Quantum mechanical investigations of organocatalysis: mechanisms, reactivities, and selectivities

PHY Cheong, CY Legault, JM Um… - Chemical …, 2011 - ACS Publications
Organocatalysis has captured the imagination of a significant group of synthetic chemists.
Much of the mechanistic understanding of these reactions has come from computational …

Mechanistic aspects of thiol additions to Michael acceptors: Insights from computations

RB Roseli, AB Keto, EH Krenske - Wiley Interdisciplinary …, 2023 - Wiley Online Library
Computational studies have delivered valuable mechanistic insights into thiol Michael
additions, which are important C S bond‐forming reactions used in biological and …

Applications and validations of the Minnesota density functionals

Y Zhao, DG Truhlar - Chemical Physics Letters, 2011 - Elsevier
We discuss and review selected recent applications and validations of the Minnesota
density functionals, especially the M06 family, emphasizing nanochemistry, organic …

Exploring the limit of accuracy of the global hybrid meta density functional for main-group thermochemistry, kinetics, and noncovalent interactions

Y Zhao, DG Truhlar - Journal of Chemical Theory and …, 2008 - ACS Publications
The hybrid meta density functionals M05-2X and M06-2X have been shown to provide broad
accuracy for main group chemistry. In the present article we make the functional form more …

DSD-BLYP: A general purpose double hybrid density functional including spin component scaling and dispersion correction

S Kozuch, D Gruzman, JML Martin - The Journal of Physical …, 2010 - ACS Publications
We present a general purpose double-hybrid DFT parametrization based on the BLYP
functional, spin-component scaled (SCS) MP2-like correlation and a dispersion correction …

How well can new-generation density functionals describe the energetics of bond-dissociation reactions producing radicals?

Y Zhao, DG Truhlar - The Journal of Physical Chemistry A, 2008 - ACS Publications
The performance of various density functionals has been tested for three sets of reaction
energies involving radicals. It is shown that two recently designed functionals, M05-2X and …

How reliable are DFT transition structures? Comparison of GGA, hybrid-meta-GGA and meta-GGA functionals

L Simón, JM Goodman - Organic & biomolecular chemistry, 2011 - pubs.rsc.org
There have been many comparisons of computational methods applied to ground states, but
studies of organic reactions usually require calculations on transition states, and these …

Insights into the dual activation mechanism involving bifunctional cinchona alkaloid thiourea organocatalysts: An NMR and DFT study

JL Zhu, Y Zhang, C Liu, AM Zheng… - The Journal of Organic …, 2012 - ACS Publications
In-depth understanding of the activation mechanism in asymmetric organocatalysis is of
great importance for rational development of highly efficient catalytic systems. In this Article …

Cooperative catalysis by tertiary amino-thioureas: Mechanism and basis for enantioselectivity of ketone cyanosilylation

SJ Zuend, EN Jacobsen - Journal of the American Chemical …, 2007 - ACS Publications
The mechanism of the enantioselective cyanosilylation of ketones catalyzed by tertiary
amino-thiourea derivatives was investigated using a combination of experimental and …

On the mechanism of bifunctional squaramide‐catalyzed organocatalytic Michael addition: a protonated catalyst as an oxyanion hole

B Kótai, G Kardos, A Hamza, V Farkas… - … A European Journal, 2014 - Wiley Online Library
A joint experimental–theoretical study of a bifunctional squaramide‐amine‐catalyzed
Michael addition reaction between 1, 3‐dioxo nucleophiles and nitrostyrene has been …