A remarkably stable hydrogen-bonded porphyrin.iron(terpyridine) ion pair.
Even in highly competitive solvents such as DMSO, strong bimolecular association and subsequent fluorescence quenching result from the combination of hydrogen bonding and ion pairing between a porphyrinic bis(carboxylate) dianion and an iron(terpyridine) bis(urea).
Norsten
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TB
Department of Chemistry, University of Alberta, Edmonton, AB, Canada T6G 2G2.
Chichak
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K
Branda
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