Synthesis of 1,3,1′,5′,6′,7′-hexahydro-3,3′-biindolyl-2,4′-dione derivatives by cyclization of 3-alkylideneoxindoles with enaminone

Synthesis of 1,3,1′,5′,6′,7′-hexahydro-3,3′-biindolyl-2,4′-dione derivatives by... The reaction between 3-alkylideneoxindoles 1 and 3-aminocyclohex-2-enone 2 was studied, and an efficient synthesis of 1,3,1′,5′,6′,7′-hexahydro-3,3′-biindolyl-2,4′-dione derivatives was developed by a sequential Michael addition followed by intramolecular condensation catalyzed by nickel dichloride hexahydrate. The reaction mechanism is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Synthesis of 1,3,1′,5′,6′,7′-hexahydro-3,3′-biindolyl-2,4′-dione derivatives by cyclization of 3-alkylideneoxindoles with enaminone

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Publisher
Springer Netherlands
Copyright
Copyright © 2012 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-012-0974-2
Publisher site
See Article on Publisher Site

Abstract

The reaction between 3-alkylideneoxindoles 1 and 3-aminocyclohex-2-enone 2 was studied, and an efficient synthesis of 1,3,1′,5′,6′,7′-hexahydro-3,3′-biindolyl-2,4′-dione derivatives was developed by a sequential Michael addition followed by intramolecular condensation catalyzed by nickel dichloride hexahydrate. The reaction mechanism is discussed.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 21, 2012

References

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