Process for the synthesis of CMHTP and intermediates thereof
    31.
    发明授权
    Process for the synthesis of CMHTP and intermediates thereof 失效
    合成CMHTP的方法及其中间体

    公开(公告)号:US07820816B2

    公开(公告)日:2010-10-26

    申请号:US11892532

    申请日:2007-08-23

    IPC分类号: C07D471/02

    CPC分类号: C07D213/73 C07D471/04

    摘要: The present invention provides 3-benzyloxy-2-aminopyridine (BOPA), 3-(2-Hydroxyethyl)-2-methyl-9-hydoxy-4H-pyrido[1,2-a]pyrimidine-4-one (HMBP), 3-(2-Chloroethyl)-2-methyl-9-hydoxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMHP) and 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one (CMHTP) useful as intermediates for the preparation of paliperidone. The present invention also provides processes for preparing these intermediates and for preparing paliperidone.

    摘要翻译: 本发明提供3-苄氧基-2-氨基吡啶(BOPA),3-(2-羟乙基)-2-甲基-9-羟基-4H-吡啶并[1,2-a]嘧啶-4-酮(HMBP) 3-(2-氯乙基)-2-甲基-9-羟基-4H-吡啶并[1,2-a]嘧啶-4-酮(CMHP)和3-(2-氯乙基)-6,7,8,9 - 四氢-9-羟基-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮(CMHTP),其用作制备帕培培酮的中间体。 本发明还提供了制备这些中间体和制备利培酮的方法。

    Process for the synthesis of CMHTP and intermediates thereof
    34.
    发明申请
    Process for the synthesis of CMHTP and intermediates thereof 审中-公开
    合成CMHTP的方法及其中间体

    公开(公告)号:US20080214809A1

    公开(公告)日:2008-09-04

    申请号:US12072829

    申请日:2008-02-27

    IPC分类号: C07D239/00

    CPC分类号: C07D471/04 C07D213/73

    摘要: The present invention provides processes of preparing 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one (CMHTP) useful as intermediates for the preparation of paliperidone, wherein the processes use 3-(2-chloroethyl)-2-methyl-9-benzyloxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMBP) and/or 3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidine-4-one (CMHP) having phosphorus at least partially removed as the intermediate.

    摘要翻译: 本发明提供制备3-(2-氯乙基)-6,7,8,9-四氢-9-羟基-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮( CMHTP),其用作制备利培酮的中间体,其中该方法使用3-(2-氯乙基)-2-甲基-9-苄氧基-4H-吡啶并[1,2-a]嘧啶-4-酮(CMBP)和 /或3-(2-氯乙基)-2-甲基-9-羟基-4H-吡啶并[1,2-a]嘧啶-4-酮(CMHP)作为中间体至少部分去除。

    Process for preparation of mixtures of polypeptides using purified hydrobromic acid
    39.
    发明申请
    Process for preparation of mixtures of polypeptides using purified hydrobromic acid 审中-公开
    使用纯化氢溴酸制备多肽混合物的方法

    公开(公告)号:US20070021324A1

    公开(公告)日:2007-01-25

    申请号:US11529668

    申请日:2006-09-27

    申请人: Ben-Zion Dolitzky

    发明人: Ben-Zion Dolitzky

    IPC分类号: A61K38/16 C07K14/47

    摘要: The subject invention provides an improved process for obtaining a mixture of polypeptides having nonuniform amino acid sequences, where each polypeptide consists essentially of alanine, glutamic acid, tyrosine and lysine where the resulting mixture of polypeptides comprises less than 0.3% brominated tyrosine and less than 1000 ppm metal ion impurities.

    摘要翻译: 本发明提供了用于获得具有不均匀氨基酸序列的多肽的混合物的改进方法,其中每个多肽基本上由丙氨酸,谷氨酸,酪氨酸和赖氨酸组成,其中所得多肽的混合物包含小于0.3%的溴化酪氨酸并且小于1000 ppm金属离子杂质。