Stereodynamic strategies to induce and enrich chirality of atropisomers at a late stage

CB Roos, CH Chiang, LAM Murray, D Yang… - Chemical …, 2023 - ACS Publications
Enantiomers, where chirality arises from restricted rotation around a single bond, are
atropisomers. Due to the unique nature of the origins of their chirality, synthetic strategies to …

Demystifying racemic natural products in the homochiral world

GTM Bitchagno, VA Nchiozem-Ngnitedem… - Nature Reviews …, 2022 - nature.com
Natural products possess structural complexity, diversity and chirality with attractive
functions and biological activities that have significantly impacted drug discovery initiatives …

Multifaceted view on the mechanism of a photochemical deracemization reaction

RJ Kutta, J Großkopf, N van Staalduinen… - Journal of the …, 2023 - ACS Publications
Upon irradiation in the presence of a chiral benzophenone catalyst (5 mol%), a racemic
mixture of a given chiral imidazolidine-2, 4-dione (hydantoin) can be converted almost …

Photoinduced dynamic radical processes for isomerizations, deracemizations, and dynamic kinetic resolutions

JS DeHovitz, TK Hyster - ACS Catalysis, 2022 - ACS Publications
Isomerizations are chemical processes where a compound is transformed into another
structure while retaining the same chemical formula. When dynamic, these reactions are …

Exploration of structural, electrostatic and photophysical behaviour of novel Ni (II), Cu (II) and Zn (II) complexes and their utility as potent antimicrobial agents

I Bala, K Singh, R Kataria… - Applied Organometallic …, 2022 - Wiley Online Library
In the present manuscript, a series of Ni (II), Cu (II) and Zn (II) based metal complexes were
synthesized, and their molecular geometry was established using single‐crystal X‐ray …

Functional biosynthetic stereodivergence in a gene cluster via a dihydrosydnone N-oxide

J Ren, A Mathew, M Rodríguez-García… - Communications …, 2024 - nature.com
Chirality plays a critical role in the biochemistry of life and often only one enantiomeric series
is observed (homochirality). Only a few natural products have been obtained as racemates …

Regio-, diastereo-and enantioselectivity in the photocatalytic generation of carbanions via hydrogen atom transfer and reductive radical-polar crossover

S Grotjahn, L Müller, A Pattanaik, A Falk… - Organic Chemistry …, 2024 - pubs.rsc.org
A sequence involving photocatalytic hydrogen atom transfer (HAT), reductive radical-polar
crossover (RRPCO), and protonation/deuteration for stereochemical editing at benzylic …

Neuroanatomical correlates of polygenic risk for Parkinson's Disease

N Abbasi, C Tremblay, R Rajimehr, E Yu, RD Markello… - medRxiv, 2022 - medrxiv.org
Parkinson's Disease (PD) is a progressive neurodegenerative disorder with a long
prodromal course. Most cases are sporadic but a polygenic risk score (PRS) recently …

Racemases and epimerases operating through a 1, 1-proton transfer mechanism: reactivity, mechanism and inhibition

MD Lloyd, M Yevglevskis, A Nathubhai… - Chemical Society …, 2021 - pubs.rsc.org
Racemases and epimerases catalyse changes in the stereochemical configurations of chiral
centres and are of interest as model enzymes and as biotechnological tools. They also …

Thermodynamics determine the diastereochemical outcome of catalytic reactions

SR Marsden, L Mestrom, HJ Wijma… - …, 2021 - Wiley Online Library
Diastereomers are characterised by an intrinsic energy difference, and thermodynamics
dictate their distribution within a dynamic equilibrium. The characteristic mechanistic …