Stereochemical aspects of the metabolism of 5-(4'-fluorophenyl)-5-phenylhydantoin in the rat

Autor: Michel Claesen, Pierre Dumont, Jacques H. Poupaert, Pierre De Laey, Jacques Adline
Rok vydání: 1979
Předmět:
Zdroj: Journal of Medicinal Chemistry. 22:1140-1142
ISSN: 1520-4804
0022-2623
DOI: 10.1021/jm00195a029
Popis: Racemic 5-(4'-fluorophenyl)-5-phenylhydantoin was synthesized to examine its metabolism in rat. This compound differs from the antiepileptic agent 5,5-diphenylhydantoin in that the normal site of hydroxylation in 5,5-diphenylhydantoin is blocked on one of the phenyl groups by a fluorine atom. The 4'-fluoro analogue gives a major metabolite, which was isolated and identified as (R)-(-)-5-(4'-fluorophenyl)-5-(4'-hydroxyphenyl)hydantoin of 37% enantiomeric purity. The absolute configuration and enantiomeric purity of the metabolite was determined by chemical conversion to (S)-(-)-5-(4'-hydroxyphenyl)-5-phenylhydantoin. A second metabolite of the catechol type, possibly as a mixture of 5-(3',4'-dihydroxyphenyl)-5-(4'-fluorophenyl)hydantoin, and the corresponding O-3'-methyl derivative was detected by gas chromatography-mass spectrometry after methylation.
Databáze: OpenAIRE