18931-06-1Relevant articles and documents
Thermal Cyclization of 2-Acyl-1-azido-3-phenalenones to Phenaleno[1,2-c]isoxazol-7-ones [1]
Stadlbauer, Wolfgang,Fischer, Michaela
, p. 943 - 947 (2007/10/03)
1-Azido-3-phenalenones 5 with acyl substituents in position 2, obtained by acylation and azidation of 1-hydroxy-3-phenalenones 1, cyclized by thermolysis to give phenaleno[1,2-c]isoxazol-7-ones 9. The thermolysis conditions were studied by differential scanning calorimetry.