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Mode of Coordination and Chemical Reactivity of Alpha-Imine Hydrasone Ligands

Balakrishnan, KP and Krishnan, V (1980) Mode of Coordination and Chemical Reactivity of Alpha-Imine Hydrasone Ligands. In: Journal of Coordination Chemistry, 10 (3). pp. 181-186.

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Interaction of nickel(I1) and copper(I1) complexes of 4,9-dimethy1-5,8-diazadodeca-4,8diene-2,1 ldione, Ni(baen) and 4,6,9-trimethyl-5, 8diazadodeca-4,8-diene-2,ll-dione, Ni(bapn), with arene diazonium chlorides in buffered solutions of methanol yielded metal derivatives of glyoxaliminearylhydrazones. This typical electrophilic addition at the 3-carbon of the complex occurs owing to the pseudo aromatic behaviour of the chelate ring. A mechanism which predicts the attack of the diazonium cation through the coordination shell of the metal is well documented from the available experimental evidences. The chemical reactivity of a few complexes with a single residual non-substituted y-carbon is reasonably manifested by their reaction with phenyl isocyanate.

Item Type: Journal Article
Publication: Journal of Coordination Chemistry
Publisher: Taylor and Francis
Additional Information: Copyright of this article belongs to Taylor and Francis.
Keywords: Glyoxaliminearylhydrazones of Ni(II) and Cu(II); Mode of coordination; mechanism of diazo coupling reaction; Reactivity with phenyl isocyanate
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 29 Jan 2010 07:47
Last Modified: 29 Jan 2010 07:47
URI: http://eprints.iisc.ac.in/id/eprint/21310

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