Reaction of 3-oxo-3-R1-N-R2-propanethioamides with 2-amino-5-R-pyridines

Reaction of 3-oxo-3-R1-N-R2-propanethioamides with 2-amino-5-R-pyridines

Direction of a reaction between 3-oxo-3-R1-N-R2-propanethioamides and 2-amino-5-R-pyridines in acetic acid depends on the structure of initial thioamides: at R1 = Me, R2 = Ar, Et 2-methyl-7-R-4H-pyrido[1,2-a]-pyrimidine-4-thiones are obtained, and at R1 = Ar, R2 = Me form 1-methyl-5-(N-methylaminoth...

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Veröffentlicht in:Russian journal of organic chemistry 2007-02, Vol.43 (2), p.276-279
Hauptverfasser: Britsun, V. N., Borisevich, A. N., Pirozhenko, V. B., Lozinskii, M. O.
Format: Artikel
Sprache:eng
Schlagworte:
Acetic acid
Organic chemistry
Pyridines
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Zusammenfassung:Direction of a reaction between 3-oxo-3-R1-N-R2-propanethioamides and 2-amino-5-R-pyridines in acetic acid depends on the structure of initial thioamides: at R1 = Me, R2 = Ar, Et 2-methyl-7-R-4H-pyrido[1,2-a]-pyrimidine-4-thiones are obtained, and at R1 = Ar, R2 = Me form 1-methyl-5-(N-methylaminothiocarbonyl)-4,6-diaryl-1,2-dihydropyridine-2-thiones.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428007020200