Catalytic strategies and mechanism analysis orbiting the center of critical intermediates in lignin depolymerization

C Zhang, X Shen, Y Jin, J Cheng, C Cai… - Chemical …, 2023 - ACS Publications
Lignin, as a precious resource given to mankind by nature with abundant functional aromatic
structures, has drawn much attention in the recent decade from academia to industry …

Multi‐photon excitation in photoredox catalysis: concepts, applications, methods

F Glaser, C Kerzig, OS Wenger - … Chemie International Edition, 2020 - Wiley Online Library
The energy of visible photons and the accessible redox potentials of common photocatalysts
set thermodynamic limits to photochemical reactions that can be driven by traditional visible …

Formation and degradation of strongly reducing cyanoarene-based radical anions towards efficient radical anion-mediated photoredox catalysis

Y Kwon, J Lee, Y Noh, D Kim, Y Lee, C Yu… - Nature …, 2023 - nature.com
Cyanoarene-based photocatalysts (PCs) have attracted significant interest owing to their
superior catalytic performance for radical anion mediated photoredox catalysis. However …

Synthetic photoelectrochemistry

JP Barham, B König - Angewandte Chemie International …, 2020 - Wiley Online Library
Photoredox catalysis (PRC) and synthetic organic electrochemistry (SOE) are often
considered competing technologies in organic synthesis. Their fusion has been largely …

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 …

Red light-based dual photoredox strategy resembling the Z-scheme of natural photosynthesis

F Glaser, OS Wenger - JACS Au, 2022 - ACS Publications
Photoredox catalysis typically relies on the use of single chromophores, whereas strategies,
in which two different light absorbers are combined, are rare. In photosystems I and II of …

Direct Observation of Triplet States in the Isomerization of Alkenylboronates by Energy Transfer Catalysis

TJB Zähringer, M Wienhold, R Gilmour… - Journal of the …, 2023 - ACS Publications
Alkenylboronates are versatile building blocks for stereocontrolled synthesis owing to the
traceless nature of the boron group that can be leveraged to achieve highly selective …

CdS quantum dots as potent photoreductants for organic chemistry enabled by auger processes

JK Widness, DG Enny… - Journal of the …, 2022 - ACS Publications
Strong reducing agents (<− 2.0 V vs saturated calomel electrode (SCE)) enable a wide array
of useful organic chemistry, but suffer from a variety of limitations. Stoichiometric metallic …

Transition-metal-free, site-selective C–F arylation of polyfluoroarenes via electrophotocatalysis

YJ Chen, WH Deng, JD Guo, RN Ci… - Journal of the …, 2022 - ACS Publications
Direct CAr–F arylation is effective and sustainable for synthesis of polyfluorobiaryls with
different degrees of fluorination, which are important motifs in medical and material …