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Synthesis 1990; 1990(1): 70-72
DOI: 10.1055/s-1990-26792
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Methyl 2-Benzoylamino-3-dimethylaminopropenoate in the Synthesis of Heterocyclic Systems. The Synthesis of Substituted 3-Benzoylamino-2H-pyran-2-ones

Jurij Svete* , Zvonko Čadež, Branko Stanovnik, Miha Tišler
  • *Department of Chemistry, Edvard Kardelj University, YU-61000 Ljubljana, Yugoslavia
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Publication Date:
17 September 2002 (online)

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5,6-Disubstituted 3-benzoylamino-2H-pyran-2-ones 3 are prepared either from 1,3-dicarbonyl compounds 1 and methyl 2-benzoyl-amino-3-dimethylaminopropenoate (2) in an one-step reaction, or from ethyl 2-acyl-3-dimethylaminopropenoates 5a,b or 2-(dimethylamino)methylene-1,3-diketones 5c,d and 5-oxo-2-phenyl-1,3-oxazole 6.

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