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四氮杂芳族季铵盐:介导尼古丁诱发多巴胺释放的神经元烟碱受体新型亚型选择性拮抗剂。

Tetrakis-azaaromatic quaternary ammonium salts: novel subtype-selective antagonists at neuronal nicotinic receptors that mediate nicotine-evoked dopamine release.

作者信息

Zhang Zhenfa, Zheng Guangrong, Pivavarchyk Marharyta, Deaciuc A Gabriela, Dwoskin Linda P, Crooks Peter A

机构信息

Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536-0082, USA.

出版信息

Bioorg Med Chem Lett. 2008 Nov 1;18(21):5753-7. doi: 10.1016/j.bmcl.2008.09.084. Epub 2008 Sep 26.

Abstract

A series of tetrakis-azaaromatic quaternary ammonium salts was synthesized to identify compounds with higher affinity and selectivity as antagonists at neuronal nicotinic receptor subtypes (nAChR) that mediate nicotine-evoked DA release. A high hit rate was achieved in identifying potent analogs that inhibit these nAChRs. Three tetrakis analogs, 11j, 11f, and 11g, were identified as potent (IC(50)=3, 28 and 56nM, respectively) antagonists at these receptors. These compounds represent a novel structural class of nicotinic receptor antagonists.

摘要

合成了一系列四氮杂芳族季铵盐,以鉴定对介导尼古丁诱发多巴胺释放的神经元烟碱样受体亚型(nAChR)具有更高亲和力和选择性的拮抗剂化合物。在鉴定抑制这些nAChR的有效类似物方面取得了很高的命中率。三种四氮类似物11j、11f和11g被鉴定为这些受体的强效拮抗剂(IC(50)分别为3、28和56 nM)。这些化合物代表了一类新型的烟碱样受体拮抗剂结构。

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