Research interests include:
Theory and computational chemistry
C-H Bond and small molecule activation
Noncovalent catalysis and organocatalysis
Asymmetric and stereoselective Reactions
Research supported by ACS PRF &
Member of The Center for Catalytic Hydrocarbon Functionalization
Selected Publication:
52. Cook, T. C.; Andrus, M. B.; Ess, D. H.*; “Quantum Mechanical Transition-State Analysis Reveals the Precise Origin of Stereoselectivity in Chiral Quaternary Cinchonidinium Phase-Transfer Catalyzed Enoalte Allylation” Org. Lett. 2012, 14, 5836-5839.
51. Zhu, C.; Li, G.; Ess, D. H.; Falck, J. R.; Kurti, L. “Elusive Metal-Free Primary Amination of Arylboronic Acids: Synthetic Studies and Mechanism by Density Functional Theory” J. Am. Chem. Soc. 2012, 134, 18253-18256. (Covered by Chemical & Engineering News: November 5, 2012 page 31; Science and Technology Concentrates)
50. Ghebreghiorgis, T.; Biannic, B.; Kirk, B.; Ess, D. H.*; Aponick, A. “The Importance of Hydrogen Bonding on Stereoselectivity and Catalyst Turnover in the Au-Catalyzed Cyclization of Monoallylic diols” J. Am. Chem. Soc. 2012, 134, 16307-16318.
49. Peng, D.; Hu, X.; Devarajan, D.; Ess, D. H.*; Johnson, E. R.; Yang, W. “Variational Fractional-Spin Density-Functional Theory for Diradicals” J. Chem. Phys. 2012, 137, 114112.
47. Petit, A.; Flygare, J.; Miller, A. T.; Winkel, G.; Ess, D. H.* “Transition-State Metal Aryl bond Stability Determines Regioselectivity in Palladium Acetate Mediated C-H Bond Activation of Heteroarenes” Org. Lett. 2012, 14, 3680-3683.
45. Devarajan, D.; Ess, D. H.* “Metal-Mediated Dihydrogen Activation. What Determines the Transition-State Geometry?” Inorg. Chem. 2012, 51, 6367-6375.
38. Stewart, P. S.; Chen, M.; Roush, W. R.; Ess, D. H.* “Thermodynamic Control of 1,3-Boratropic Shifts of a- and g-Stannyl-Substituted Allylboranes: Hyperconjugation Outweighs Steric Effects” Org. Lett. 2011, 13, 1478-1481.
35. Ess, D. H.*, Johnson, E. R.; Hu, X.; Yang, W. “Singlet-Triplet Energy Gaps for Diradicals from Fractional-Spin Density-Functional Theory (FS-DFT) J. Phys. Chem. A 2011, 115, 76-83.

