Microwave assisted heterocyclization: A rapid and efficient synthesis of imidazo [4,5-b] pyridines

Authors
Bakavoli, M Germaninejhad, H Rahimizadeh, M Ghassemzadeh, M Heravi, MM
Citation
M. Bakavoli et al., Microwave assisted heterocyclization: A rapid and efficient synthesis of imidazo [4,5-b] pyridines, I J HET CHE, 10(4), 2001, pp. 317-318
Citations number
13
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
INDIAN JOURNAL OF HETEROCYCLIC CHEMISTRY
ISSN journal
09711627 → ACNP
Volume
10
Issue
4
Year of publication
2001
Pages
317 - 318
Database
ISI
SICI code
0971-1627(200104/06)10:4<317:MAHARA>2.0.ZU;2-C
Abstract
2,3-Diaminopyridine 1 and 2-chloro-3-amino-pyridine 2 reacted with urea and thiourea under microwave irradiation in solventless system to afford imida zo [4,5-b] pyridin-2-one 3 and imidazo [4,5-6] pyridin-2-thione 4 respectiv ely.