## Abstract Thermolysis of the 4‐azido‐3‐formyl‐2‐quinolone 6, which was prepared from the 4‐hydroxy‐2‐quinolone 1, afforded the ringclosed isoxazoloquinolone 7. 3‐(Arylaminomethylene)‐2,4‐quinolinediones 2 could not be transformed into an azide precursor in order to obtain the corresponding pyrazo
Thermal Cyclization of 3-Acyl-4-azidopyridines to Isoxazolo[4,3-c]pyridines
✍ Scribed by Wolfgang Stadlbauer; Werner Fiala; Michaela Fischer; Gerhard Hojas
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 65 KB
- Volume
- 342
- Category
- Article
- ISSN
- 1615-4150
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📜 SIMILAR VOLUMES
## Abstract 4‐Chloro‐3‐nitro‐2‐pyridines 3 and 10, obtained from 4‐hydroxy‐2‐pyridones **1** and **8** after nitration and chlorination, gave with sodium azide 4‐azido‐3‐nitropyridines **4** and **11**, which cyclized on thermolysis to furoxans **6** and **12**. Desoxygenation of the furoxan **6**
## Abstract Azidation of the chlor aldehyde 2, which was obtained from the 4‐hydroxy‐2‐pyridone 1, afforded the ring‐closed isoxazolopyridone 3. Thermolysis of the 3‐acetyl‐4‐azido‐2‐pyridone 8, which was obtained from the corresponding 4‐tosyloxy derivative 7, afforded isoxazolopyridine 9. Aminati
## 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
OMS Letters Dear Sir Mass Spectraof Isoxazolo [ 4,3-~l-N-alkylpiperidine Derivatives