Chiral supramolecular metal-organic architectures from dinuclear copper complexes

Pradeep, Chullikkattil P. ; Das, Samar K. (2009) Chiral supramolecular metal-organic architectures from dinuclear copper complexes Polyhedron, 28 (3). pp. 630-636. ISSN 0277-5387

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Two new chiral dinuclear Cu(II) complexes [Cu2(μ-Cl)2(HL1)2] · C2H5OH (1) and [Cu2(μ-Cl)2(HL2)2] · CH3OH (2), have been synthesized and structurally characterized, where the chiral ligands H2L1 and H2L2 are derived from the chiral amino alcohols (S)-(-)-2-amino-3-phenyl-1-propanol and (S)-(+)-2-phenylglycinol. Single-crystal X-ray crystallographic analyses revealed that in these complexes, the dominant hydrogen bonding property of metal bound chloride anion directs the self assembly of complex molecules through C-H···Cl hydrogen bonding interactions leading to the formation of intriguing hydrogen bonded metallo-supramolecular architectures in their respective crystal lattices. The supramolecular systems described here belong to the rare class of metal-organic architectures that are formed as a result of metal directed hydrogen bonding interactions among chiral complex molecules. Complexes 1 and 2 are further characterized by IR, ESR, UV-Vis and CD spectroscopy.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Chiral Complexes; Copper; Chiral Amino Alcohols; Hydrogen Bonding; Supramolecular Chemistry
ID Code:63425
Deposited On:29 Sep 2011 04:32
Last Modified:29 Sep 2011 04:32

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