Abstract

Abstract A sensitive spectrophotometric procedure for the estimation of griseofulvin (Antibiotic Ant (fungal) through electron transfer complexation reaction is proposed The pocedure was based on the interaction of the drug oxime with 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) in acelonitrile media). The optimal experimental conditions, molar ratio of reactants and the applicability of the suggested method to assay the drug in tablet forms were studied. The reaction product was isolated in a crystalline form and subjected to spectroscopic investigation by means of infrared (IR) and electron spin resonance (ESR) spectroscopy. The structure elucidation studies of the complex confirmed the radical ion formation.

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