Synthesis 2012; 44(11): 1711-1717
DOI: 10.1055/s-0031-1290970
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Coumarin- and Quinolone-Annulated Benzazocinone Frameworks by a Palladium-Catalyzed Intramolecular Heck Reaction

K. C. Majumdar*
Department of Chemistry, University of Kalyani, Kalyani 741235, W.B., India, Email: kcm@klyuniv.ac.in
,
Srikanta Samanta
Department of Chemistry, University of Kalyani, Kalyani 741235, W.B., India, Email: kcm@klyuniv.ac.in
,
Tapas Ghosh
Department of Chemistry, University of Kalyani, Kalyani 741235, W.B., India, Email: kcm@klyuniv.ac.in
› Author Affiliations
Further Information

Publication History

Received: 30 January 2012

Accepted after revision: 28 March 2012

Publication Date:
09 May 2012 (online)


Abstract

A synthetic strategy based on the sequential application of an aromatic aza-Claisen rearrangement and an intramolecular Heck reaction as the key steps has been developed for the synthesis of various new coumarin- and quinolone-annulated benzazocinone derivatives in 60–70% yields.