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A convenient synthesis of novel pyridazino[3,4-b]quinoxalines

✍ 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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πŸ“œ SIMILAR VOLUMES


Synthesis of novel pyridazino[3,4-b]quin
✍ Ho Sik Kim; Eun Kyoung Kim; Sung Sik Kim; Yong Tae Park; Young Seuk Hong; Yoshih πŸ“‚ Article πŸ“… 1997 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 225 KB

## Abstract The pyridazino[3,4‐__b__]quinoxaline 12 was synthesized by the cyclization of the α‐arylhydrazonoacyl‐hydrazide 11. The reaction of compound 12 with phosphoryl chloride gave pyridazino[3,4‐__b__]quinoxaline 13, whose reactions with sodium azide or cyclic secondary amines provided pyrida

Synthesis and biological activities of q
✍ Yoshihisa Kurasawa; Ho Sik Kim πŸ“‚ Article πŸ“… 2002 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 445 KB

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