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 …

meta‐Selective C−H Functionalization of Pyridines

H Cao, Q Cheng, A Studer - Angewandte Chemie International …, 2023 - Wiley Online Library
The pyridine moiety is an important core structure for a variety of drugs, agrochemicals,
catalysts, and functional materials. Direct functionalization of C− H bonds in pyridines is a …

Skeletal editing of pyridines through atom-pair swap from CN to CC

Q Cheng, D Bhattacharya, M Haring, H Cao… - Nature Chemistry, 2024 - nature.com
Skeletal editing is a straightforward synthetic strategy for precise substitution or
rearrangement of atoms in core ring structures of complex molecules; it enables quick …

C–H Functionalization of Pyridines via Oxazino Pyridine Intermediates: Switching to para-Selectivity under Acidic Conditions

H Cao, D Bhattacharya, Q Cheng… - Journal of the American …, 2023 - ACS Publications
para-Selective C–H functionalization of pyridines holds a significant value but remains
underdeveloped. Site-switchable C–H functionalization of pyridines under easily tunable …

Asymmetric C3-allylation of pyridines

Z Liu, ZJ Shi, L Liu, M Zhang, MC Zhang… - Journal of the …, 2023 - ACS Publications
Asymmetric intermolecular C–H functionalization of pyridines at C3 is unprecedented.
Herein, we report the first examples of such transformations: specifically, C3-allylation of …

N-heterocyclic carbene- and organic photoredox-catalysed meta-selective acylation of electron-rich arenes

Y Goto, M Sano, Y Sumida, H Ohmiya - Nature Synthesis, 2023 - nature.com
Abstract meta-Selective functionalization of electron-rich arenes provides a complementary
route to that of traditional organic synthesis. In classical electrophilic aromatic substitution …

Electrochemical meta-C–H sulfonylation of pyridines with nucleophilic sulfinates

S Qin, M Yang, M Xu, ZH Peng, J Cai, S Wang… - Nature …, 2024 - nature.com
Considering the indispensable significance and utilities of meta-substituted pyridines in
medicinal, chemical as well as materials science, a direct meta-selective C–H …

Enantioselective C3‐Allylation of Pyridines via Tandem Borane and Palladium Catalysis

JJ Tian, RR Li, GX Tian, XC Wang - Angewandte Chemie, 2023 - Wiley Online Library
Herein, we report a one‐pot method for enantioselective C− H allylation of pyridines at C3
via tandem borane and palladium catalysis. This method involves borane‐catalyzed …

[HTML][HTML] Late-stage modification of bioactive compounds: Improving druggability through efficient molecular editing

T Huo, X Zhao, Z Cheng, J Wei, M Zhu, X Dou… - … Pharmaceutica Sinica B, 2024 - Elsevier
Synthetic chemistry plays an indispensable role in drug discovery, contributing to hit
compounds identification, lead compounds optimization, candidate drugs preparation, and …

C–H functionalization of pyridines

S Maity, A Bera, A Bhattacharjya, P Maity - Organic & Biomolecular …, 2023 - pubs.rsc.org
Pyridine and its reduced form (piperidine) are the most common nitrogen heterocycles in
FDA-approved drugs. Additionally, their presence in alkaloids, ligands for transition metals …