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Selected Publications

Dedushko, M. A.; Greiner, M. B.; Downing, A. N.; Coggins, M. K.; *Kovacs, J. A. “Electronic Structure and Reactivity of Dioxygen-Derived Aliphatic Thiolate-Ligated Fe-Peroxo and Fe(IV) Oxo Compounds.” J. Am. Chem. Soc. 2022, 144, 8515-8528

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Poon, P. C. Y.; Dedushko, M. A.; Sun, X.; Yang, G.; Toledo, S.; Hayes, E. C.; Johansen, A. L.; Piquette, M. C.; Rees, J. A.; Stoll, S.; *Rybak-Akimova, E.; *Kovacs, J. A. “How Metal Ion Lewis Acidity and Steric Properties Influence the Barrier to Dioxygen Binding, Peroxo O-O Bond Cleavage, and Reactivity.” J. Am. Chem. Soc. 2019,141,15046-15057

Downing, A. N.; Poon, P. C. Y.; Coggins, M. K.; *Kovacs, J. A. “Influence of Thiolate versus Alkoxide Ligands on the Stability of Crystallographically Characterized Mn(III)-Alkylperoxo Complexes.” J. Am. Chem. Soc. 2021, 143, 6104-6113

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Dedushko, M.; Pikul, J.; *Kovacs, J. A. “Superoxide Oxidation by a Thiolate-Ligated Iron Complex and Anion Inhibition” Inorg. Chem. 2021, 60, 7250-7261.

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Toledo, S.; Poon, P. C. Y.; Gleaves, M.; Rees, J. A.; Kaminsky, W.; *Kovacs, J. A. “Increasing Reactivity by Incorporating 𝞹-Acceptor Ligands into Coordinatively Unsaturated Thiolate-Ligated Iron(II) Complexes” Inorg. Chim. Acta. 2021, 524, 120422

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Poon, P. C. Y.; Dedushko, M. A.; Sun, X.; Yang, G.; Toledo, S.; Hayes, E. C.; Johansen, A. L.; Piquette, M. C.; Rees, J. A.; Stoll, S.; *Rybak-Akimova, E.; *Kovacs, J. A. “How Metal Ion Lewis Acidity and Steric Properties Influence the Barrier to Dioxygen Binding, Peroxo O-O Bond Cleavage, and Reactivity.” J. Am. Chem. Soc. 2019, 141, 15046-15057

Dedushko, M.; Schweitzer, D.; Blakely, M. N.; Swartz, R. D.; Kaminsky, W.; *Kovacs, J. A. “Geometric and Electronic Structure of a Crystallographically Characterized Thiolate-Ligated Binuclear Peroxo-Bridged Cobalt(III) Complex” J. Biol. Inorg. Chem. 2019, 24, 919-926.

Blakely, M. N.; Dedushko, M.; Poon, P. C. Y.; Villar-Acevedo, G.; *Kovacs, J. A. “Formation of a Reactive, Alkyl Thiolate-Ligated FeIII-Superoxo Intermediate Derived from Dioxygen.” J. Am. Chem. Soc. 2019, 141, 1867-1870.

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Leipzig, B. K.; Rees, J.; Kawalska, J. K.; Theisen, R. M.; Kavcic, Matjaz; Chaau Yan Poon, P.; Kaminsky, W.; DeBeer, S.; Bill, E.; *Kovacs, J. A. “How Do Ring Size and π-Donating Thiolate Ligands Affect Redox-Active, α-Imino-N-heterocycle Ligand Activation?” Inorg. Chem. 201857, 1935-1949.

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Acevedo-Villar, G.; Lugo-Mas, P.; Blakely, M. N.; Rees, J. A.; Ganas, A. S.; Hanada, E. M.; Kaminsky, W.; *Kovacs, J. A. “Metal-Assisted Oxygen Atom Addition to an Fe(III)-Thiolate” J. Am. Chem. Soc. 2017, 139, 119-129.

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Rees, J. A.; Bjornsson, R.; Kawalska, J. K.; Lima, F. A.; Schlesier, J.; Sippel, D.; Weyhermuller, T.; *Einsle, O.; *Kovacs, J. A.; *DeBeer, S. “Comparative Electronic Structures of Nitrogenase FeMoco and FeVco” Dalton. Trans. 2017, 46, 2445-2455.

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Kowalska, J. K.; Nayyar, B.; Rees, J. A.; Schiewer, C. E.; Lee, S. C.; Kovacs, J. A.; Meyer, F.; Weyermuller, T.; Otero, E.; DeBeer, S. “Iron L-edge X-ray Absorption and Magnetic Circular Dichroism Studies of Molecular Iron Complexes with Relevance to the FeMoco and FeVco Active Sites of Nitrogenase” Inorg. Chem. 2017, 56, 8147-8158.  
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Brines, L. M.; Coggins, M. K.; Poon, P. C. Y.; Toledo, S.; Kaminsky, W.; Kirk, M. L.; *Kovacs, J. A. “A Water-Soluble Fe(II)-H2O Complex with a Weak O–H Bond Transfers a Hydrogen Atom via an Observable Monomeric Fe(III)-OH.” J. Am. Chem. Soc. 2015, 137, 2253-2264. 
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*Kovacs, J. A. “Tuning the Relative Stability and Reactivity of Manganese Dioxygen and Peroxo Intermediates via Systematic Ligand Modification” Acc. Chem. Res. 2015, 48, 2744-2753.
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Rees, J. A.; Martin-Diaconescu, V.; *Kovacs, J. A.; *DeBeer, S. “X-ray Absorption and Emission Study of Dioxygen Activation by a Small-Molecule Manganese Complex” Inorg. Chem. 2015, 54, 6410-6422.
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Coggins, M. K.; Brines, L. M.; *Kovacs, J. A. “Synthesis and Structural Characterization of a Series of Mn(III)-OR Complexes, Including a Water-Soluble Mn(III)-OH that Promotes Aerobic Hydrogen Atom Transfer.” Inorg. Chem. 2013, 52, 12383-12393.
Coggins, M. K.; Toledo, S.; *Kovacs, J. A. “Isolation and Characterization of an Unsupported, Hydroxo-Bridged Iron(III,III)(μ-OH)2 Diamond Core Derived from Dioxygen,” Inorg. Chem. 2013 , 52, 13325-13331
Coggins, M. K.; Sun, X.; Kwak, Y.; *Solomon, E. I.; *Rybak-Akimova, E.; *Kovacs, J. A. “Characterization of Metastable Intermediates Formed in the Reaction Between a Mn(II) Complex and Dioxygen,  Including a Crystallographic Structure of a Binuclear Mn(III)-Peroxo Species,” J. Am. Chem. Soc. 2013 135, 5631-5640.
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