Two new series of substituted arylpiperazines with heterocyclic 3-propoxy-benzimidazole or 3-propoxy-benzimidazole-2-thione groups were synthesized and their in vitro binding affinities for the D,, 5-HT1A, 5-HT2A, and alpha-adrenergic receptors determined. Among them, only two compounds with phenyl aryl-constituent (8a and 9a) showed 5-HT2A/D-2 pK(i) binding ratios proposed for atypical neuroleptics. As to their behavioral screening on rodents, both compounds exhibited a non-cataleptic action in rats and antagonized D-amphetamine-induced hyperlocomotion in mice, suggesting their possible atypical antipsychotic potency. (c) 2007 Elsevier Ltd. All rights reserved.
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Temple Univ, Lewis Katz Sch Med, 100 E Lehigh Ave,Suite 305B, Philadelphia, PA 19125 USATemple Univ, Lewis Katz Sch Med, 100 E Lehigh Ave,Suite 305B, Philadelphia, PA 19125 USA
Musselman, Meghan
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Faden, Justin
Citrome, Leslie
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New York Med Coll, Valhalla, NY 10595 USATemple Univ, Lewis Katz Sch Med, 100 E Lehigh Ave,Suite 305B, Philadelphia, PA 19125 USA