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  • 1
    ISSN: 1434-4475
    Keywords: 5-Benzoyl-1-methyleneamino-4-phenyl-1H-pyrimidine-2-ones ; 1-Alkyl-5-benzoyl-4-phenyl-1H-pyrimidine-2-ones ; 1,4,5-Substituted pyrimidine-2-thiones ; Cyclocondensation reactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung 4-Benzoyl-5-phenylfuran-2,3-dion (1) cyclisiert mit den Semicarbazonen2 sowie den Harnstoffen bzw. Thioharnstoffen6 unter Verlust von H2O und CO2 zu einer Reihe von 1,4,5-substituierten 1H-Pyrimidinen in Ausbeuten von 30–75%. Die an3 b exemplarisch durchgeführte Hydrolyse liefert die 1-Amino-Verbindung4.
    Notes: Summary 4-Benzoyl-5-phenylfuran-2,3-dione (1) and the semicarbazones2, ureas and thioureas6, respectively, combine with loss of water and carbondioxide yielding the 1H-pyrimidine derivatives3 and7, respectively, in moderate yields (30–75%). Hydrolysis of3 b leads to the 1-amino-pyrimidine-2-one4.
    Type of Medium: Electronic Resource
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