Ketyl radical coupling enabled by polycyclic aromatic hydrocarbon electrophotocatalysts

JM Edgecomb, SN Alektiar, NGW Cowper… - Journal of the …, 2023 - ACS Publications
Herein, we report a new class of electrophotocatalysts, polycyclic aromatic hydrocarbons,
that promote the reduction of unactivated carbonyl compounds to generate versatile ketyl …

Shining fresh light on complex photoredox mechanisms through isolation of intermediate radical anions

SJ Horsewill, G Hierlmeier, Z Farasat, JP Barham… - ACS …, 2023 - ACS Publications
Photoredox catalysis (PRC) has gained enormous and wide-ranging interest in recent years
but has also been subject to significant mechanistic uncertainty, even controversy. To …

[HTML][HTML] Harnessing high-energy MLCT excited states for artificial photosynthesis

A Cotic, I Ramírez-Wierzbicki, A Cadranel - Coordination Chemistry …, 2024 - Elsevier
Important fractions of the energy absorbed in natural and artificial photosynthetic schemes
are dissipated via fast internal conversion processes. In contrast, chromophores that …

Generation of Thioxanthone Hydrogen Anion by Double Photoreduction and Uses for Catalytic Photoreductions

WJ Kang, B Li, Z Zhao, S Sun, C Feng, K Hu… - ACS …, 2023 - ACS Publications
Anions are the reduced form of precatalysts that are a special type of photoredox catalyst,
unlike traditional iridium or ruthenium complexes. Among them, radical anions often have …

A molecular perspective on quantum information

GD Scholes - Proceedings of the Royal Society A, 2023 - royalsocietypublishing.org
Some of the fundamentals of quantum information science are described, including the
concepts of quantum resources, quantum states and mixedness of states. The explanations …

Radical metallacyclopropene: synthesis, structure and aromaticity

W Bai, L Li, Y Fu, J Tang, Y Zhao, Y Wang, Y Li - Dalton Transactions, 2023 - pubs.rsc.org
Metallaaromatics are an important class of aromatic compounds, showing diverse and
interesting aromatic properties. Radical rhenabenzofurans 1–3 with a fused …

Solvated Electrons: Dynamic Reductant in Visible Light Photoredox Catalysis

P Singh, N Lal, AC Shaikh - Advanced Synthesis & Catalysis, 2024 - Wiley Online Library
Open shell species are alluring significant attention owing to their unique physiochemical
properties in redox chemistry for activating remarkably stable bonds. Solvated electrons are …

Isolation of the elusive [Ru (bipy) 3]+: a key intermediate in photoredox catalysis

SJ Horsewill, C Cao, N Dabney, ES Yang… - Chemical …, 2023 - pubs.rsc.org
Photoredox catalysis has flourished in recent years, but due to its widespread utility
applications have grown faster than mechanistic understanding. In this report we help to …

Maximizing Photon-to-Electron Conversion for Atom Efficient Photoredox Catalysis

F Draper, S DiLuzio, HJ Sayre, LN Pham… - Journal of the …, 2024 - ACS Publications
Photoredox catalysis is a powerful tool to access challenging and diverse syntheses.
Absorption of visible light forms the excited state catalyst (* PC) but photons may be wasted …

Solvent Dependency of Catalyst‐Substrate Aggregation Through ππ Stacking in Photoredox Catalysis

L Wylie, JP Barham, B Kirchner - ChemPhysChem, 2023 - Wiley Online Library
Assemblies of photoredox catalysts and their target substrates prior to photoexcitation is a
phenomenon naïvely overlooked by the majority of synthetic chemists, but can have …