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Correlation of the Molecular Structure and Spectral Characteristics of Some Hydroxamic Acid Derivatives

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The electronic absorption spectra of some hydroxamic acid oxime derivatives and Schiff's base derivatives in polar (ethanol) and nonpolar (CCl4) solvents, as well as in some other organic solvents of different polarities, were investigated; the variation of absorbance with pH was utilized for the determination of pKa and ΔG* values. The important bands in the IR spectra as well as the main signals of the NMR spectra are also discussed in relation to the molecular structure.

Keywords: Hydroxamic acid derivatives; Spectophotometric study of some hydroxamic acid derivatives; pKa of hydroxamic acid derivatives

Document Type: Research Article


Affiliations: 1: Faculty of Science, Benha University, Benha Qalyubia, Egypt; complete address: Chemistry Department, Faculty of Science, Benha University, Post Code 13518 Benha, Benha Qalyubia, Egypt 2: Faculty of Science, Benha University, Benha Qalyubia, Egypt 3: Faculty of Science, Ain Shams University, Cairo, Egypt

Publication date: May 1, 1993

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