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J Med Chem. 1988 Oct;31(10):1965-8.

Serotonergic properties of spiroxatrine enantiomers.

Author information

1
Department of Pharmaceutical Sciences, College of Pharmacy, University of Arizona, Tucson 85721.

Abstract

The neuroleptic drug spiperone (1) has proven very useful in the characterization of putative serotonin (5-hydroxytryptamine, 5-HT) receptors. Thus, 5-HT1 receptors have been divided into subtypes based on their affinities for 1: 5-HT1A sites have high affinity, while 5-HT1B sites have low affinity. However, the usefulness of 1 for the pharmacological characterization of 5-HT1A sites is limited because of its high affinity for 5-HT2 (as well as D2-dopaminergic) receptors. A close analogue of 1, (+/-)-spiroxatrine (2), has much higher affinity for 5-HT1A receptors and much lower affinity for 5-HT2 receptors. We report here the stereospecific synthesis of (R)-(+)- and (S)-(-)-spiroxatrine enantiomers and their evaluation at several 5-HT receptors and D2-dopaminergic and alpha 1-adrenergic receptors.

PMID:
2902227
DOI:
10.1021/jm00118a017
[Indexed for MEDLINE]

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