Recent developments in the synthesis of imidazo [1, 2-a] pyridines

K Pericherla, P Kaswan, K Pandey, A Kumar - Synthesis, 2015 - thieme-connect.com
Advances in the last decade for the synthesis of the imidazo [1, 2-a] pyridine scaffold from
various substrates employing approaches such as multicomponent reactions, tandem …

Generation of aryl radicals by redox processes. Recent progress in the arylation methodology

DI Bugaenko, AA Volkov, AV Karchava… - Russian Chemical …, 2021 - iopscience.iop.org
Arylation methods based on the generation and use of aryl radicals have been a rapidly
growing field of research in recent years and currently represent a powerful strategy for …

Blue Light Irradiated Metal-, Oxidant-, and Base-Free Cross-Dehydrogenative Coupling of C(sp2)–H and N–H Bonds: Amination of Naphthoquinones with Amines

RK Jha, M Batabyal, S Kumar - The Journal of Organic Chemistry, 2023 - ACS Publications
Herein, we report a blue-light-driven amination of C (sp 2)–H bond of naphthoquinones and
quinones with the N–H bond of primary and secondary amines for the synthesis of 2-amino …

Copper-catalyzed inter-and intramolecular C–N bond formation: synthesis of benzimidazole-fused heterocycles

S Rasheed, DN Rao, P Das - The Journal of Organic Chemistry, 2015 - ACS Publications
A Cu (II)-catalyzed, inter/intramolecular C–N bond formation for the synthesis of various
benzimidazole-fused heterocycles in a concise manner has been reported. The robustness …

Efficient pyrido [1, 2-a] benzimidazole formation from 2-aminopyridines and cyclohexanones under metal-free conditions

Y Xie, J Wu, X Che, Y Chen, H Huang, GJ Deng - Green Chemistry, 2016 - pubs.rsc.org
An efficient procedure for pyrido [1, 2-a] benzimidazole preparation from 2-aminopyridines
and cyclohexanones under metal-free conditions is described. Non-aromatic …

Metal-free electrochemical [3+ 2] heteroannulation of anilines with pyridines enabled by dual C–H radical aminations

MJ Luo, XH Ouyang, YP Zhu, Y Li, JH Li - Green Chemistry, 2021 - pubs.rsc.org
An unprecedented metal-/external-oxidant-free electrochemical intermolecular [3+ 2]
heteroannulation of anilines with electron-deficient pyridines enabled by dual C–H radical …

“Transition-metal-free” synthesis of carbazoles by photostimulated reactions of 2′-halo [1, 1′-biphenyl]-2-amines

WD Guerra, RA Rossi, AB Pierini… - The Journal of organic …, 2015 - ACS Publications
An efficient and simple protocol for the preparation of a series of 9 H-carbazoles by
photostimulated SRN1 substitution reactions is presented. Substituted 9 H-carbazoles were …

Rhodium-catalyzed annulation between 2-arylimidazo [1, 2-a] pyridines and alkynes leading to pyrido [1, 2-a] benzimidazole derivatives

H Peng, JT Yu, Y Jiang, L Wang… - Organic & Biomolecular …, 2015 - pubs.rsc.org
A rhodium-catalyzed annulation between 2-arylimidazo [1, 2-a] pyridines and alkynes was
developed, leading to pyrido [1, 2-a] benzimidazole derivatives in moderate to excellent …

Photoinduced synthesis of dibenzofurans: Intramolecular and intermolecular comparative methodologies

P Camargo Solórzano, F Brigante… - The Journal of …, 2018 - ACS Publications
The SRN1 reaction has been used as a powerful tool for the synthesis of heterocycles, and
only a few studies about photoinduced intramolecular cyclization to generate a new C–O …

A new approach for the synthesis of fluorescent pyrido [1, 2-a] benzimidazoles

A Sagirli - Synthetic Communications, 2020 - Taylor & Francis
A facile synthesis of new pyrido [1, 2-a] benzimidazoles through a one-pot multicomponent
reaction of malononitrile, electron-deficient aryl aldehydes and heterocyclic enamines …