Late-stage C–H functionalization of azines

CM Josephitis, HMH Nguyen, A McNally - Chemical reviews, 2023 - ACS Publications
Azines, such as pyridines, quinolines, pyrimidines, and pyridazines, are widespread
components of pharmaceuticals. Their occurrence derives from a suite of physiochemical …

Toolbox for distal C–H bond functionalizations in organic molecules

SK Sinha, S Guin, S Maiti, JP Biswas, S Porey… - Chemical …, 2021 - ACS Publications
Transition-metal-catalyzed C–H activation has developed a contemporary approach to the
omnipresent area of retrosynthetic disconnection. Scientific researchers have been tempted …

Alkoxy radicals see the light: new paradigms of photochemical synthesis

L Chang, Q An, L Duan, K Feng, Z Zuo - Chemical Reviews, 2021 - ACS Publications
Alkoxy radicals are highly reactive species that have long been recognized as versatile
intermediates in organic synthesis. However, their development has long been impeded due …

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 …

Visible light photoredox-catalysed remote C–H functionalisation enabled by 1, 5-hydrogen atom transfer (1, 5-HAT)

W Guo, Q Wang, J Zhu - Chemical Society Reviews, 2021 - pubs.rsc.org
The generation of heteroatom-centred radicals (X˙), followed by intramolecular 1, 5-
hydrogen atom transfer (1, 5-HAT) and the functionalisation of the translocated carbon …

Visible light photocatalysis in the late-stage functionalization of pharmaceutically relevant compounds

R Cannalire, S Pelliccia, L Sancineto… - Chemical Society …, 2021 - pubs.rsc.org
The late stage functionalization (LSF) of complex biorelevant compounds is a powerful tool
to speed up the identification of structure–activity relationships (SARs) and to optimize …

N-Functionalized Pyridinium Salts: A New Chapter for Site-Selective Pyridine C–H Functionalization via Radical-Based Processes under Visible Light Irradiation

M Kim, Y Koo, S Hong - Accounts of Chemical Research, 2022 - ACS Publications
Conspectus The radical-mediated C–H functionalization of pyridines has attracted
considerable attention as a powerful tool in synthetic chemistry for the direct …

Manganese-Catalyzed Oxidative Azidation of C(sp3)–H Bonds under Electrophotocatalytic Conditions

L Niu, C Jiang, Y Liang, D Liu, F Bu, R Shi… - Journal of the …, 2020 - ACS Publications
The selective installation of azide groups into C (sp3)–H bonds is a priority research topic in
organic synthesis, particularly in pharmaceutical discovery and late-stage diversification …

Recent advances in pyridinium salts as radical reservoirs in organic synthesis

FS He, S Ye, J Wu - ACS Catalysis, 2019 - ACS Publications
Pyridinium salts are valuable building blocks, which have been widely applied in various
organic transformations during the past few decades. In particular, N-functionalized …