Structure and reactions of cobalt corroles

Michael Conlon, Alan W. Johnson, William R. Overend, Dayananda Rajapaksa, Clive M. Elson

Research output: Contribution to journalArticlepeer-review

57 Citations (Scopus)


Electrochemical studies on the cobalt corroies indicate that they are complexes of cobalt(III); these can exist as square planar, pyramidal, or octahedral complexes. Reaction of cobalt corrole with phenyl-lithium gives a phenyl derivative of cobalt(II) corrole where the additional phenyl group is probably attached to a nitrogen atom. Oxidation of triphenylphosphinecobalt(III) corroles with a high potential quinone causes conversion of the methyl groups at C-3 and C-17 into formyl substituents. Cobalt corroles may be obtained by a direct 2 + 2-type synthesis, and a related method has been used for the preparation of cobalt complexes of corrole itself.

Original languageEnglish
Pages (from-to)2281-2288
Number of pages8
JournalJournal of the Chemical Society, Perkin Transactions 1
Publication statusPublished (in print/issue) - 1973


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