A Porphyrin bearing Tetrahydrothiophene Pickets; Co-ordination Behaviour and Electron Transfer

DOI: 10.1039/DT9920002873

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2873 - 2876 (1992)

Update date:2022-07-31

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Authors:

D'Souza, Francis

Krishnan, Varadachari

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Article abstract of DOI:10.1039/DT9920002873

A novel 'picket-fence' porphyrin, 5,10,15,20-tetrakisporphyrin (H2L) with ligating tetrahydrothiophene rings disposed perpendicular to the porphyrin plane has been synthesised.Its zinc(II) derivative, , binds two silver(I) ions co-operatively with a dissociation constant of 4.8 x 10^-8 dm³ mol^-1.Time-resolved fluorescence lifetime measurements reveal the presence of intramolecular photoexcited electron transfer in this donor-acceptor system.

Full text of DOI:10.1039/DT9920002873

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