Synthesis and biological activity of new 1H-Pyrazolo[3,4-b]quinoxalines (flavazoles)
✍ Scribed by Ahmad S. Shawali; Mohie M. Zayed; Thoraya A. Farghaly
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2005
- Tongue
- English
- Weight
- 56 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
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## Abstract Dedicated to Professor Gerhard Kempter on the occasion of his 70^th^ birthday Quinoxaline‐2‐aldoximes and ‐ketoximes (**6**) react with hydrazine, alkylhydrazines or arylhydrazines under acidic conditions to afford l__H__‐pyrazolo[3,4‐__b__]quinoxalines (flavazoles) (**1**). Since the o
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract A new class of quinolones, 1,4‐dihydro‐4‐oxopyridazino[3,4‐__b__]quinoxaline‐3‐carboxylic acids and related compounds, were synthesized __via__ oxidation of 1,5‐dihydropyridazino[3,4‐__b__]quinoxalines obtained from 2‐hydrazinoquinoxaline 4‐oxides. Some of the 1,5‐dihydropyridazino[3,4‐