Building blocks for coordination polymers: self-assembled cleft-like and planar discrete metallo-macrocyclic complexes
Date
2012
Authors
Abdul Kadir, M.
Hanton, L.
Sumby, C.
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Journal article
Citation
Dalton Transactions: an international journal of inorganic chemistry, 2012; 41(15):4497-4505
Statement of Responsibility
Maisara Abdul-Kadir, Lyall R. Hanton, and Christopher J. Sumby
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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.
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Dissertation Note
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This journal is © The Royal Society of Chemistry 2012