Synthesis and Characterization of Zn(II) Complexes of 2-(7-Bromo-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-1-yl)acetohydrazide and Its Condensation Products with Pyruvic Acid and Isatin

摘要

The systems ZnCl2-2-(7-bromo-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-1-yl)acetohydrazide (Hydr)-propan-2-ol, ZnCl2-Hydr-pyruvic acid (HPv), and Zn(CH3COO)(2)-Hydr-isatin(HIz)-propan-2-ol were studied. Optimal synthesis conditions were determined, and the complexes [Zn(Hydr)(2)Cl-2], [Zn(HydrHPv)(2)Cl-2], and [Zn(HydrIz)(2)] were isolated. The complexes were characterized by elemental analysis, thermogravimetry, IR spectroscopy, and mass spectrometry. The electrical conductivities of the complexes were measured. The local environment of the central atom in the coordination entity was determined by X-ray absorption spectroscopy.