolium sulfonate ligand precursors and application in ruthenium-catalyzed aromatic amine alkylation with alcohols
Abstract

•New benzimidazolium sulfonate salts•In situ generated catalyst from [RuCl2(p-cymene)]2 and benzimidazolium sulfonate•N-alkylation of aromatic amines with alcohols via hydrogen borrowing process

New benzimidazolium sulfonate salts have been prepared and fully characterized. They have been associated in situ with [RuCl2(p-cymene)]2 to generate efficient catalytic systems operating at 120 °C under neat conditions in the presence of potassium tert-butylate for selective N-alkylation of primary aromatic amines into secondary amines.

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Keywords
Benzimidazolium sulfonates; Ruthenium catalysis; N-alkylation; Hydrogen borrowing
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Benzimidazolium sulfonate ligand precursors and application in ruthenium-catalyzed aromatic amine alkylation with alcohols
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 74, 10 January 2016, Pages 33–38
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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