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Original Articles

Synthesis and Characterization of 3,3′‐bis(N‐Ferrocenyl methylene formylhydrazone)‐2,2′‐bipyridyl and its Cd(II), Hg(II), Cu(II), and Mn(II) Complexes

, , , , , , & show all
Pages 1709-1719 | Received 02 Jan 2003, Accepted 03 Jun 2004, Published online: 16 Nov 2010
 

Abstract

In this article, 3,3′‐bis(N‐ferrocenylmethylene formylhydrazone)‐2,2′‐bipyridyl and its Cd(II), Hg(II), Cu(II), and Mn(II) complexes have been synthesized and characterized by elemental analyses, IR, 1H NMR spectral, thermal analyses, and molar conductances. In the complexes, 3,3′‐bis(N‐ferrocenylmethylene formylhydrazone)‐2,2′‐bipyridyl coordinates to the transition metal ions using a methylenimine nitrogen, the amide oxygen in the enolic form, the pyridyl nitrogen, the acetate in a symmetrical bidentate manner, and one water molecule, all of which participate in coordination to form a binuclear complex. The ligand and the complexes are insoluble in common organic solvents and slightly soluble in strongly polar solvents such as DMF and DMSO.

Acknowledgment

The authors thank the Natural Science Foundation of China (20271046), the Natural Science Foundation of Henan Province (0211020300), and the Natural Science Foundation of the Henan Education Department (2001500001) for the support of this work.

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