Abstract
Two quinoline-substituted acylhydrazone ligands (L1 and L2) were synthesized from the reaction of 2-aminobenzoylhydrazide and quinoline-8-carboxaldehyde in a molar ratio of 1:1 or 1:2 respectively. Four complexes, namely, [Cd(L1)Cl2] (1), [Pd(L1-)Cl] (2), [Ag2(L2)2(NO3)2]‧2CH3OH (3) and [Zn(L2)Cl2]·H2O (4) were obtained by the solvent evaporation method. The four complexes were determined structurally by single-crystal X-ray diffraction and characterized by infrared spectroscopy, element analysis and powder X-ray diffraction. The crystal structures reveal that both of the two acylhydrazone compounds act as tridentate ligands in the complexes. Besides, chiral self-assembly process occurs in the reaction of the racemic ligand L2 with Ag(I) or Zn (II) ions. Furthermore, thermal stability and antibacterial properties of the complexes have been investigated as well.
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