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Report | Regular issue | Vol 23, No. 10, 1985, pp.2549-2556
Published online, 1st January, 1970
DOI: 10.3987/R-1985-10-2549
■ Nitrogen Bridgehead Compounds. Part 56. Reaction of 2,6a-Diaza-3a-azoniaphenalene Quaternary Salts with N-Nucleophiles and Carbaninos

István Bitter,* Béla Pete, Gábor Tóth, István Hermecz, and Zoltán Mészáros

*Department of Organic Chemical Technology, Technical University of Budapest, H-1521 Budapest, Gellért tér 4, Hungary

Abstract

2,6a-Diaza-3a-azoniaphenalene chlorides (1) smoothly condense with strong N-nucleophiles and carbanions generated from malonic ester derivatives affording tri- and tetracycles by ring transformation.