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  • Title: Analogues of the potential antipsychotic agent 1192U90: amide modifications.
    Author: Navas F, Tang FL, Schaller LT, Norman MH.
    Journal: Bioorg Med Chem; 1998 Jun; 6(6):811-23. PubMed ID: 9681147.
    Abstract:
    Analogues of 2-amino-N-(4-(4-(1,2-benzisothiazol-3-yl)-l-piperazinyl) -butyl)benzamide hydrochloride (1192U90) were prepared and evaluated in receptor binding assays for the dopamine D2, serotonin 5-HT1a, and serotonin 5-HT2 receptors. Eight compounds have been synthesized in which the amide group of 1192U90 has been replaced with a variety of functional groups (i.e. ester, ketone, thioamide, butyramide, butyranilide, sulfonamide, alkoxyamide and hydrazide). These compounds exhibited moderate to potent affinities (0.55-200 nM) for all three receptors. Several analogues exhibited improved selectivity for the 5-HT2 receptor with D2/5-HT2 binding ratios greater than 1192U90.
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