Abstract
A series of new mononuclear heteroleptic derivatives of aluminum(III), {[(CH3COCHCOCH3)AlL] (1 and 4)}, {[(C6H5COCHCOC6H5)AlL] (2, 5, and 7)}, and {[(C9H6NO)AlL] (3 and 6)}, have been synthesized by reacting Al(OPri)3 with tridentate Schiff base H2Lx (H2L1 = C13H10BrNO2; H2L2 = C14H13NO3; H2L3 = C17H13NO2) and β-diketone/8-hydroxyquinoline (β-diketone = acetylacetone/dibenzoylmethane) in 1 : 1 : 1 stoichiometry using anhydrous benzene and ethanol. All the complexes were characterized by elemental analysis, FTIR, and NMR (1H and 13C) spectral studies. Molecular structures obtained from single-crystal XRD of aqua 1 (1a) and DMSO coordinated 2 (2a) authenticate their existence. Further, nanostructured α-alumina was synthesized from 1 by well-established sol–gel method and was characterized by powder XRD, TEM, and EDX analyses.
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