Article ID Journal Published Year Pages File Type
1440126 Synthetic Metals 2016 8 Pages PDF
Abstract

•Adducts of aminoazoles and aminoazines in formyl pyrazolate Zn(II) chelate.•Spectroscopic and structural characterization of Zn(II) compounds.•Photoluminescent behavior of Zn(II) complexes.

A series of eight adducts of aminoazoles and aminoazines of a bis-chelate Zn(II) on the basis of 1-phenyl-3-methyl-4-formylpyrazole-5-one (HL) of common formula [ZnL2(NH2Het)n] (n = 1, 2) (3a–h), where NH2Het = 1-aminoisoquinoline (3a), 6-aminoquinoline (3b), 3-aminoquinoline (3c), 5-amino-4,6-dimethylquinoline (3d), 2-aminopyridine (3e), 2-amino-5-bromopryridine (3f), 3-amino-5-methylisoxazole (3g), and 2-amino-1-ethylbenzimidazole (3h), were synthesized. Formulation of all compounds is based upon satisfactory C, H, N, Zn elemental analyses, IR, and 1H NMR spectrоscopies. The structure of complex 3a has been determined by X-ray single-crystal diffraction. Optical properties of zinc complexes were investigated by UV–vis and photoluminescence spectroscopy.

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