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Beiträge zur Chemie der Enaminoketone, 4. Mitt.: 1,2,3,4-Tetrahydro-pyrido[2,3-d]pyrimidin-2,4-dione

Enaminoketones, IV: 1,2,3,4-Tetrahydro-pyrido[2,3-d]-pyrimidine-2,4-diones

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Zusammenfassung

Enaminoketone vom Typ der Aryl-bzw. Alkyl-aminopropenone sind vorzüglich geeignet, mit 4-Aminouracil 1,2,3,4-Tetrahydro-pyrido[2,3-d]pyrimidin-2,4-dione zu geben. Mit Aminomethylencyclohexanon gelangt man auf diese Weise zum 1,2,3,4,7,8,9,10-Octahydro-pyrimido[4,5-c]isochinolin. Das Isomerieproblem dieser Heterocyclen wird diskutiert.

Abstract

Enaminoketones like aryl-and alkyl-aminopropenones, resp., are useful in the synthesis of 1.2.3.4-tetrahydro-pyrido-[2.3-d]pyrimidine-2.4-diones with 4-aminouracil. Amino-methylenecyclohexanone loads to 1.2.3.4.7.8.9.10-octahydropyrimido[4.5-c]isoquinoline. The problem of isomers is discussed.

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Junek, H., Wrtilek, I. Beiträge zur Chemie der Enaminoketone, 4. Mitt.: 1,2,3,4-Tetrahydro-pyrido[2,3-d]pyrimidin-2,4-dione. Monatshefte für Chemie 101, 1130–1135 (1970). https://doi.org/10.1007/BF00908557

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  • DOI: https://doi.org/10.1007/BF00908557

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