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Abstract
We synthesized the six presumed metabolites (2-7) of 4-(2-methyl-1h-imidazol-1-yl)-2,2-diphenylbutanamide [KRP-197/ONO-8025, 1], a urinary incontinence therapeutic agent, in order to confirm the structures of the metabolites. Metabolite (2) was synthesized via glucuronidaion of compound (1) and methyl 2,3,4-tri-O-benzoyl-1-methanesulfonyl-α-D-glucopyranuronate. Metabolite (3) was synthesized via 3-(tert-butoxycarbonyl)-2-methyl-1,3-imidazolidine-4,5-dione. Metabolites (4-7) were synthesized via 4-amino-2-diphenylbutanamide, respectively. The structures of the metabolites (2-7) in humans were identified by means of synthesis of the authentic compounds.
Journal
- Chemical & pharmaceutical bulletin [List of Volumes]
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Chemical & pharmaceutical bulletin 55(7), 1039-1043, 2007-07-01 [Table of Contents]
The Pharmaceutical Society of Japan