Process for the preparation of ziprasidone
    6.
    发明授权
    Process for the preparation of ziprasidone 失效
    齐拉西酮制备方法

    公开(公告)号:US08410268B2

    公开(公告)日:2013-04-02

    申请号:US12921566

    申请日:2009-03-09

    IPC分类号: C07D417/12

    CPC分类号: C07D417/12

    摘要: The present invention relates to a process for preparing Ziprasidone of formula I, or a pharmaceutically acceptable salt or a solvate or a hydrate thereof; comprising the steps of reacting 1-(1,2-benzisothiazol-3-yl) piperazine of formula II or its salt: with 5-(2-haloethyl)-6-chloro-oxindole of formula III: wherein X is leaving groups like fluoro, chloro, bromo, iodo or sulphonyl; in the presence of a dispersing agent and a base in a solvent to form ziprasidone of formula I; and optionally converting the ziprasidone formed into a pharmaceutically acceptable acid addition salts of ziprasidone; or a solvate or a hydrate thereof.

    摘要翻译: 本发明涉及制备式I的齐拉西酮或其药学上可接受的盐或溶剂化物或其水合物的方法; 包括使式II的1-(1,2-苯并异噻唑-3-基)哌嗪或其盐与式III的5-(2-卤代乙基)-6-氯 - 羟基吲哚反应的步骤:其中X为离开基团 氟,氯,溴,碘或磺酰基; 在分散剂和碱的存在下在溶剂中形成式I的齐拉西酮; 并且任选地将形成的齐拉西酮转化为齐拉西酮的药学上可接受的酸加成盐; 或其溶剂合物或其水合物。

    Condensed pyrrole mercapto compounds having hypotensive and decongestant
properties
    8.
    发明授权
    Condensed pyrrole mercapto compounds having hypotensive and decongestant properties 失效
    具有降血压和减充血特性的缩合吡咯巯基化合物

    公开(公告)号:US4055647A

    公开(公告)日:1977-10-25

    申请号:US642503

    申请日:1975-12-19

    IPC分类号: A61K31/395 A61K31/505

    CPC分类号: A61K31/395

    摘要: The present invention relates to condensed pyrrole mercapto compounds, especially to optionally substituted indole or aza-indole mercapto derivatives, which compounds have ophthalmological and hypotensive properties, in particular vasoconstrictor, especially decongestant properties. It further relates to pharmaceutical compositions containing these compounds. An illustrative example is 3-(2-imidazolin-2-ylthio)-indole hydrochloride or hydroiodide.

    摘要翻译: 本发明涉及缩合吡咯巯基化合物,特别是涉及任选取代的吲哚或氮杂 - 吲哚巯基衍生物,该化合物具有眼科学和降血压特性,特别是血管收缩剂,特别是减充血剂性质。 它还涉及含有这些化合物的药物组合物。 示例性实例是3-(2-咪唑啉-2-基硫基) - 吲哚盐酸盐或氢碘酸盐。