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| Soort document: | Artikel |
|---|---|
| Alle auteurs / medewerkers: | M Froimowitz; Y Gu; LA Dakin; PM Nagafuji; CJ Kelley; D Parrish; JR Deschamps; A Janowsky |
| ISSN: | 0022-2623 |
| OCLC-nummer: | 110081487 |
| Taalopmerking: | English |
| Onderscheidingen: |
Fragment:
Methylphenidate analogues, in which the carbomethoxy has been replaced by an alkyl group and with different phenyl substituents, have been synthesized and tested in monoamine transporter assays. As predicted from a pharmacophore model, most of the RR/SS diastereomers showed high potency as dopamine reuptake inhibitors. Analogues with a 4-chlorophenyl group and an unbranched initial alkyl atom had consistently enhanced selectivity for the dopamine transporter. The most potent compounds were those with a three- or four-carbon chain. The "inactive" RS/SR diastereomers showed substantial activity when the phenyl substituent was 3,4-dichloro. On a locomotor assay, one compound was found to have a slow onset and a long duration of action. The activity of these compounds provides additional evidence for a conformational/superposition model of methylphenidate with cocaine-like structures. A ketone analogue, obtained by hydrogenating a previously described vinylogous amide, had activity similar to that of methylphenidate.
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door krh100@mail.francis.edu bijgewerkt 2010-09-16
