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Synthesis and structure of ferrocene-linked Schiff base porphyrins.

Vaijayanthimala, G and Francis, D and Krishnan, V (1990) Synthesis and structure of ferrocene-linked Schiff base porphyrins. In: Journal of Coordination Chemistry, 21 (4). pp. 333-342.

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Abstract

A series of mono ferrocene Schiff-base porphyrins in which the ferrocene unit is disposed in different orientations to the porphyrin core have been synthesized from meso-5(o- or p)aminophenyl-10,15,20-triphenyl-21,23-H-porphyrin and ferrocenecarboxaldehyde. The optical and magnetic resonance spectral features of these derivs. reveal weak interactions between ferrocene and porphyrin units. The kinetics of metal incorporation into the free-base ferrocenyl porphyrins indicate the steric features induced by the ferrocene unit. Electrochem. redox behavior of the compds. shows that the ferrocene and porphyrin entities behave as independent units. Steady-state photolysis expts. reveal no internal electron-transfer, although the energies of the CT state of porphyrin-ferricenium ion indicate the feasibility of electron transfer in these systems.

Item Type: Journal Article
Additional Information: The copyright belongs to Taylor and Francis Ltd.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 18 Feb 2008
Last Modified: 27 Aug 2008 13:07
URI: http://eprints.iisc.ernet.in/id/eprint/12687

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