Preparation of 23-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-1,5-dione derivatives

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Abstract

The 2,3-dihydro-7-methyl-1H,5H-pyrido[3,2,1-ij]quinoline-1,5-dione derivatives 9 and 10 were prepared from 3-(5,7-dimethoxy-4-methyl-2-oxo-2H- quinolin-1-yl)propionitrile (6). Cyclodehydration of the amide 8 gave 1,2-dihydro-7,9-dimethoxy-6-methylpyimido[1,2-a]quinolin-3-one (11).
Original languageEnglish
Pages (from-to)723-725
JournalJournal of Heterocyclic Chemistry
Volume42
Issue number4
Publication statusPublished - May 2005

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