Aryl urea derivatives of spiropiperidines as NPY Y5 receptor antagonists.
2009
Abstract Continuing medicinal chemistry studies to identify spiropiperidine-derived NPY Y5 receptor antagonists are described. Aryl urea derivatives of a variety of spiropiperidines were tested for their NPY Y5 receptor binding affinities. Of the spiropiperidines so far examined, spiro[3-oxoisobenzofurane-1(3 H ),4′-piperidine] was a useful scaffold for producing orally active NPY Y5 receptor antagonists. Oral administration of 5c significantly inhibited the Y5 agonist-induced food intake in rats with a minimum effective dose of 3 mg/kg. In addition, this compound was efficacious in decreasing body weight in diet-induced obese mice.
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