Synthesis and conversion of 2-(pyrazol-1-yl)quinoxaline 4-oxides

Authors
Kim, HS Kwag, ST Choi, KO Okamoto, Y Kajiwara, S Fujiwara, N Kurasawa, Y
Citation
Hs. Kim et al., Synthesis and conversion of 2-(pyrazol-1-yl)quinoxaline 4-oxides, J HETERO CH, 37(1), 2000, pp. 103-107
Citations number
10
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
JOURNAL OF HETEROCYCLIC CHEMISTRY
ISSN journal
0022152X → ACNP
Volume
37
Issue
1
Year of publication
2000
Pages
103 - 107
Database
ISI
SICI code
0022-152X(200001/02)37:1<103:SACO24>2.0.ZU;2-C
Abstract
The reaction of 6-chloro-2-hydrazinoquinoxaline 4-oxide Ib with acetylaceto ne or benzoylacetone gave 6-chloro-2-(3,5-dimethylpyrazol-1-yl)quinoxaline 4-oxide 5a or 6-chloro-2-(3-methyl-5-phenylpyrazol-1-yl)quinoxaline 4-oxide 5b, respXectively. Compound 5a or 5b was converted into the pyrrolo[1,5-a] quinoxaline 6a or 6b, triazolo[4,3-a]quinoxaline 9a or 9b, and tetrazolo[1, 5-a]quinoxaline 10.