Title

Formation Of Supramolecules In Solution. Interaction Between Transition-Metal Complexes And Water-Soluble Porphyrins

Document Type

Article

Publication Date

7-1-1991

Published In

Journal Of The Chemical Society: Dalton Transactions

Abstract

The rates of copper(II) insertion into water-soluble porphyrins in the presence of ethylenediamine have been studied near pH 7. Unusual kinetic profiles result which are interpreted as arising from the formation of supramolecular assemblies in solution. Confirmatory evidence for this model is provided by light scattering, conductance and temperature-variation experiments. The influences on assembly formation of reactant concentration, porphyrin charge and basicity, ionic strength, as well as buffer and electrolyte identity are reported.

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