首页> 外文期刊>European Journal of Medicinal Chemistry: Chimie Therapeutique >Diamine-based human histamine H3 receptor antagonists: (4-aminobutyn-1-yl)benzylamines.
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Diamine-based human histamine H3 receptor antagonists: (4-aminobutyn-1-yl)benzylamines.

机译:基于二胺的人组胺H3受体拮抗剂:(4-氨基丁炔-1-基)苄胺。

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摘要

A series of (4-aminobutyn-1-yl)benzylamines were prepared and the SAR around three key areas: (1) the amine attached to the butynyl linker (R(3)R(4)N-); (2) the benzylamine moiety (R(1)R(2)N-); and (3) the point of attachment of the benzylamine group (R(1)R(2)N- in the ortho, meta, or para positions) was examined. One compound, 4-[3-(4-piperidin-1-yl-but-1-ynyl)-benzyl]-morpholine (9s) was chosen for further profiling and found to be a selective histamine H(3) antagonist with desirable drug-like properties. Ex vivo receptor occupancy studies established that 9s does occupy H(3) binding sites in the brain of rats after oral administration. Subcutaneous doses of 9s (10mg/kg) given during the natural sleep phase demonstrated robust wake-promoting effects.
机译:制备了一系列的(4-氨基丁炔-1-基)苄胺,SAR围绕三个关键区域:(1)与丁炔基连接基(R(3)R(4)N-)相连的胺; (2)苄胺部分(R(1)R(2)N-); (3)检查苄胺基的连接点(在邻,间或对位的R(1)R(2)N-)。选择一种化合物4- [3-(4-哌啶-1-基-丁-1-炔基)-苄基]-吗啉(9s)进行进一步分析,发现它是一种选择性的组胺H(3)拮抗剂,具有理想的作用类药物性质。离体受体占用研究确定,口服后9s确实占据了大鼠大脑中的H(3)结合位点。在自然睡眠阶段皮下注射9s(10mg / kg)表现出强大的促醒作用。

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