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  • Küçük Resim
    Öğe
    Michael/Michael Addition Cascade of 2-Benzylidene-1-indanones with Chalcones: Synthesis and Biological Evaluations of Novel Polycyclic Compounds
    (Wiley, 2021) Gezegen, Hayreddin; Tutar, Uğur; Tüzün, Gamze; Atioğlu, Zeliha; Akkurt, Mehmet
    A series of novel racemic 2-aryloyl-1,3-diaryl-2,3,3a,8a-tetrahydrocyclopenta[a]inden-8(1H)-one derivatives were synthesized from KOtBu mediated Michael/Michael addition reaction of 2-benzylidene-1-indanones with chalcones in high yields. This method provides an efficient route for the synthesis of a new class of polycyclic compounds have five stereo centers. The obtained polycyclic compounds were evaluated for the antimicrobial and anticancer activities against fifteen microorganism and three cell lines. The compound 3 r have the best activity value against the cells (MCF-7 IC50=18.01 +/- 0.39 mu g/mL) (MDA-MB- 231 IC50=18.78 +/- 1.75 mu g/mL) (MCF-10 A IC50=31.31 +/- 0.05 mu g/mL).
  • Küçük Resim
    Öğe
    N-(4-Acetylphenyl)-N?-(4-fluorophenyl)urea
    (2018) Çelik, İsmail; Atioğlu, Zeliha; Ordu, Gamze; Gezegen, Hayreddin; Akkurt, Mehmet
    In the title compound, C15H13FN2O2, the fluoro­phenyl and 4-acetyl­phenyl rings are twisted from each other by a dihedral angle of 11.6?(2)°. In the crystal, mol­ecules are packed into layers parallel to (010). Each layer contains the mol­ecules linked by a pair of strong N—H...O hydrogen bonds, with an R22(14) ring motif, while strong C—H...F hydrogen bonds forming R42(26) ring motifs connect mol­ecules into a two-dimensional network. The inter­molecular inter­actions have been investigated using Hirshfeld surface studies and two-dimensional fingerprint plots.
  • Küçük Resim
    Öğe
    N-(4-Chlorophenyl)-N?-{4-[(Z)-hydroxy(1-oxo-1,3-dihydro-2H-inden-2-ylidene)methyl]phenyl}urea
    (2018) Çelik, İsmail; Atioğlu, Zeliha; Ordu, Gamze; Gezegen, Hayreddin; Akkurt, Mehmet
    In the title compound, C23H17ClN2O3, the 2,3-di­hydro-1H-indene ring system (r.m.s deviation = 0.004?Å) subtends dihedral angles of 81.12?(16) and 7.56?(14)° with the chloro­phenyl and benzene rings, respectively. The mol­ecular conformation features an intra­molecular O—H...O hydrogen bond, forming an S(6) ring motif. In the crystal, mol­ecules are linked by N—H...O hydrogen bonds generating [100] chains featuring R12(6) loops. Weak aromatic ?–? stacking [centroid–centroid distance = 3.656?(2)?Å] is also oberved.