Add time:08/27/2019         Source:sciencedirect.com

Interest in 2,3‐bis(p‐methoxyphenyl)imidazo[1,2‐a]‐pyrimidine as a potent, orally active, anti‐inflammatory agent required a method for its determination in serum, urine, and feces to permit studies of its absorption, metabolism, and excretion. A simple, rapid, sensitive, and specific procedure was developed based on an ethyl acetate extraction of alkaline specimens and subsequent fluorometric analysis of ethanolic solutions of the extract residues. The method is sensitive to 0.2 μg/ml, 0.3 μg/ml, and 1.2 μg/100 mg of drug in serum, urine, and feces, respectively. The overall mean recovery and the standard deviation from biological samples are 99.8 ± 5.1%. The procedure has been successfully applied to absorption studies in the dog.

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