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  • Title: Structure-activity relationship studies of CNS agents. Part 24: New analogs of N-tert.-butyl-3-[4-(2-methoxyphenyl)-1-piperazinyl]-2-phenylpropanamide (WAY-100135).
    Author: Boksa J, Klodzińska A, Charakchieva-Minol S, Chojnacka-Wójcik E, Mokrosz JL.
    Journal: Pharmazie; 1996 Feb; 51(2):72-6. PubMed ID: 8720802.
    Abstract:
    A series of new N-substituted derivatives of 3-[4-(2-methoxyphenyl)-1-piperazinyl]-2-phenylpropanamide, 6-10, were synthesized and their 5-HT1A, 5-HT2A, and alpha 1 receptor affinities were determined. All the compounds were highly potent 5-HT1A ligands with a moderate or low 5-HT2A and alpha 1 affinity. It was shown that the 5-HT2A affinity of 1 and 6-10 depended crucially on the volume of amide substituents. None of the investigated racemic mixtures 1 and 6-8 antagonized the 8-OH-DPAT-induced lower lip retraction in rats, whereas (+/-)-7 behaved like a weak agonist of 5-HT1A receptors in the model used.
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