Machine learning of solvent effects on molecular spectra and reactions

M Gastegger, KT Schütt, KR Müller - Chemical science, 2021 - pubs.rsc.org
Fast and accurate simulation of complex chemical systems in environments such as
solutions is a long standing challenge in theoretical chemistry. In recent years, machine …

Quantum and molecular mechanical Monte Carlo techniques for modeling condensed‐phase reactions

O Acevedo, WL Jorgensen - Wiley Interdisciplinary Reviews …, 2014 - Wiley Online Library
A recent review (Acevedo O, Jorgensen WL. Advances in quantum and molecular
mechanical (QM/MM) simulations for organic and enzymatic reactions. Acc Chem Res 2010 …

Solvation free energies in subsystem density functional theory

M Bensberg, PL Türtscher, JP Unsleber… - Journal of Chemical …, 2022 - ACS Publications
For many chemical processes the accurate description of solvent effects are vitally important.
Here, we describe a hybrid ansatz for the explicit quantum mechanical description of solute …

Claisen rearrangements: Insight into solvent effects and “on water” reactivity from QM/MM simulations

O Acevedo, K Armacost - Journal of the American Chemical …, 2010 - ACS Publications
An “on water” environment, defined by the absence of water solubility of the reactants, has
been reported to provide increased rate accelerations, yields, and specificity for several …

Variational calculation of quantum mechanical/molecular mechanical free energy with electronic polarization of solvent

H Nakano, T Yamamoto - The Journal of Chemical Physics, 2012 - pubs.aip.org
Quantum mechanical/molecular mechanical (QM/MM) free energy calculation presents a
significant challenge due to an excessive number of QM calculations. A useful approach for …

Combination of near-infrared spectroscopy and a transient flow method for efficient kinetic analysis of the Claisen rearrangement

Y Takebayashi, K Sue, S Kataoka - Reaction Chemistry & Engineering, 2024 - pubs.rsc.org
Kinetic analysis of the Claisen rearrangement of allyl phenyl ether (APE) to 2-allylphenol
was conducted in pressurized N-methylpyrrolidone (NMP) at various temperatures from 240 …

Can a quantum mechanical cluster model explain the special stereospecificity of glyoxalase I?

S Parvaneh, H Parsa, M Irani - Computational and Theoretical Chemistry, 2020 - Elsevier
Quantum mechanical (QM) cluster approach is a useful and convenient tool to study
mechanisms of enzymatic reactions. Our investigation is to propose a proper QM-cluster that …

Theoretical study of protic solvents hydrogen bonding effect, on the reaction of cyclopentadiene and vinyl acetate; apart from the bulk properties

M Irani, M Haqgu, MR Gholami - Journal of Molecular Structure …, 2009 - Elsevier
Ab initio, DFT, Monte Carlo statistical mechanics and atom in molecule methods have been
applied to investigate the hydrogen bonding effect of protic solvents, apart from the bulk …

The Role of Water in the Catalyst‐Free Aldol Reaction of Water‐Insoluble N‐Methyl‐2,4‐thiazolidinedione with N‐Methylisatin from QM/MM Monte Carlo Simulations

J Zhao, F He, F Zhang, X Yang, Z Tian… - ChemPhysChem, 2017 - Wiley Online Library
The role of water in the uncatalyzed aldol reaction of N‐methyl‐2, 4‐thiazolidinedione with N‐
methylisatin is investigated through Monte Carlo statistical mechanics simulations that utilize …

The tautomerization and ring closure in the Claisen rearrangement: A DFT study

S Yamabe, S Yamazaki - International Journal of Quantum …, 2018 - Wiley Online Library
Elementary processes of the aromatic Claisen rearrangement were investigated by DFT
calculations. First, rearrangements of four substrates Ph—O—CH2—CH CH2 [A], Ph—O …