A convenient approach to the synthesis of the imidazo[5,1-b]oxazole ring system

Citation
H. Salgado-zamora et al., A convenient approach to the synthesis of the imidazo[5,1-b]oxazole ring system, HETEROCYCLE, 50(2), 1999, pp. 1081-1090
Citations number
12
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
HETEROCYCLES
ISSN journal
03855414 → ACNP
Volume
50
Issue
2
Year of publication
1999
Pages
1081 - 1090
Database
ISI
SICI code
0385-5414(19990401)50:2<1081:ACATTS>2.0.ZU;2-N
Abstract
Reaction of 4(5)-bromo-2-methyl-5(4)-nitroimidazole with phenacyl bromide d erivatives led to 4-bromo-2-methyl-1-phenacyl-5-nitro- and 5-bromo-2-methyl - 1-phenacyl-4-nitroimidazoles. Treatment of the latter isomers with potass ium tert-butoxide in dry THF yielded imidazo[5, 1-b]oxazoles.