Synthesis 2005(7): 1052-1054  
DOI: 10.1055/s-2005-861858
SHORTPAPER
© Georg Thieme Verlag Stuttgart · New York

A New Synthetic Approach to the Benzo[c]phenanthridine Ring System

Ilka Kock, Bernd Clement*
Pharmaceutical Institute, Department of Pharmaceutical Chemistry, Christian-Albrechts-University of Kiel, Gutenbergstraße 76, 24118 Kiel, Germany
Fax: +49(431)8801352; e-Mail: bclement@pharmazie.uni-kiel.de;
Further Information

Publication History

Received 10 November 2004
Publication Date:
09 March 2005 (online)

Abstract

The base-catalyzed reaction of 2-methylbenzonitrile and paraformaldehyde provided 6-amino-11,12-dihydrobenzo[c]phen­anthridine, which was converted via the corresponding 6-oxo- and 6-thioxo-derivatives into benzo[c]phenanthridine.