Journal of Heterocyclic Chemistry p. 1559 - 1569 (2000)
Update date:2022-08-02
Topics:
Hojas
Fiala
Stadlbauer
4-Azido-3-acylquinolones 4 obtained from 4-hydroxy derivatives 1 via tosylates 3 or chlorides 5, reacted with arylhydrazines 6 to generate 4-azido-3-hydrazonoalkylquinolines 7. Thermolysis of 7 gave ring closure products which were assigned to 2-arylaminopyrazolo[4,3-c]quinolones 10. The thermal decomposition conditions of the azides 4 and 7 were studied by differential scanning calorimetry (DSC).
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