127801-87-0Relevant articles and documents
CBr4 Mediated Oxidative C-N Bond Formation: Applied in the Synthesis of Imidazo[1,2-α]pyridines and Imidazo[1,2-α]pyrimidines
Huo, Congde,Tang, Jing,Xie, Haisheng,Wang, Yajun,Dong, Jie
supporting information, p. 1016 - 1019 (2016/03/15)
The carbon tetrabromide mediated oxidative carbon-nitrogen bond formation of 2-aminopyridines or 2-aminopyrimidines with β-keto esters or 1,3-diones, leading to a variety of complex imidazo[1,2-α]pyridines or imidazo[1,2-α]pyrimidines, is reported. The re
Cu(I)-catalysed oxidative coupling of 2-aminopyridines with β-keto esters: Synthesis of imidazo[1,2-a]pyridine-3-carboxylates
Li, Xiaoqing
, p. 525 - 527 (2012/10/30)
A simple, economical, and environmentally friendly copper-catalysed direct oxidative C-N coupling of 2-aminopyridines with β-keto esters using air as oxidation agent for the creation of imidazo[1,2-a]pyridine-3-carboxylates is demonstrated. Imidazo[1,2-a]pyridine is the basic skeleton for a wide range of biological and pharmacological compounds.
Thermal and microwave-assisted rapid syntheses of substituted imidazo[1,2-a]pyridines under solvent- and catalyst-free conditions
Chunavala, Kaushik C.,Joshi, Girdhar,Suresh, Eringathodi,Adimurthy, Subbarayappa
experimental part, p. 635 - 641 (2011/04/15)
Thermal and microwave-assisted rapid syntheses of highly substituted imidazo[1,2-a]pyridine derivatives by reaction of aminopyridines and -bromo - keto esters under solvent-free conditions are described. Reactions carried out under microwave irradiation give the highest yields of products in reaction times of less than two minutes. Georg Thieme Verlag Stuttgart New York.
Synthesis of imidazo[1,2-a]pyridines by the bis(acetyloxy)(phenyl)- λ3-iodane-Mediated oxidative coupling of 2-aminopyridines with β-keto esters and 1,3-diones
Wang, Xianpei,Ma, Lijuan,Yu, Wei
supporting information; experimental part, p. 2445 - 2453 (2011/09/15)
Imidazo[1,2-a]pyridine-3-carboxylates can be prepared directly from 2-aminopyridines and β-keto esters by using bis(acetyloxy)(phenyl)- λ3-iodane as an oxidant and boron trifluoride etherate as a catalyst. The amount of catalyst plays a key rol
TBAI-catalyzed oxidative coupling of aminopyridines with β-keto esters and 1,3-diones - Synthesis of imidazo[1,2-a]pyridines
Ma, Lijuan,Wang, Xianpei,Yu, Wei,Han, Bing
supporting information; experimental part, p. 11333 - 11335 (2011/11/29)
TBAI could catalyze the direct oxidative C-N coupling of 2-aminopyridines with β-keto esters and 1,3-diones, which affords imidazo[1,2-a]pyridines as the products. The reaction was realized under metal-free conditions by using tert-butyl hydroperoxide (TB