An-Najah National University

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  • Tuesday, August 1, 2006
  • Synthesis of a new series of heterocyclic scaffolds for medicinal purposes
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  • A new series of substituted 8-fluro-4H-pyrimido[2,1-b] [1,3]benzothiazole-4-ones () substituted 7-methyl-4H-isoxazolo[2,3-a]pyrimidin-4-ones, and substituted 2-methyl-5,6,7,8-tetrahydro-9H-isoxazolo[2,3-a]pyridopyrimidin-9-ones, compounds I–VII, have been prepared via condensation of β-keto esters with 2-aminopyridine derivatives, in the presence of polyphosphoric acid. The same technique has also been used to prepare diazepine compounds, VIIIX, by condensation of a γ-keto ester with 2-aminopyridine derivatives. Details of synthetic procedures are shown. The new compounds have been characterized by elemental analysis, GC–MS, FT-IR and NMR spectrometry. Antibacterial, antifungal and anticancer (cytotoxic) activities, for three of these compounds, have been investigated and are presented.

     

    European Journal of Medicinal Chemistry, Volume 41, Issue 8, August 2006, Pages 1017-1024


    http://dx.doi.org/10.1016/j.ejmech.2006.03.025

     
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Mohammed Saleem Ali-Shtayeh
Applied biology and biotechnology
 
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