Oxo-pyridoimidazole-carboxamides: GABA brain receptor ligands
    2.
    发明授权
    Oxo-pyridoimidazole-carboxamides: GABA brain receptor ligands 失效
    氧 - 吡啶并咪唑 - 甲酰胺:GABA脑受体配体

    公开(公告)号:US06177569B1

    公开(公告)日:2001-01-23

    申请号:US09383297

    申请日:1999-08-25

    IPC分类号: C07D47112

    CPC分类号: C07D471/04

    摘要: Disclosed are compounds of the formula: or the pharmaceutically acceptable non-toxic salts thereof where R1-R4 and A are defined herein, which compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors and are, therefore, useful in the diagnosis and treatment of anxiety, Down Syndrome, depression, sleep, cognitive and seizure disorders, overdose with benzodiazepine drugs and for enhancement of alertness.

    摘要翻译: 公开了下式的化合物或其药学上可接受的无毒盐,其中R1-R4和A在本文中定义,该化合物是GABAa脑受体的高选择性激动剂,拮抗剂或反向激动剂或激动剂,拮抗剂或反向激动剂的前药 因此,可用于诊断和治疗焦虑症,唐氏综合症,抑郁症,睡眠,认知和癫痫发作,用苯二氮卓类药物服用过量,提高警觉性。

    S type 2-substituted hydroxy-2-indolidinylbutyric ester compounds and process for preparation thereof
    4.
    发明授权
    S type 2-substituted hydroxy-2-indolidinylbutyric ester compounds and process for preparation thereof 失效
    S型2-取代羟基-2-吲哚哩啶基丁酸酯化合物及其制备方法

    公开(公告)号:US06277992B1

    公开(公告)日:2001-08-21

    申请号:US09570172

    申请日:2000-05-12

    IPC分类号: C07D47112

    摘要: A process for preparing S type 2-substituted hydroxy-2-indolidinyl-butyric ester compound [II]: wherein R0 is residue of nitrogen-containing fused heterocyclic carboxylic acid having absolute configuration of “R”(in which the nitrogen atom is protected), R1 and R2 are lower alkyl group, and E is ester residue, which is useful as an intermediate for preparing camptothecin derivatives having antitumor activities, which comprises 2-ethylating 2-substituted hydroxy-2-indolidinylacetic ester compound [I]: wherein the symbols are as defined above.

    摘要翻译: 一种制备S型2-取代羟基-2-吲哚哩啶基 - 丁酸酯化合物[II]的方法:其中R 0是具有绝对构型“R”(其中保护氮原子)的含氮稠合杂环羧酸的残基, R 1和R 2为低级烷基,E为酯残基,其可用作制备具有抗肿瘤活性的喜树碱衍生物的中间体,其包括2-乙基化2-取代的羟基-2-吲哚哩啶基乙酸酯化合物[I]:其中 符号如上所述。