132911-20-7Relevant articles and documents
Organic Azides in Heterocyclic Synthesis, 12. Thermal Cyclization of 4-Azido-3-formyl-2-quinolones to Isoxazoloquinolones
Roschger, Peter,Stadlbauer, Wolfgang
, p. 401 - 403 (2007/10/02)
Thermolysis of the 4-azido-3-formyl-2-quinolone 6, which was prepared from the 4-hydroxy-2-quinolone 1, afforded the ring-closed isoxazoloquinolone 7. 3-(Arylaminomethylene)-2,4-quinolinediones 2 could not be transformed into an azide precursor in order t