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Michael Reactions of Arylidenesulfonylacetonitriles. A New Route to Polyfunctional Benzo[a]quinolizines

Author(s): Tayseer. A. Abdallah | Hyam. A. Abdelhadi | Huwida M. Hassaneen | Hamdi M. Hassaneen

Journal: Molecules ISSN 1420-3049
Volume: 7; Issue: 7; Start page: 540; Date: 2002;
Original page

Keywords: Arylidenesulfonylacetonitriles | 1-methylisoquinoline | isoquinolin-1-ylacetonitrile | benzo[a]quinolizines

ABSTRACT
Arylidenesulfonylacetonitriles react in acetonitrile with 1-methylisoquinoline and isoquinolin-1-yl-acetonitrile in the presence of piperidine to give benzo[a]quinolizines 6,9 and 7,10, respectively. The structures of the products were established on the basis of elemental and spectral analyses and their chemical reactivity.