Photoredox catalysis harvesting multiple photon or electrochemical energies
Photoredox catalysis (PRC) is a cutting-edge frontier for single electron-transfer (SET)
reactions, enabling the generation of reactive intermediates for both oxidative and reductive …
reactions, enabling the generation of reactive intermediates for both oxidative and reductive …
Alkyl radicals from diacyl peroxides: metal-/base-/additive-free photocatalytic alkylation of N-heteroaromatics
F Cheng, L Fan, Q Lv, X Chen, B Yu - Green Chemistry, 2023 - pubs.rsc.org
Alkyl diacyl peroxides were demonstrated to be efficient alkylating reagents for the visible-
light-induced 4CzIPN-catalyzed direct C–H alkylation of N-heteroaromatics. With this metal …
light-induced 4CzIPN-catalyzed direct C–H alkylation of N-heteroaromatics. With this metal …
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 …
but has also been subject to significant mechanistic uncertainty, even controversy. To …
A General Photocatalytic Strategy for Nucleophilic Amination of Primary and Secondary Benzylic C–H Bonds
We report a visible-light photoredox-catalyzed method that enables nucleophilic amination
of primary and secondary benzylic C (sp3)–H bonds. A novel amidyl radical precursor and …
of primary and secondary benzylic C (sp3)–H bonds. A novel amidyl radical precursor and …
Sensitizer-controlled photochemical reactivity via upconversion of red light
By combining the energy input from two red photons, chemical reactions that would normally
require blue or ultraviolet irradiation become accessible. Key advantages of this biphotonic …
require blue or ultraviolet irradiation become accessible. Key advantages of this biphotonic …
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 …
closed‐shell photooxidants that undergo surprising mechanisms. When bridging acyclic …
Metal–Organic Bichromophore Lowers the Upconversion Excitation Power Threshold and Promotes UV Photoreactions
Sensitized triplet–triplet annihilation upconversion is a promising strategy to use visible light
for chemical reactions requiring the energy input of UV photons. This strategy avoids unsafe …
for chemical reactions requiring the energy input of UV photons. This strategy avoids unsafe …
Generation of Thioxanthone Hydrogen Anion by Double Photoreduction and Uses for Catalytic Photoreductions
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 …
unlike traditional iridium or ruthenium complexes. Among them, radical anions often have …
Organic super-reducing photocatalysts generate solvated electrons via two consecutive photon induced processes
Photocatalysts with extremely strong reducing potential are often thought to operate through
a consecutive photoinduced electron transfer (ConPeT) mechanism, where a first photon …
a consecutive photoinduced electron transfer (ConPeT) mechanism, where a first photon …
Base-mediated homologative rearrangement of nitrogen–oxygen bonds of N-methyl-N-oxyamides
Due to the well known reactivity of C (O)–N functionalities towards canonical C1-
homologating agents (eg carbenoids, diazomethane, ylides), resulting in the extrusion of the …
homologating agents (eg carbenoids, diazomethane, ylides), resulting in the extrusion of the …