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ChemInform Abstract: Organic Azides in Heterocyclic Synthesis. Part 26. Thermal Cyclization of 4-Azido-3-nitropyridines to Furoxanes.

✍ Scribed by Wolfgang Stadlbauer; Werner Fiala; Michaela Fischer; Gerhard Hojas


Publisher
John Wiley and Sons
Year
2001
Weight
31 KB
Volume
32
Category
Article
ISSN
0931-7597

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📜 SIMILAR VOLUMES


Thermal cyclization of 4-azido-3-nitropy
✍ Wolfgang Stadlbauer; Werner Fiala; Michaela Fischer; Gerhard Hojas 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 326 KB

## 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**

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## 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

ChemInform Abstract: Organic Azides in H
✍ Wolfgang Stadlbauer; Michaela Fischer 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 2 views

## 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