含ρ的γ-氨基丁酸A型受体(GABA A Rs)在控制视觉信号中起重要作用。因此,选择性靶向这些GABA A R的配体是令人关注的。在这项研究中,我们证明了部分GABA A R激动剂咪唑-4-乙酸(IAA)能够在体内穿透血脑屏障。我们制备了一系列的α-和N-烷基化以及IAA的双环类似物,以研究该支架的结构-活性关系,重点是IAA的乙酸侧链。通过IAA制备从化合物升通过有效最小步合成组氨酸,以及它们的药理学性质进行了表征在天然大鼠GABA甲Rs in a [3H]muscimol binding assay and at recombinant human α1β2γ2S and ρ1 GABAARs using the FLIPR™ membrane potential assay. The (+)‐α‐methyl‐ and α‐cyclopropyl‐substituted IAA analogues
HETEROCYCLIC COMPOUND INTERMEDIATE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
申请人:Wuhan LL Science And Technology
Development Co., Ltd.
公开号:EP3889154A1
公开(公告)日:2021-10-06
Disclosed by the invention is a heterocyclic compound, an intermediate, and a preparation method therefor and an application thereof. Provided by the invention are a heterocyclic compound as shown in formula I, and a stereoisomer, a geometric isomer, a tautomer, a nitrogen oxide, a hydrate, a solvate, a metabolite, an ester, a pharmaceutically acceptable salt or a prodrug thereof. The heterocyclic compound hasa high P2X3 antagonistic activity, and has good selectivity, low toxicity, good metabolic stability and little taste influence.
本发明公开了一种杂环化合物、一种中间体及其制备方法和应用。本发明提供了一种如式 I 所示的杂环化合物及其立体异构体、几何异构体、同分异构体、氧化氮、水合物、溶液、代谢物、酯、药学上可接受的盐或原药。该杂环化合物具有很高的 P2X3 拮抗活性,并且选择性好、毒性低、代谢稳定性好、味道影响小。
[EN] HETEROCYCLIC COMPOUND INTERMEDIATE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF<br/>[FR] INTERMÉDIAIRE DE COMPOSÉ HÉTÉROCYCLIQUE, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 杂环类化合物、中间体、其制备方法及应用