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Synthesis of polynuclear heterocyclic quinone imines — Derivatives of 4a,9-diazahydrofluoren-6-ones

✍ Scribed by V. A. Kaminskii; O. Yu. Slabko; M. N. Tilichenko


Book ID
104781972
Publisher
Springer US
Year
1988
Tongue
English
Weight
556 KB
Volume
24
Category
Article
ISSN
0009-3122

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## Abstract magnified image 8‐Oxa‐__4b__,7‐diaza‐benzo[__a__]azulene‐9‐one system, a new tricyclic heterocyclic framework is designed through a simple and convenient synthetic sequence. Its 6‐aryl derivatives are synthesized starting from ethyl indole‐2‐carboxylate. Reaction of differently substit