Issue 9, 2011
From the journal:

Catalysis Science & Technology

Conjugate addition of arylboronic acids to α,β-unsaturated carbonyl compounds in aqueous medium using Pd(ii) complexes with dihydroxy-2,2′-bipyridineligands: homogeneous or heterogeneous nano-catalysis?†

Eder Tomás-Mendivil,a   Josefina Díeza  and  Victorio Cadierno*a  

* Corresponding authors

a Departamento de Química Orgánica e Inorgánica, IUQOEM, University of Oviedo, E-33006 Oviedo, Spain
E-mail: vcm@uniovi.es
Fax: (+34)985103446
Tel: (+34)985103453

Abstract

The conjugate addition of arylboronic acids to α,β-unsaturated carbonyl compounds in water under air has been studied using a series of palladium(II) derivatives containing symmetrically disubstituted-2,2′-bipyridine ligands. Among them, best results were obtained with complex [PdCl2{3,3′-(OH)2-2,2′-bipy}] (2a), which selectively provides the desired addition products in good to high yields under mild conditions. Catalytically active palladium nanoparticles are formed in the course of the reactions. In the presence of sodium dodecyl sulfate (SDS) these nanoparticles can be stabilized and recycled.

Graphical abstract: Conjugate addition of arylboronic acids to α,β-unsaturated carbonyl compounds in aqueous medium using Pd(ii) complexes with dihydroxy-2,2′-bipyridine ligands: homogeneous or heterogeneous nano-catalysis?

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Article information

DOI
https://doi.org/10.1039/C1CY00214G
Article type
Paper
Submitted
13 Jun 2011
Accepted
29 Jul 2011
First published
22 Aug 2011

Catal. Sci. Technol., 2011,1, 1605-1615

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Conjugate addition of arylboronic acids to α,β-unsaturated carbonyl compounds in aqueous medium using Pd(II) complexes with dihydroxy-2,2′-bipyridine ligands: homogeneous or heterogeneous nano-catalysis?

E. Tomás-Mendivil, J. Díez and V. Cadierno, Catal. Sci. Technol., 2011, 1, 1605 DOI: 10.1039/C1CY00214G

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