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Structure−Activity Relationships of a Series of Novel (Piperazinylbutyl)thiazolidinone Antipsychotic Agents Related to 3-[4-[4-(6-Fluorobenzo[ b ]thien-3-yl)-1-piperazinyl]butyl]-2,5,5-trimethyl-4- thiazolidinone Maleate

1996; American Chemical Society; Volume: 39; Issue: 20 Linguagem: Inglês

10.1021/jm960268u

1520-4804

Nicholas J. Hrib, John G. Jurcak, Deborah E. Bregna, Kendra L. Burgher, Harold B. Hartman, Sharon H. Kafka, Lisa L. Kerman, Sam Kongsamut, Joachim E. Roehr, Mark R. Szewczak, Ann T. Woods-Kettelberger, Roy Corbett,

Receptor Mechanisms and Signaling

HP-236 (3-[4-[4-(6-Fluorobenzo[b]thien-3-yl)-1-piperazinyl]butyl]-2,5,5-trimethyl-4-thiazolidinone maleate; P-9236) (54) displayed a pharmacological profile indicative of potential atypical antipsychotic activity. A series of piperazinyl butyl thiazolidinones structurally related to this compound were prepared and evaluated in vitro for dopamine D2 and serotonin 5HT2 and 5HT1A receptor affinity. The compounds were examined in vivo in animal models of potential antipsychotic activity and screened in models predictive of extrapyramidal side effect (EPS) liability. The synthesis of these compounds, details of their structure−activity relationships, and discovery of a new lead, compound 50, as well as further development of the profiles of compounds 50 and 54 are described.