838-32-4Relevant articles and documents
Solvent and catalyst-free synthesis of imidazo[1,2-a]pyridines by grindstone chemistry
Godugu, Kumar,Nallagondu, Chinna Gangi Reddy
, p. 250 - 259 (2020/10/23)
The present work describes the solvent and catalyst-free synthesis of imidazo[1,2-a]pyridines in excellent to nearly quantitative yields from 2-aminopyridines and a wide variety of ω-bromomethylketones using a grindstone procedure at 25°C to 30°C for 3 to
Rapid Construction of Fused Heteropolycyclic Aromatics via Palladium-Catalyzed Domino Arylations of Imidazopyridine Derivatives
Xue, Chenwei,Han, Jianwei,Zhao, Min,Wang, Limin
supporting information, p. 4402 - 4406 (2019/05/08)
By using diaryliodonium salts, a novel approach of a palladium-catalyzed cascade of diarylation/intramolecular dehydrogenative coupling reaction has been developed in the synthesis of phenanthro-imidazopyridine fused heteropolycycles. The method can toler
A synthetic method of 2-phenyl-imidazo[1,2-a]pyridine compounds
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Paragraph 0048; 0049; 0050; 0051; 0052; 0055, (2016/10/10)
A synthetic method of 2-phenyl-imidazo[1,2-a]pyridine compounds is disclosed. Compared with the prior art, the method adopts a high-frequency mechanical grinding technique, is finished by a one-step reaction and is simple in operation, free of solvents in a reaction process and free of chemical agents with high toxicity. The method is short in reaction time and mild in reaction conditions, wherein the reaction can be finished in 90 min and can be performed at room temperature with a oscillation frequency of 30 Hz. The method is high in yield, and the highest yield can reach 94%. The method can rapidly and effectively synthesize the 2-phenyl-imidazo[1,2-a]pyridine compounds with strong electron withdrawing groups, while the 2-phenyl-imidazo[1,2-a]pyridine compounds with the strong electron withdrawing groups cannot be synthesized by traditional methods or are low in synthesis yield unless extremely extreme and strict reaction conditions are adopted.