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Reactions of cyclic enaminoketones with benzylidenemalononitriles. Synthesis of new fused heterocyclic systems containing the 1,4-dihydropyridine fragment |
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| Authors: | Lichitsky B V Ivanov S N Dudinov A A Woznesensky S A Krayushkin M M |
| Institution: | (1) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation |
| Abstract: | The reactions of cyclic enaminoketones with benzylidenemalononitriles were examined and a new procedure was developed for the synthesis of fused heterocyclic systems containing the 1,4-dihydropyridine ring, viz., thienopyrimidoquinolines and furopyrimidoquinolines. The characteristic features of the reactions and the structures of the resulting compounds were investigated. |
| Keywords: | cyclic enaminoketones benzylidenemalononitriles fused 1 4-dihydropyridines thienopyrimidoquinolines furopyrimidoquinolines Michael reaction |
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