Theses and Dissertations

ORCID

https://orcid.org/0000-0002-5762-0644

Advisor

Creutz, Sidney E.

Committee Member

Cui, Xin

Committee Member

Hollis, Thedford K.

Committee Member

Webster, Charles E.

Committee Member

Emerson, Joseph P.

Date of Degree

8-13-2024

Original embargo terms

Visible MSU Only 1 year

Document Type

Dissertation - Campus Access Only

Major

Chemistry

Degree Name

Doctor of Philosophy (Ph.D.)

College

College of Arts and Sciences

Department

Department of Chemistry

Abstract

Chelation of first-row transition metals has many useful properties in the biomedical and industrial fields due to the stabilizing and/or property-altering effects that certain chelates can induce in these metals. One such useful design principle for these chelates is the addition of bulky steric groups which can have an added effect on these properties. Chapter I will explore the origins of these effects and show examples of how these effects are leveraged to produce useful complexes in a variety of applications. In Chapter II, we will discuss our choice of ligand design and the development of related synthetic procedures for all organic portions of the complexes. In Chapter III, we then study the effects of the series of bulky ligands with Mn2+ and Zn2+ on the formation of thermodynamically and kinetically inert complexes and investigate the subsequent effects on redox properties. Chapter IV furthers this investigation with Fe2+ and Co2+ using the bulkiest and least bulky versions of our ligand, where these metal complexes are investigated for the effects on redox properties and spin states. Lastly, a brief appendix details work performed on pyridine-imidazole systems bound to Mn2+ for their potential use in water oxidation catalysis.

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