Strategies to generate nitrogen-centered radicals that may rely on photoredox catalysis: development in reaction methodology and applications in organic synthesis

K Kwon, RT Simons, M Nandakumar… - Chemical …, 2021 - ACS Publications
For more than 70 years, nitrogen-centered radicals have been recognized as potent
synthetic intermediates. This review is a survey designed for use by chemists engaged in …

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 …

A toolbox approach to construct broadly applicable metal-free catalysts for photoredox chemistry: deliberate tuning of redox potentials and importance of halogens in …

E Speckmeier, TG Fischer, K Zeitler - Journal of the American …, 2018 - ACS Publications
The targeted choice of specific photocatalysts has been shown to play a critical role for the
successful realization of challenging photoredox catalytic transformations. Herein, we …

Organic semiconductor photocatalyst can bifunctionalize arenes and heteroarenes

I Ghosh, J Khamrai, A Savateev, N Shlapakov… - Science, 2019 - science.org
Photoexcited electron-hole pairs on a semiconductor surface can engage in redox reactions
with two different substrates. Similar to conventional electrosynthesis, the primary redox …

Recent advances in radical C–H activation/radical cross-coupling

H Yi, G Zhang, H Wang, Z Huang, J Wang… - Chemical …, 2017 - ACS Publications
Research and industrial interest in radical C–H activation/radical cross-coupling chemistry
has continuously grown over the past few decades. These reactions offer fascinating and …

Organic photoredox catalysis

NA Romero, DA Nicewicz - Chemical reviews, 2016 - ACS Publications
In this review, we highlight the use of organic photoredox catalysts in a myriad of synthetic
transformations with a range of applications. This overview is arranged by catalyst class …

Organocatalysis in inert C–H bond functionalization

Y Qin, L Zhu, S Luo - Chemical reviews, 2017 - ACS Publications
As two coexisting and fast-growing research fields in modern synthetic chemistry, the
merging of organocatalysis and C–H bond functionalization is well foreseeable, and the joint …

Recent advances in twisted intramolecular charge transfer (TICT) fluorescence and related phenomena in materials chemistry

S Sasaki, GPC Drummen, G Konishi - Journal of Materials Chemistry C, 2016 - pubs.rsc.org
Twisted intramolecular charge transfer (TICT) is an electron transfer process that occurs
upon photoexcitation in molecules that usually consist of a donor and acceptor part linked by …

Photocatalysis in organic and polymer synthesis

N Corrigan, S Shanmugam, J Xu, C Boyer - Chemical Society Reviews, 2016 - pubs.rsc.org
This review, with over 600 references, summarizes the recent applications of photoredox
catalysis for organic transformation and polymer synthesis. Photoredox catalysts are metallo …

Recent applications of organic dyes as photoredox catalysts in organic synthesis

DA Nicewicz, TM Nguyen - Acs Catalysis, 2014 - ACS Publications
Single electron redox pathways play a pivotal role in a vast array of processes integral to life
on the planet. It is no surprise that organic chemists have been intrigued by the possibility …