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Paper | Regular issue | Vol 26, No. 7, 1987, pp.1863-1871
Published online, 1st January, 1970
DOI: 10.3987/R-1987-07-1863
■ A Convenient Access to Furo[3,2-h]quinolines and to Furo[3,2-b]pyridines via SRN1 Reactions

René Beugelmans and Michèle Bois-Choussy

*Institut des Chimie des Substances Naturelles, C.N.R.S., 1 avenue de la Terrasse, Bat. 27, 91198 Gif-sur-Yvette Cedex, France

Abstract

The two steps route to furo[3,2-h]quinolines 4 or to furo[3,2-b]pyridines 17 involves an SRN1 reaction between 5-chloro-7-iodo-8-isopropoxyquinoline 1a or 2-bromo-3-isopropoxypyridin 15 and enolates derived from ketones. The subsritution products 3 or 16, lead to the title compounds under acidic treatment.