[HTML][HTML] Recent advances in visible light-activated radical coupling reactions triggered by (i) ruthenium,(ii) iridium and (iii) organic photoredox agents

JD Bell, JA Murphy - Chemical Society Reviews, 2021 - pubs.rsc.org
Photoredox chemistry with organic or transition metal agents has been reviewed in earlier
years, but such is the pace of progress that we will overlap very little with earlier …

Recent advances in low-power-threshold nonlinear photochromic materials

Y Kobayashi, J Abe - Chemical Society Reviews, 2022 - pubs.rsc.org
Incoherent nonlinear photophysical and photochemical processes based on stepwise two-
photon absorption (2PA) processes have been recently used in materials science owing to …

Photocatalytic defluoroalkylation and hydrodefluorination of trifluoromethyls using o-phosphinophenolate

C Liu, N Shen, R Shang - Nature Communications, 2022 - nature.com
Under visible light irradiation, o-phosphinophenolate functions as an easily accessible
photoredox catalyst to activate trifluoromethyl groups in trifluoroacetamides …

Emerging concepts in photocatalytic organic synthesis

S Reischauer, B Pieber - Iscience, 2021 - cell.com
Visible light photocatalysis has become a powerful tool in organic synthesis that uses
photons as traceless, sustainable reagents. Most of the activities in the field focus on the …

Electro‐mediated PhotoRedox Catalysis for Selective C(sp3)–O Cleavages of Phosphinated Alcohols to Carbanions

X Tian, TA Karl, S Reiter, S Yakubov… - Angewandte Chemie …, 2021 - Wiley Online Library
We report a novel example of electro‐mediated photoredox catalysis (e‐PRC) in the
reductive cleavage of C (sp3)− O bonds of phosphinated alcohols to alkyl carbanions. As …

How radical are “radical” photocatalysts? A closed-shell Meisenheimer complex is identified as a super-reducing photoreagent

AJ Rieth, MI Gonzalez, B Kudisch, M Nava… - Journal of the …, 2021 - ACS Publications
Super-reducing excited states have the potential to activate strong bonds, leading to
unprecedented photoreactivity. Excited states of radical anions, accessed via reduction of a …

A General Light‐Driven Organocatalytic Platform for the Activation of Inert Substrates

S Wu, F Schiel, P Melchiorre - Angewandte Chemie, 2023 - Wiley Online Library
Due to their strong covalent bonds and low reduction potentials, activating inert substrates is
challenging. Recent advances in photoredox catalysis offered a number of solutions, each of …

Photo-and electro-chemical strategies for the activations of strong chemical bonds

X Tian, Y Liu, S Yakubov, J Schütte, S Chiba… - Chemical Society …, 2024 - pubs.rsc.org
The employment of light and/or electricity–alternatively to conventional thermal energy–
unlocks new reactivity paradigms as tools for chemical substrate activations. This leads to …

A photoexcited halogen-bonded EDA complex of the thiophenolate anion with iodobenzene for C (sp 3)–H activation and thiolation

T Li, K Liang, J Tang, Y Ding, X Tong, C Xia - Chemical Science, 2021 - pubs.rsc.org
Thiophenol was discovered to form an EDA complex with iodobenzene through halogen
bonding interactions upon treatment with KOH. A direct photochemical thiolation of C (sp3) …

Sensitization-initiated electron transfer via upconversion: mechanism and photocatalytic applications

F Glaser, C Kerzig, OS Wenger - Chemical Science, 2021 - pubs.rsc.org
Sensitization-initiated electron transfer (SenI-ET) describes a recently discovered
photoredox strategy that relies on two consecutive light absorption events, triggering a …