Porphyrin-diones and porphyrin-tetraones: Reversible redox units being localized within the porphyrin macrocycle and their effect on tautomerism

Authors :: Kadish, Karl M.
Prashar, Jognandan K.
Wenbo E.
Sintic, Paul J.
Riqiang Zhan
Kei Ohkubo
Khoury, Tony
Fukuzumi, Shunichi
Govenlock, Linda J.
Crossley, Maxwell J.
Source :: Journal of the American Chemical Society. May 23, 2007, Vol. 129 Issue 20, p6576, 13 p.
Publication Year :: 2007
Abstract: The porphyrin diones and tetraones can undergo electroreduction independently of the macrocycle as confirmed by the electrochemical and spectroelectrochemical data. This enhances the binding of metal ions to the dione units due to the tautomerization of Hydrogen ion.

Subjects :: Porphyrins -- Chemical properties
Tautomers -- Chemical properties
Electrochemical analysis
Chemistry

Tools