International Journal of Multidisciplinary Research and Development

International Journal of Multidisciplinary Research and Development


International Journal of Multidisciplinary Research and Development
International Journal of Multidisciplinary Research and Development
Vol. 7, Issue 3 (2020)

Preparation, characterization of N: Phenyl B: Nitrobenzo hydroxamic acid and its iron (III) and copper (II) complexes


Ehsan AA, Elmugdad AA, Dalia MO

N-phenyl b-nitrobenzo hydroxamic acid had been prepared by coupling reaction of the prepared of N-phenyl hydroxylamine and methyl nitro benzoate in alkaline media was characterized by melting point (205-2060C), characters iron and copper color test, FT-IR characteristics spectral bands at 3112cm-1 (OH),1693 cm-1 (C=O) and 931 cm-1 (N-O). The 1H NMR spectrum shows the characteristic attachment of the proton of the hydroxyl group to the nitrogen atom in the region(7.43 – 7.70) ppm, the shift of the resonance signal of hydroxyl proton to lower field to support intermolecular hydrogen bonding, the appearance of protons of aromatic ring in the region (8.06 – 8.35) ppm. The 13C NMR spectra exhibit absorption signal due to carbonyl (C=O) nearly 166.26 ppm. The chemical shifts of aromatic carbons appear in the region (122.49 – 150.45) ppm. Beside these signals, a signal nearly 16 ppm appeared which corresponding to carbon atom of alkyl group. Iron (III) and copper (II) N-phenyl b-nitrobenzo hydro xamate complexes were prepared by reacting, N-phenyl b-nitro benzo hydroxamic acids with corresponding metal salts at pH= 3. Showing the characteristic colors. They show absorbance at a wavelength of maximum (λmax) 415nm, 425 nm for Fe3+,Cu2+ complexes respectively indicating that the metal ligand complexes were formed from both.
Pages : 91-96