Synthesis, SAR studies, and evaluation of 1,4-benzoxazepine derivatives as selective 5-HT1A receptor agonists with neuroprotective effect:: Discovery of Piclozotan

被引:64
作者
Kamei, K [1 ]
Maeda, N [1 ]
Nomura, K [1 ]
Shibata, M [1 ]
Katsuragi-Ogino, R [1 ]
Koyama, M [1 ]
Nakajima, M [1 ]
Inoue, T [1 ]
Ohno, T [1 ]
Tatsuoka, T [1 ]
机构
[1] Daiichi Asubio Pharma Co Ltd, Osaka 6188513, Japan
关键词
1,4-benzoxazepine; 5-HT1A; neuroprotective; anti-ischemia; piclozotan; SUNN4057;
D O I
10.1016/j.bmc.2005.10.046
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A new series of 1,4-benzoxazepine derivatives was designed, synthesized, and evaluated for binding to 5-HT1A receptor and cerebral anti-ischemic effect. A lot of compounds exhibited nanomolar affinity for 5-HT1A receptor with good selectivity over both dopamine D, and alpha(1)-adrenergic receptors. Among these compounds, 3-chloro-4-[4-[4-(2-pyridinyl)-1,2,3,6-tetrahydropyridin-1-y]butyl]-1, 4-benzoxazepin-5(4H)-one (50: SUN N4057 (Piclozotan) as 2HCl salt) showed remarkable neuroprotective activity in a transient middle cerebral artery occlusion (t-MCAO) model. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1978 / 1992
页数:15
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