Abstract:
:A series of 1-¿omega-(4-aryl-1-piperazinyl)alkyl]indolin-2(1H)-one derivatives 2-14 was synthesized in order to obtain ligands with a dual 5-HT1A/5-HT2A activity. The majority of those compounds (2-5, 7, 10-13) exhibited a high 5-HT1A (Ki = 2-44 nM) and/or 5-HT2A affinity (Ki = 51 and 39 for 5 and 7, respectively). Induction of lower lip retraction (LLR) and behavioral syndrome and inhibition of these effects evoked by 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) were used for determination the agonistic and antagonistic activity, respectively, at 5-HT1A receptors. The 5-HT2A antagonistic activity was assessed by the blocking effect on the head twitches induced by (+/-)-1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) in mice. Two of the tested compounds, 1-¿3-[4-(3-chlorophenyl)-1-piperazinyl]propyl¿-6-fluoroindolin-2(1 H)-one (5) and 1-¿3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl¿indolin-2(1H)-one (7), demonstrated a high 5-HT1A/5-HT2A affinity and an in vivo antagonistic activity towards both receptor subtypes.
journal_name
Arch Pharm (Weinheim)journal_title
Archiv der Pharmazieauthors
Mokrosz MJ,Duszyńska B,Misztal S,Kłodzińska A,Tatarczyńska E,Chojnacka-Wójcik E,Dziedzicka-Wasylewska Mdoi
10.1002/(sici)1521-4184(199810)331:10<325::aid-ardsubject
Has Abstractpub_date
1998-10-01 00:00:00pages
325-30issue
10eissn
0365-6233issn
1521-4184pii
10.1002/(SICI)1521-4184(199810)331:10<325::AID-ARDjournal_volume
331pub_type
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