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Arylation of alkynes over hydrotalcite docked Rh-m-TPPTC complex

Paper ID Volume ID Publish Year Pages File Format Full-Text
54024 46993 2015 8 PDF Available
Title
Arylation of alkynes over hydrotalcite docked Rh-m-TPPTC complex
Abstract

•Immobilization of water-soluble Rh-m-TPPTC and Rh-TPPTS complexes onto a layered double hydroxide Zn-Al (LDH).•Catalysts characterizations: XRD patterns and ICP-AES analyses.•Rh-catalyzed hydroarylation of alkynes in biphasic aqueous medium.•Recycling of the catalyst.

Rh-m-TPPTC complex was successful immobilized onto a hydrotalcite Zn-Al to convert selectively in aqueous media both the symmetric and nonsymmetric alkynes into functionalized alkenes, with boronic acids. The complex preserved its activity after the ionic exchange, leading to excellent results (∼87%) for the symmetric alkynes and also for the non-symmetrical alkynes (up to 99%).

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Keywords
Alkynes; Arylboronic acid; Heterogeneous catalysis; Water; Rhodium
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Arylation of alkynes over hydrotalcite docked Rh-m-TPPTC complex
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 247, 1 June 2015, Pages 155–162
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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