Reaktionen an Heterocyclen mit 2-Acyl-2-
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Dieter Heber
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Article
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1983
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John Wiley and Sons
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English
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## Reactions of Heterocycles Containing a 2-Acyl-2-propenone Structure, II: Pyrido[2,3-4pyrimidines from 4-0~0-4Schromene-3-carbaldehydes and 4-Aminonraciles Depending on the solvent, 4-0~0-4H-chromene-3-carbaldehydes 1 react with 4-aminouraciles 2,6 and 10 to yield pyrido[2,3-d]pyrimidines of dif