Issue 15, 2012
From the journal:

Dalton Transactions

Building blocks for coordination polymers: self-assembled cleft-like and planar discrete metallo-macrocyclic complexes†

Maisara Abdul-Kadir,‡a   Lyall R. Hantonb  and  Christopher J. Sumby*a  

* Corresponding authors

a School of Chemistry & Physics, The University of Adelaide, Adelaide, SA, Australia
E-mail: christopher.sumby@adelaide.edu.au
Fax: +61 8 8303 4358
Tel: +61 8 8303 7406

b Department of Chemistry, University of Otago, Dunedin, New Zealand

Abstract

Discrete dinuclear metallo-macrocyclic complexes have been prepared from the flexible amide ligand N-6-[(3-pyridylmethylamino)carbonyl]pyridine-2-carboxylic acid (L1-CH3), and its more rigid analogue, N-6-[(3-pyridylamino)carbonyl]pyridine-2-carboxylic acid (L3-CH3). With ligands L1-CH3 and L3-CH3, discrete dinuclear metallo-macrocyclic complexes with the generic formula [Cu2(L1-CH3)2(X)2(Y)2] (7, X = NO3; 8, X = Cl, Y = H2O; 9, X = ClO4, Y = CH3OH) and [Cu2(L3-CH3)2(X)2(Y)2] (10, X = NO3, Y = H2O; 11, X = ClO4, Y = CH3OH) are obtained. For complexes 7–9, containing the more flexible link L1-CH3, these complexes are cleft-shaped and hinged at the methylene spacer, which allows the cleft to widen and contract to accommodate different packing modes in the solid-state. In contrast, the rigid link L3-CH3 gives near planar metallo-macrocyclic structures. These metallo-macrocyclic compounds may be useful building blocks for coordination polymers.

Graphical abstract: Building blocks for coordination polymers: self-assembled cleft-like and planar discrete metallo-macrocyclic complexes

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Article information

DOI
https://doi.org/10.1039/C2DT12320G
Article type
Paper
Submitted
02 Dec 2011
Accepted
24 Jan 2012
First published
22 Feb 2012

Dalton Trans., 2012,41, 4497-4505

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Building blocks for coordination polymers: self-assembled cleft-like and planar discrete metallo-macrocyclic complexes

M. Abdul-Kadir, L. R. Hanton and C. J. Sumby, Dalton Trans., 2012, 41, 4497 DOI: 10.1039/C2DT12320G

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