Photocatalytic late-stage C–H functionalization

P Bellotti, HM Huang, T Faber, F Glorius - Chemical Reviews, 2023‏ - ACS Publications
The emergence of modern photocatalysis, characterized by mildness and selectivity, has
significantly spurred innovative late-stage C–H functionalization approaches that make use …

Photoredox-catalyzed C–H functionalization reactions

N Holmberg-Douglas, DA Nicewicz - Chemical reviews, 2021‏ - ACS Publications
The fields of C–H functionalization and photoredox catalysis have garnered enormous
interest and utility in the past several decades. Many different scientific disciplines have …

Visible light-mediated halogenation of organic compounds

AA Festa, OA Storozhenko… - Chemical Society …, 2023‏ - pubs.rsc.org
The use of visible light and photoredox catalysis emerged as a powerful and sustainable
tool for organic synthesis, showing high value for distinctly different ways of bond creation …

Direct catalytic functionalization of indazole derivatives

S Ghosh, S Mondal, A Hajra - Advanced Synthesis & Catalysis, 2020‏ - Wiley Online Library
Indazoles are a very important class of N‐containing heterocycles with a wide range of
biological and medicinal properties. The presence of different functionalities on indazole …

Visible light-induced functionalization of indazole and pyrazole: a recent update

D Ghosh, S Ghosh, A Ghosh, P Pyne… - Chemical …, 2022‏ - pubs.rsc.org
Indazole and pyrazole are renowned as a prodigious class of heterocycles having versatile
uses in medicinal as well as industrial chemistry. Considering sustainable approaches …

Visible light-mediated organophotocatalyzed C–H bond functionalization reactions

M Uygur, OG Mancheño - Organic & Biomolecular Chemistry, 2019‏ - pubs.rsc.org
Over the last decade, a variety of methodologies for the direct functionalization of C–H
bonds have been developed. Among others, visible light photoredox reactions have recently …

Visible-Light-Mediated Regioselective C3–H Selenylation of Pyrazolo[1,5-a]pyrimidines Using Erythrosine B as Photocatalyst

T Choudhuri, S Paul, S Das, DD Pathak… - The Journal of Organic …, 2023‏ - ACS Publications
A visible-light-induced efficient methodology has been developed for the C–H selenylation
of pyrazolo [1, 5-a] pyrimidine derivatives employing erythrosine B as the photocatalyst. This …

Organophotoredox catalysis: switchable radical generation from alkyl sodium sulfinates for sulfonylation and alkylative activation of C–C bonds of cyclopropenes

P Chandu, S Biswas, K Pal… - The Journal of Organic …, 2024‏ - ACS Publications
Generating alkyl radicals from the sulfonyl radicals remains challenging in synthetic
chemistry. Here, we report an efficient photocatalyzed strategy using alkyl sodium sulfinates …

Heterogeneous Photocatalytic Recycling of FeX2/FeX3 for Efficient Halogenation of C−H Bonds Using NaX

J Ye, D Zhang, S Salli, Y Li, F Han, Y Mai… - Angewandte …, 2023‏ - Wiley Online Library
Environmental‐friendly halogenation of C− H bonds using abundant, non‐toxic halogen
salts is in high demand in various chemical industries, yet the efficiency and selectivity of …

Electrocatalytic three-component synthesis of 4-halopyrazoles with sodium halide as the halogen source

JY Chen, HX Li, SY Mu, HY Song, ZL Wu… - Organic & …, 2022‏ - pubs.rsc.org
The first example of the electrocatalytic multicomponent synthesis of 4-chloro/bromo/
iodopyrazoles from hydrazines, acetylacetones and sodium halides under chemical oxidant …