研究领域
Inorganic
Reaction kinetics, Transition metal catalysis
The focus of our group is the study of kinetics. By learning about the kinetics of chemical processes, we can deduce a mechanistic scheme of how chemical transformations occur. Kinetics also allow for understanding the factors that influence the progression of reactions. This knowledge permits us to make changes in the reaction conditions and/or reagents to manipulate the reaction to suit our needs. A number of physical methods are used by our group to probe reaction kinetics including NMR and UV-Vis. From the data compiled, mathematical equations can be developed to describe the chemical process. Computer simulation may be necessary when reactions are too complex for simple mathematical modeling. Our current research interests fall into a couple of broad categories including chemical warfare agent decontamination and transition metal catalysis.
近期论文
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J. Leigh*, J. RagputN, and D. E. Richardson "Kinetics and Mechanism of Styrene Epoxidation by Chlorite: Role of Chlorine Dioxide," Inorg. Chem. 2014, 53 (13), 6715–6727
M. E. O’Reilly, T. J. Del Castillo, J. M. Falkowski, V. Ramachandran, M. Pati, M. C. Correia, K. A. Abboud, N. S. Dalal, D. E. Richardson, and A.S. Veige "Autocatalytic O2 Cleavage by an OCO3– Trianionic Pincer CrIII Complex: Isolation and Characterization of the Autocatalytic Intermediate [CrIV]2(μ-O) Dimer." J. Am. Chem. Soc., 2011, 133 (34), 13661–13673.
E. V. Bakhmutova-Albert, H.Yao, D. E. Denevan and D. E. Richardson." The Kinetics and Mechanism of Peroxymonocarbonate Formation." Inorg. Chem. 2010, 49 (24), 11287–11296.
A. Jangam and D. E. Richardson, "Epoxidation by sodium chlorite with aldehyde-promoted chlorine dioxide formation," Tetrahedron Letters 2010, 51, 6481-6484.
A. Ison, C. Xu, G. K. Weakley, and D. E. Richardson, "Catalytic Autoxidations using Tris-diimine Iron(II) Coordination Complexes," J. Molecular Catalysis A, 2008, 1-7. (Editors’ Choice Paper)
B. Balagam and D. E. Richardson, "The Mechanism of Carbon Dioxide Catalysis in the Hydrogen Peroxide N-Oxidation of Amines," Inorganic Chemistry 2008, 47,(3), 1173-1178.
B. Balagam, R. Mitra, and D. E. Richardson, "Osmium-Catalyzed Asymmetric Dihydroxylation by Carbon Dioxide-Activated Hydrogen Peroxide and N-Methylmorpholine," Tetrahedron Letters 2008, 49,(6), 1071-1075.
A. A. Aksenov, C. S. Contreras, D. E. Richardson, and J. R. Eyler, "Gas-phase reactions of bis(eta(5)-cyclopentadienyl)methylzirconium cations with ketones and aldehydes," Organometallics 2007, 26, (3), 478-488.
A. A. Aksenov, D. E. Richardson, and J. R. Eyler, "Gas-phase reactions of the bis(eta(5)-cyclopentadienyl)methylzirconium cation with imines," Journal of Organometallic Chemistry 2007, 692, (22), 4995-5000.
C. A. S. Regino and D. E. Richardson, "Bicarbonate-catalyzed hydrogen peroxide oxidation of cysteine and related thiols," Inorganica Chimica Acta 2007, 360, (14), 3971-3977.
S. M. Stevens, R. C. Dunbar, W. D. Price, M. Sena, C. H. Watson, L. S. Nichols, J. M. Riveros, D. E. Richardson, and J. R. Eyler, "Blackbody infrared radiative dissociation of partially solvated mixed ligand Ru(II) complex ions," Journal of Physical Chemistry A 2004, 108, (45), 9892-9900.
H. R. Yao and D. E. Richardson, "Bicarbonate surfoxidants: Micellar oxidations of aryl sulfides with bicarbonate-activated hydrogen peroxide," Journal of the American Chemical Society 2003, 125, (20), 6211-6221.
D. E. Richardson, C. A. S. Regino, H. R. Yao, and J. V. Johnson, "Methionine oxidation by peroxymonocarbonate, a reactive oxygen species formed from CO2/bicarbonate and hydrogen peroxide," Free Radical Biology And Medicine 2003, 35, (12), 1538-1550.
S. M. Stevens, R. C. Dunbar, W. D. Price, M. Sena, C. H. Watson, L. S. Nichols, J. M. Riveros, D. E. Richardson, and J. R. Eyler, "Blackbody infrared radiative dissociation of partially solvated tris(2(‘)2 ‘-bipyridine)ruthenium(II) complex ions," Journal of Physical Chemistry A 2002, 106, (42), 9686-9694.
D. E. Richardson, G. H. L. Lang, E. Crestoni, M. F. Ryan, and J. R. Eyler, "Intrinsic reactivity of metal-hydroxide complexes: O-H bond activation and adduct formation in gas-phase reactions of Cp2ZrOH+," International Journal of Mass Spectrometry 2001, 204, (1-3), 255-266.
S. P. Palii, D. E. Richardson, M. L. Hansen, B. B. Iversen, F. K. Larsen, L. Singerean, G. A. Timco, N. V. Gerbeleu, K. R. Jennings, and J. R. Eyler, "Mixed-terminal-ligand oxo-centered carboxylate-bridged trinuclear complexes: gas phase generation by means of electrospray ionization FT-ICR MS, condensed phase synthesis, and X-ray structure of K+[Cr3O(C6H5COO)(6)(F)(2)(H2O)](-)center dot 2(CH3)(2)CO," Inorganica Chimica Acta 2001, 319, (1-2), 23-42.
Deon A. Bennett, Huirong Yao, and David E. Richardson, "Mechanism of Sulfide Oxidations by Peroxymonocarbonate," Inorganic Chem. 2001, 40, 2996-3001
T. Joy Mendez, Jodie V. Johnson, and David E. Richardson, "Evaluation of Subtilisin Cleavage Specificity for RNase A Peptide Bonds by High-Performanance Liquid Chromatography and Mass Spectrometric Analysis," Analytical Biochem 2000, 279, 114-118.
T. Joy Mendez, Jodie V. Johnson, Linda S. Nichols, G. H. Lisa Lang, John R. Eyler, David H. Powell and David E. Richardson, "Bioconjugation of Ribonuclease A: A Detailed Chromatographic and Mass Spectrometric Analysis of Chemical Modification by a Cross-Linking Reagent," Bioconjugate Chem. 2000, 10, 182 -194.
David E. Richardson and Huirong Yao, "Epoxidation of Alkenes with Bicarbonate Activated Hydrogen Peroxide," J. Am. Chem. Soc. 2000, 122, 3220-3221.