Conjugated heterocumulenes. Synthesis of conjugated carbodiimides and their facile conversion via intramolecular cycloaddition into nitrogen heterocycles, quinoline and pyrido[2,3-b]indole (α-carboline) derivatives
- 1 January 1992
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 1,p. 22-24
- https://doi.org/10.1039/c39920000022
Abstract
A convenient method is described for the synthesis of conjugated carbodiimides and their application to nitrogen heterocycle synthesis via electrocyclisation–intramolecular Diels–Alder reaction.Keywords
This publication has 4 references indexed in Scilit:
- On the Reaction of (Vinylimino)phosphoranes. Part 17. Preparation of N-Vinylcarbodiimides and Their [4+2] Cycloaddition with Several Dienophiles to Give Pyridine Ring SystemBulletin of the Chemical Society of Japan, 1991
- Cycloaddition reactions of carbodiimides. The first example of an intramolecular Diels–Alder reaction of CC-conjugated carbodiimidesJournal of the Chemical Society, Chemical Communications, 1990
- Conjugated heterocumulenes. Synthesis of CC- and NC-conjugated ketenimines through a Wittig-type reaction and their conversion into hetero(carbo)cyclesJournal of the Chemical Society, Perkin Transactions 1, 1989
- CONJUGATED HETEROCUMULENES. SYNTHESIS OF C=C-CONJUGATED CARBODIIMIDES BY A WITTIG-TYPE REACTION OF IMINOPHOSPHORANES WITH ISOCYANATES AND THEIR CYCLOADDITIONSChemistry Letters, 1986