Recent advances on the transition-metal-catalyzed synthesis of imidazopyridines: an updated coverage

GK Reen, A Kumar, P Sharma - Beilstein Journal of Organic …, 2019 - beilstein-journals.org
A comprehensive account of recent advances in the synthesis of imidazopyridines, assisted
through transition-metal-catalyzed multicomponent reactions, C–H activation …

Synthesis of Imidazo[1,2-a]pyridines: Triflic Anhydride-Mediated Annulation of 2H-Azirines with 2-Chloropyridines

F Vuillermet, J Bourret, G Pelletier - The Journal of Organic …, 2020 - ACS Publications
The discovery and optimization of a reaction between 2-chloropyridines and 2 H-azirines
producing imidazo [1, 2-a] pyridines is described. The treatment of 2 H-azirines with triflic …

Methylene-Tethered Arylsulfonation and Benzotriazolation of Aryl/Heteroaryl C–H Bonds with DMSO as a One-Carbon Surrogate

S Kalari, AU Shinde, HB Rode - The Journal of Organic Chemistry, 2021 - ACS Publications
The Selectfluor-mediated approach toward the synthesis of methylene-tethered
arylsulfonation and benzotriazolation of imidazopyridines has been described. The reaction …

Difluorinative-hydroxylation and C-3 functionalization (halogenation/SCN/NO) of imidazopyridine using Selectfluor as fluorine source or oxidant respectively

S Kalari, S Balasubramanian, HB Rode - Tetrahedron Letters, 2021 - Elsevier
An efficient route for the difluorinative-hydroxylation through dearomative difunctionalization
of imidazopyridine using Selectfluor as fluorine source has been developed in an aqueous …

Monodisperse Ni@ Pd Core@ Shell nanoparticles assembled on reduced graphene oxide as a highly efficient and reusable heterogeneous catalyst for the C–H bond …

H Kilic, M Turgut, MS Yilmaz, O Dalkilic… - ACS Sustainable …, 2018 - ACS Publications
We report herein, for the first time, the direct C–H bond arylation of imidazo [1, 2-a] pyridine
with aryl halides using monodisperse Ni@ Pd core@ shell nanoparticles assembled on …

Superparamagnetic nanoparticle-catalyzed coupling of 2-amino pyridines/pyrimidines with trans-chalcones

OTK Nguyen, PT Ha, HV Dang, YH Vo, TT Nguyen… - RSC …, 2019 - pubs.rsc.org
An aerobic coupling of 2-aminopyrimidines or 2-aminopyridines with trans-chalcones to
afford aroylimidazo [1, 2-a] pyrimidines and aroylimidazo [1, 2-a] pyridines is reported …

Electronic effect of substituents on anilines favors 1, 4-addition to trans-β-nitrostyrenes: access to N-substituted 3-arylindoles and 3-arylindoles

R Gattu, S Bhattacharjee, K Mahato… - Organic & Biomolecular …, 2018 - pubs.rsc.org
A simple and an efficient method for the regioselective synthesis of N-alkyl/aryl/H 3-
arylindole derivatives from N-substituted anilines and trans-β-nitrostyrenes has been …

On water direct arylation of imidazo [1, 2-a] pyridines with aryl halides

S Kalari, DA Babar, UB Karale, VB Makane, HB Rode - Tetrahedron Letters, 2017 - Elsevier
Conclusion In conclusion, we have developed a simple, mild, ecofriendly and relatively
inexpensive method for palladium-catalysed direct arylation of imidazo [1, 2-a] pyridines with …

Survey reactivity of 2-aminopyridine and Meldrum's acid in the presence of aryl glyoxals or aryl aldehydes; ethyl 2-(3-aryl imidazo[1,2-a]pyridin-2-yl)acetates versus …

S Asadi, M Zebarjad, H Masoudi, H Mehrabi - Research on Chemical …, 2022 - Springer
The aim of present investigation is survey reactivity of 2-aminopyridine and Meldrum's acid
in the presence of aryl glyoxals or aryl aldehydes. The ethyl 2-(3-aryl imidazo [1, 2-a] pyridin …

3‐Aryl‐substituted imidazo[1,2‐a]pyridines as antituberculosis agents

UB Karale, AU Shinde, DA Babar… - Archiv der …, 2021 - Wiley Online Library
Novel inhibitors are needed to tackle tuberculosis. Herein, we report the 3‐aryl‐substituted
imidazo [1, 2‐a] pyridines as potent antituberculosis agents. A small library of 3‐aryl …