Journal of Heterocyclic Chemistry p. 103 - 107 (2000)
Update date:2022-07-30
Topics:
Kim, Ho Sik
Kwag, Sam Tag
Choi, Kyung Ok
Okamoto, Yoshihisa
Kajiwara, Shinnosuke
Fujiwara, Noriko
Kurasawa, Yoshihisa
The reaction of 6-chloro-2-hydrazinoquinoxaline 4-oxide 1b with acetylacetone 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, respectively. 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.
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