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Fusion and planarization of a quinoidal porphyrin dimer
Iain M Blake1, Alexander Krivokapic, Martin Katterle
1Department of Chemistry, University of Oxford, Dyson Perrins Laboratory, South Parks Road, Oxford, UK OX1 3QY.
Chemical Communications (Cambridge, England)
|August 29, 2002
Abstract:
The crystal structure, near-infrared spectrum and electrochemistry of a quinoidal triply-linked porphyrin dimer are compared with those of its singly-linked precursor; fusing the two porphyrins planarizes the pi-system and reduces the optical HOMO-LUMO gap while increasing the gap between the first oxidation and reduction potentials.