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Paper | Regular issue | Vol 45, No. 4, 1997, pp.757-763
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7745
Novel Entry into Benzo[c]phenanthridine Systems through a Tandem Alkene Acylation-Cyclodehydration

Raul SanMartín, Eduardo Martínez de Marigorta, Isabel Moreno, and Esther Domínguez*

*Kimika Organikoa Saila, Zientzi Fakultatea, Euskal Herriko Unibertsitatea, Vasco, P.O. Box 644, 48080-Bilbao, Basque Country, Spain


12-alkylbenzo[c]phenanthridines have been obtained by an overall high yielding synthetic methodology. Key steps involve Peterson methylenation and an efficient one-pot alkene acylation-cyclization. Smooth oxidation to the benzo[c]phenanthridinone system is also reported.