Abstract:
:A series of 2-aminotetralins, substituted with a methoxy or a hydroxy group on the 5- or 7-position, and with varying N-alkyl or N-arylalkyl substituents, were prepared and evaluated in binding assays for human dopamine (DA) D2, D3, and D4 receptors. Some members of this series were prepared in former studies, but were never tested in vitro with single receptor subtypes, and these were examined again. None of the tested 2-aminotetralins showed high affinity for the dopamine D4 receptor. However, a number of the 2-aminotetralins showed high affinity for both the D2 and the D3 DA receptors, as exemplified by compounds 11-15 and 21-26, while some had a reasonable selectivity for the DA D3 receptors. The affinities of the 2-aminotetralins for the D21, receptor depended on the type of radioligand (agonist or antagonist) used. The agonist affinity data, obtained by using the agonist ligand [3H]N-0437, are thought to be more relevant for calculating DA receptor subtype selectivity.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
van Vliet LA,Tepper PG,Dijkstra D,Damsma G,Wikström H,Pugsley TA,Akunne HC,Heffner TG,Glase SA,Wise LDdoi
10.1021/jm960345lsubject
Has Abstractpub_date
1996-10-11 00:00:00pages
4233-7issue
21eissn
0022-2623issn
1520-4804pii
jm960345ljournal_volume
39pub_type
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