Results 41 to 50 of about 81,920,088 (159)

Synthesis of Imidazo[1,2-a]pyridines via Multicomponent GBBR Using α-isocyanoacetamides

, 2018
Six novel imidazo[1,2-a]pyridines were synthesized by Groebke–Blackburn–Bienaymé reactions (GBBRs) under eco-friendly conditions (10 mol% ammonium chloride catalyst in EtOH at room temperature) with moderate to good yields (76–44%) using 2-isocyano-1 ...
Alejandro Islas-Jácome, Rocío Gámez-Montaño, Manuel A. Rentería Gómez   +2 more
core   +1 more source

Advances in Palladium‐Catalyzed Suzuki–Miyaura Cross‐Coupling Strategies for Heterocyclic Synthesis: Focus on Pyridines, Indoles, and Quinolines

Journal of Chemistry, Volume 2026, Issue 1, 2026.
This review aims to summarize recent developments (2020–2025) in the use of Suzuki–Miyaura cross‐coupling reactions for the synthesis and functionalization of pyridine, indole, and quinoline derivatives—three classes of heterocycles known for their wide‐ranging biological and pharmacological significance.
Shreyas Krishna K., Padmapriya M., Manjunath R., Santosh L. Gaonkar, Munmun Bardhan   +4 more
wiley   +1 more source

Palladium-Catalyzed Double C-H Arylation Reaction: Tandem Synthesis of Benzo[ a ]imidazo[5,1,2- cd ]indolizines from Imidazo[1,2- a ]pyridines and o -Dihaloarenes

, 2015
A palladium-catalyzed direct arylation of 2-arylimidazo[1,2-a]pyridines with o-dihaloarenes via double C-H activation is described. The process comprises intermolecular C3-arylation of 2-arylimidazo[1,2-a]pyridines followed by an intramolecular C5 ...
Wang, Hanyang, Peng, Jinsong, Yao, Liping, Li, Bin, Chen, Chunxia, Huang, Zhangjie   +5 more
core   +1 more source

1,1,1,3,3,3-Hexafluoro-2-Propanol-Promoted Friedel–Crafts Reaction: Metal-Free Synthesis of C3-Difluoromethyl Carbinol-Containing Imidazo[1,2-a]pyridines at Room Temperature

, 2023
A facile and efficient method has been developed for the synthesis of C3-difluoromethyl carbinol-containing imidazo[1,2-a]pyridines at room temperature via the HFIP-promoted Friedel–Crafts reaction of difluoroacetaldehyde ethyl hemiacetal and imidazo[1,2-
Kai Yang, Juanjuan Gao, Xiaohua Guo, Zhaowen Liu, Zhixi Chen, Longhui Wu   +5 more
core   +1 more source

Carbon Dots: Small Materials With Big Impacts on Optoelectronic Devices

Aggregate, Volume 6, Issue 12, December 2025.
This review systematically summarizes the roles of carbon dots in optoelectronic devices, emphasizing their electro‐induced effects, and structural optimization strategies. It further analyzes performance limitations and prospects for the preparation and application of high‐quality carbon dots.
Boyang Wang, Junwei Wang, Siyu Lu
wiley   +1 more source

3,5-Diarylimidazo[1,2-a]pyridines as Color-Tunable Fluorophores

, 2017
A new protocol for the synthesis of color-tunable fluorescent 3,5-diarylimidazo[1,2-a]pyridines has been achieved via palladium-catalyzed C-H amination of pyridinium zwitterions.
Eun Jeong Yoo, Hong Ki Kim, Donguk Ko, Mu-Hyun Baik, Ju Young Lee, Jae Yul Shim   +5 more
core   +1 more source

CuBr catalyzed aerobic oxidative coupling of 2-aminopyridines with cinnamaldehydes: direct access to 3-formyl-2-phenyl-imidazo[1,2-a]pyridines

, 2015
Copper bromide catalyzed aerobic oxidative coupling of 2-aminopyridines with cinnamaldehydes directly led to the formation of 3-formyl-2-phenyl-imidazo[1,2-a]pyridines.
Bharate, Sandip B., Bharatam, Prasad V., Bharate, Jaideep B., Abbat, Sheenu, Vishwakarma, Ram A.   +4 more
core   +1 more source

Conversion of Pyridine to Imidazo[1,2‑a]pyridines by Copper-Catalyzed Aerobic Dehydrogenative Cyclization with Oxime Esters

, 2016
A rapid and environmentally friendly conversion of pyridine to imidazo[1,2-a]pyridines has been developed via copper-catalyzed aerobic dehydrogenative cyclization with ketone oxime ...
Huawen Huang (1427662), Xiaodong Tang (252527), Xianwei Li (1426819), Xiaochen Ji (1771654), Min Zhang (111999), Huanfeng Jiang (1392913)   +5 more
core   +1 more source

Chemical-genetic profiling of imidazo[1,2-a]pyridines and -pyrimidines reveals target pathways conserved between yeast and human cells.

, 2008
Small molecules have been shown to be potent and selective probes to understand cell physiology. Here, we show that imidazo[1,2-a]pyridines and imidazo[1,2-a]pyrimidines compose a class of compounds that target essential, conserved cellular processes ...
Andres Lopez, Lopez Andres, El Bali Brahim, Corey Nislow, Elke Ericson, Grant W. Brown, Brahim El Bali, Lisa Yu, Yu Lisa, Brown Grant W., Hamal Abdellah, Angus McQuibban, Guri Giaever, Abdellah Hamal, Heisler Lawrence E., Nislow Corey, Grant W Brown, Abderrahmane Anaflous, Boone Charles, Lawrence E. Heisler, Lawrence E Heisler, Ericson Elke, Charles Boone, Anaflous Abderrahmane, Giaever Guri, Mohammed Bellaoui, McQuibban Angus, Bellaoui Mohammed   +27 more
core   +1 more source

Synthesis of Triphenylamine-Imidazo[1,2-a]pyridine via Groebke–Blackburn–Bienaymé Reaction

, 2020
A series of triphenylamine-imidazo[1,2-a]pyridine were synthesized in moderate yields (57–67%) by Groebke–Blackburn–Bienaymé reaction (GBBR) under catalyst and solvent green conditions.
Rocío Gámez-Montaño, Mahanandaiah Kurva, Manuel A. Rentería Gómez   +2 more
core   +1 more source