Journal of heterocyclic chemistry

Thermal Cyclization of 2??Acyl??1??azido??3??phenalenones to Phenaleno [1, 2??c] isoxazol??7??ones

W Stadlbauer, M Fischer

Index: Stadlbauer, Wolfgang; Fischer, Michaela Journal of Heterocyclic Chemistry, 1998 , vol. 35, # 4 p. 943 - 947

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Citation Number: 5

Abstract

Abstract 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.