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Two complexes of copper(ii) salts with 5-amino-3-(pyrid-2-yl)-1H-pyrazole, the prototype for a new class of ditopic ligand

Lookup NU author(s): Emeritus Professor Bill CleggORCiD



The synthesis and crystallographic characterization of two copper salt complexes of ditopic ligand is examined. The result shows that ligand L can chelate to both the cation and anion of a transition metal salt. The copper ligand bond lengths in the two complexes lie within the usual ranges. A third hydrogen bond involves the other L ligand from a symmetry related complex molecule, which associates with the anion in monodentate fashion through its NH2 group. The functionalization of the amine or pyrazole moieties in L with additional hydrogen bond donors and /or hydrophobic substituents leads to a variety of new ditopic ligand geometries.

Publication metadata

Author(s): Pask CM, Camm KD, Bullen NJ, Carr MJ, Clegg W, Kilner CA, Halcrow MA

Publication type: Article

Publication status: Published

Journal: Dalton Transactions

Year: 2006

Issue: 5

Pages: 662-664

Print publication date: 01/01/2006

Date deposited: 05/07/2010

ISSN (print): 1477-9226

ISSN (electronic): 1477-9234

Publisher: Royal Society of Chemistry


DOI: 10.1039/b514634h


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