A convenient synthesis of novel pyridazino[3,4-b]quinoxalines
β Scribed by Yoshihisa Kurasawa; Harumi Arai; Kiyoko Arai; Atsushi Satoh; Satoyuki Ninomiya; Yoshihisa Okamoto; Atsushi Takada
- Book ID
- 112128674
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1987
- Tongue
- English
- Weight
- 130 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0022-152X
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π SIMILAR VOLUMES
## Abstract The pyridazino[3,4β__b__]quinoxaline 12 was synthesized by the cyclization of the Ξ±βarylhydrazonoacylβhydrazide 11. The reaction of compound 12 with phosphoryl chloride gave pyridazino[3,4β__b__]quinoxaline 13, whose reactions with sodium azide or cyclic secondary amines provided pyrida
Quinolone analogues I -VI with pyridazino [3,4-b]quinoxaline ring system were synthesized from the (1-alkylhydrazino)quinoxaline N-oxides 1 via oxidation of pyridazino [3,4-b] quinoxalines 2,3,5,7, quinoxalino[2,3-c]cinnolines 4, and1,2-diazepino[3,4-b]quinoxalines 6. The biological activities of qu