Issue 37, 2009
From the journal:

Dalton Transactions

Water-soluble metal nanoparticles with PEG-tagged 15-membered azamacrocycles as stabilizers†

Nereida Mejías,a   Anna Serra-Muns,a   Roser Pleixats,*a   Alexandr Shafira  and  Mar Tristanya  

* Corresponding authors

a Department of Chemistry, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, Spain
E-mail: roser.pleixats@uab.cat
Fax: +34 93 581 12 65

Abstract

The synthesis of palladium, platinum and ruthenium nanoparticles stabilized by azamacrocycles bearing polyoxyethylenated chains has been achieved by decomposition of the corresponding organometallic precursors (Pd(dba)2, Pt2(dba)3 and Ru(COD)(COT)) under dihydrogen atmosphere, whereas gold and rhodium nanoparticles have been obtained in the presence of these ligands by reduction of HAuCl4 and RhCl3, respectively. The metal nanoparticles were characterized by several techniques including IR, NMR, UV-vis, HRTEM, ED, and elemental analysis. The Pd nanoparticles have been used as recoverable catalyst in Suzuki cross-coupling in aqueous medium.

Graphical abstract: Water-soluble metal nanoparticles with PEG-tagged 15-membered azamacrocycles as stabilizers

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Article information

DOI
https://doi.org/10.1039/B907705G
Article type
Paper
Submitted
16 Apr 2009
Accepted
07 Jul 2009
First published
30 Jul 2009

Dalton Trans., 2009, 7748-7755

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Water-soluble metal nanoparticles with PEG-tagged 15-membered azamacrocycles as stabilizers

N. Mejías, A. Serra-Muns, R. Pleixats, A. Shafir and M. Tristany, Dalton Trans., 2009, 7748 DOI: 10.1039/B907705G

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