Synthesis and conversion of 2‐(pyrazol‐1‐yl)quinoxaline 4‐oxides | Zendy

Kim Ho Sik | Zendy; Kwag Sam Tag | Zendy; Choi Kyung Ok | Zendy; Okamoto Yoshihisa | Zendy; Kajiwara Shinnosuke | Zendy; Fujiwara Noriko | Zendy; Kurasawa Yoshihisa | Zendy

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

Author(s) -

Kim Ho Sik,

Kwag Sam Tag,

Choi Kyung Ok,

Okamoto Yoshihisa,

Kajiwara Shinnosuke,

Fujiwara Noriko,

Kurasawa Yoshihisa

Publication year - 2000

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570370116

Subject(s) - quinoxaline , chemistry , acetylacetone , medicinal chemistry , oxide , organic chemistry

The reaction of 6‐chloro‐2‐hydrazinoquinoxaline 4‐oxide 1b with acetylacetone or benzoylacetone gave 6‐chloro‐2‐(3,5‐dimethylpyrazol‐i‐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.

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