Process for the Preparation of Risperidone
    1.
    发明申请
    Process for the Preparation of Risperidone 审中-公开
    制备利培酮的方法

    公开(公告)号:US20070293671A1

    公开(公告)日:2007-12-20

    申请号:US11631980

    申请日:2005-07-06

    IPC分类号: C07D239/70

    CPC分类号: C07D471/04

    摘要: The invention relates to a process for the preparation of risperidone (chemical name: 3-[2-[4-(6-fluoro-1,2-benzisoxazole-3-yl)-1piperidmyl]ethyl-2-methyl-6,7,8,9-terahydro-4H-pyrido[1,2-a]pyrimidine-4-one) of the formula (I) by reacting 3-(2-chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-4-one of the formula (II) and 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole of the formula (III), in which the reaction is carried out in dry methanol solvent under pressure, at a temperature between 65 and 90° C., the product is recovered by using a methanol/water mixture of specified ratio and if desired is recrystallized from an alcohol.

    摘要翻译: 本发明涉及制备利培酮(化学名称:3- [2- [4-(6-氟-1,2-苯并异恶唑-3-基)-1-哌啶基]乙基-2-甲基-6,7 ,8,9-四氢-4H-吡啶并[1,2-a]嘧啶-4-酮)通过使3-(2-氯乙基)-2-甲基-6,7,8,9 (II)的6-四氢-4H-吡啶并[1,2-a]嘧啶-4-酮和式(III)的6-氟-3-(4-哌啶基)-1,2-苯并异恶唑在 其反应在无水甲醇溶剂中在压力下在65至90℃的温度下进行,通过使用规定比例的甲醇/水混合物回收产物,如果需要,从醇中重结晶。

    Process for the synthesis of amorphous atorvastain calcium
    2.
    发明申请
    Process for the synthesis of amorphous atorvastain calcium 审中-公开
    合成无定形阿托伐他汀钙的方法

    公开(公告)号:US20070066835A1

    公开(公告)日:2007-03-22

    申请号:US10550415

    申请日:2004-03-23

    IPC分类号: C07D207/337

    CPC分类号: C07D207/34

    摘要: The invention relates to a new process for the synthesis of amorphous atorvastatin calcium, which consists of dissolving the salt of the formula (I) of atorvastatin acid formed with a basic amino acid (I); in a mixture of water and a water miscible organic solvent, adding an aqueous solution of a water soluble calcium salt to the solution and isolating the so obtained entirely amorphous atorvastatin calcium of high purity by filtration.

    摘要翻译: 本发明涉及一种合成无定形阿托伐他汀钙的新方法,其由将碱性氨基酸(I)形成的阿托伐他汀酸的式(I)的盐溶解而成。 在水和水混溶性有机溶剂的混合物中,向溶液中加入水溶性钙盐水溶液,并通过过滤分离所得到的完全无定形的阿托伐他汀钙。