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

✍ Scribed by Wolfgang Stadlbauer; Michaela Fischer

Publisher
Journal of Heterocyclic Chemistry
Year
1998
Tongue
English
Weight
314 KB
Volume
35
Category
Article
ISSN
0022-152X

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✦ Synopsis

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.

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