Date of Award

Spring 1992

Degree Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Chemistry

First Advisor

Ryan, Michael D.

Second Advisor

Haworth, Daniel T.

Third Advisor

Kincaid, James R.

Abstract

In order to model nitrite enzymatic reduction mechanism, during which the iron remains six-coordinate, and to maintain the six-coordination geometry, "tail-base" iron porphyrin has been synthezed and studied by cyclic voltammetry, spectroelectrochemistry, UV/Visible, and resonance Raman spectroscopies. The work has been emphasized on the elucidation of the effects of axial imidazole ligand; examination of the bonding stability of "tailbase" imidazole; investigation of the reactions of nitrite with iron(111) and iron(11) porphyrin; and determination of kinetic parameters. It is found that nitrite reacts with "tail-base" iron(lll) porphyrin easily to form a new complex and the "tailbase" imidazole may be substituted by strong ligands.

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