One-pot preparation of derivatives of the unknown 1,9-diazaphenalene ring by a consecutive electrocyclic ring-closure/Claisen rearrangement/intramolecular amination process
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 1,p. 7-8
- https://doi.org/10.1039/c39900000007
Abstract
A short synthesis of 1,9-diazaphenalene derivatives (8) based on a new method of two consecutive pyridine annelations which involves cyclization of conjugated carbodiimides (5) is described.Keywords
This publication has 5 references indexed in Scilit:
- Conjugated carbodiimides: Preparation and thermal cyclization to 2-aminopyridine derivativesTetrahedron Letters, 1988
- Recent Developments in Naphthyridine ChemistryAdvances in Heterocyclic Chemistry, 1983
- Synthesis of 1,6-Diazaphenalene, a Vinylogous ImidazoleHETEROCYCLES, 1979
- Palladium-assisted intramolecular amination of olefins. Synthesis of nitrogen heterocyclesJournal of the American Chemical Society, 1978
- Über neue organische Phosphorverbindungen III. Phosphinmethylenderivate und PhosphinimineHelvetica Chimica Acta, 1919