Issue 20, 2010
From the journal:

Dalton Transactions

Metalloligands for designing single-molecule and single-chain magnets†

Jean-Pierre Costes,*ab   Laure Vendierab  and  Wolfgang Wernsdorfer*c  

* Corresponding authors

a CNRS; LCC (Laboratoire de Chimie de Coordination), 205, route de Narbonne, Toulouse, France
E-mail: jean-pierre.costes@lcc-toulouse.fr

b Université de Toulouse; UPS, INPT; LCC, Toulouse, France

c Institut Néel, CNRS, BP 166, 25 Avenue des Martyrs, Grenoble Cedex 9, France

Abstract

2-Hydroxy-N-{2-[2-hydroxyethyl)amino]ethyl}benzamide (L1H3) and 2-hydroxy-N-{2-[2-hydroxybutyl)amino]ethyl}benzamide (L2H3) ligands coordinate to copper ions to give anionic metalloligands, L1Cu− and L2Cu−, after deprotonation of their amide, alcohol and phenol functions. In presence of ancillary ligands as diketones, these metalloligands react with lanthanide salts to yield tetranuclear [Cu-Ln]2 complexes while in presence of lanthanide salts alone, L1Cu− gives 1D chains of tetranuclear entities linked through the Ln ions. The micro-SQUID data evidence the SMM behavior of the tetranuclear Tb complexes and the SCM behavior of the Tb chain derivative.

Graphical abstract: Metalloligands for designing single-molecule and single-chain magnets

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Article information

DOI
https://doi.org/10.1039/B926739E
Article type
Paper
Submitted
22 Dec 2009
Accepted
09 Mar 2010
First published
25 Mar 2010

Dalton Trans., 2010,39, 4886-4892

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Metalloligands for designing single-molecule and single-chain magnets

J. Costes, L. Vendier and W. Wernsdorfer, Dalton Trans., 2010, 39, 4886 DOI: 10.1039/B926739E

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