Degradation behavior of donor‐acceptor cyanoarenes‐based organic photocatalysts

HM Ko, CW Lee, MS Kwon - ChemCatChem, 2023 - Wiley Online Library
Visible‐light photocatalysis has emerged as a powerful tool for organic transformations in
recent years. The traditional reliance on transition metal‐based complexes as photocatalysts …

Overcoming photochemical limitations in metallaphotoredox catalysis: red-light-driven C–N cross-coupling

SL Goldschmid, NE Soon Tay, CL Joe… - Journal of the …, 2022 - ACS Publications
Aryl amination is an essential transformation for medicinal, process, and materials chemistry.
In addition to classic Buchwald–Hartwig amination conditions, blue-light-driven …

Electron‐Poor Acridones and Acridiniums as Super Photooxidants in Molecular Photoelectrochemistry by Unusual Mechanisms

J Žurauskas, S Boháčová, S Wu, V Butera… - Angewandte …, 2023 - Wiley Online Library
Electron‐deficient acridones and in situ generated acridinium salts are reported as potent,
closed‐shell photooxidants that undergo surprising mechanisms. When bridging acyclic …

Heterogeneous Photocatalysts for Light‐Mediated Reversible Deactivation Radical Polymerization

S Freeburne, B Hunter, K Bell, CW Pester - ChemPhotoChem, 2023 - Wiley Online Library
Heterogeneous photocatalysis combines the benefits of light‐mediated chemistry with that of
a catalytic platform that facilitates re‐use of (often expensive) photocatalysts. This provides …

Lessons learnt in photocatalysis–the influence of solvent polarity and the photostability of the photocatalyst

MA Bryden, F Millward, OS Lee, L Cork, MC Gather… - Chemical …, 2024 - pubs.rsc.org
Herein, we show that there is significant variation in both the triplet energies and redox
properties of photocatalysts as a function of solvent based on a study of eight PCs in four …

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 …

Photocatalytic synthesis of 2, 3-diamines from anilines and DIPEA via C–N bond cleavage and C–C bond formation

Y Meng, C Pan, N Liu, H Li, Z Liu, Y Deng, Z Wei… - Green …, 2024 - pubs.rsc.org
2, 3-Diamines are skeleton structures widely found in natural products and drug molecules
and can also be used as ligands in transition metal catalysis. A novel visible light-driven …

Carbonylative Hydroacylation of Styrenes with Alkyl Halides by Multiphoton Tandem Photoredox Catalysis in Flow

JA Forni, VH Gandhi, A Polyzos - ACS Catalysis, 2022 - ACS Publications
The abundance, structural diversity, and versatility of ketones give prominence to this
carbonyl functional group in synthetic chemistry. The assembly of ketones via the …

Extending photocatalyst activity through choice of electron donor

F Draper, EH Doeven, JL Adcock… - The Journal of …, 2023 - ACS Publications
Sacrificial additives are commonly employed in photoredox catalysis as a convenient source
of electrons, but what occurs after electron transfer is often overlooked. Tertiary alkylamines …

Visible-Light Photocatalysis Academic–Industrial Collaboration Retrospective: Shared Learning and Impact Analysis

KP Cole, JJ Douglas, T Hammerstad… - … Process Research & …, 2023 - ACS Publications
The 4.5 year academic–industrial collaboration between the process chemistry group at Lilly
and the Stephenson group (Boston University and University of Michigan) is summarized …