The re-emergence of natural products for drug discovery in the genomics era

AL Harvey, RA Edrada-Ebel, RJ Quinn - Nature reviews drug discovery, 2015 - nature.com
Natural products have been a rich source of compounds for drug discovery. However, their
use has diminished in the past two decades, in part because of technical barriers to …

Computational Prediction of 1H and 13C Chemical Shifts: A Useful Tool for Natural Product, Mechanistic, and Synthetic Organic Chemistry

MW Lodewyk, MR Siebert, DJ Tantillo - Chemical Reviews, 2012 - ACS Publications
Quantum mechanical calculations of magnetic behavior in molecules are present in the
literature dating at least as far back as London's treatment of diamagnetic anisotropy in …

Beyond DP4: An improved probability for the stereochemical assignment of isomeric compounds using quantum chemical calculations of NMR shifts

N Grimblat, MM Zanardi, AM Sarotti - The Journal of organic …, 2015 - ACS Publications
The DP4 probability is one of the most sophisticated and popular approaches for the
stereochemical assignment of organic molecules using GIAO NMR chemical shift …

Assigning stereochemistry to single diastereoisomers by GIAO NMR calculation: The DP4 probability

SG Smith, JM Goodman - Journal of the American Chemical …, 2010 - ACS Publications
GIAO NMR shift calculation has been applied to the challenging task of reliably assigning
stereochemistry with quantifiable confidence when only one set of experimental data are …

NMR calculations with quantum methods: development of new tools for structural elucidation and beyond

MO Marcarino, MM Zanardi, S Cicetti… - Accounts of Chemical …, 2020 - ACS Publications
Conspectus Structural elucidation is an important and challenging stage in the discovery of
new organic molecules. Single-crystal X-ray analysis provides the most unquestionable …

Sensitivity analysis of DP4+ with the probability distribution terms: Development of a universal and customizable method

MM Zanardi, AM Sarotti - The Journal of Organic Chemistry, 2021 - ACS Publications
DP4+ is a popular tool for structural elucidation using GIAO NMR calculations. The method
was built with 16 statistical parameters [μ, σ, ν], which depend on the level of theory. Herein …

Determination of relative configuration in organic compounds by NMR spectroscopy and computational methods

G Bifulco, P Dambruoso, L Gomez-Paloma… - Chemical …, 2007 - ACS Publications
Stereochemical features have a profound impact on a variety of molecular properties, such
as chemical reactivity and catalytic, biological, and pharmacological activities. In light of the …

Computational chemistry to the rescue: Modern toolboxes for the assignment of complex molecules by GIAO NMR calculations

N Grimblat, AM Sarotti - Chemistry–A European Journal, 2016 - Wiley Online Library
The calculations of NMR properties of molecules using quantum chemical methods have
deeply impacted several branches of organic chemistry. They are particularly important in …

DP4-AI automated NMR data analysis: straight from spectrometer to structure

A Howarth, K Ermanis, JM Goodman - Chemical science, 2020 - pubs.rsc.org
A robust system for automatic processing and assignment of raw 13C and 1H NMR data
DP4-AI has been developed and integrated into our computational organic molecule …

Do double-hybrid exchange–correlation functionals provide accurate chemical shifts? A benchmark assessment for proton NMR

MT de Oliveira, JMA Alves, AAC Braga… - Journal of Chemical …, 2021 - ACS Publications
A benchmark density functional theory (DFT) study of 1H NMR chemical shifts for data sets
comprising 200 chemical shifts, including complex natural products, has been carried out to …