Salts of DPP-IV inhibitor
    31.
    发明授权
    Salts of DPP-IV inhibitor 有权
    DPP-IV抑制剂的盐

    公开(公告)号:US09108972B2

    公开(公告)日:2015-08-18

    申请号:US14002541

    申请日:2012-03-02

    IPC分类号: C07D487/04

    CPC分类号: C07D487/04

    摘要: The present invention discloses new salts of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine i.e. gentisate, adipate and trifluoro acetic acid salts. The invention also describes the new. crystalline and amorphous forms of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine gentisate. The present invention also discloses novel crystalline salt form of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine hydrochloride and novel crystalline and amorphous salt forms of besylate and process for their preparation and isolation.

    摘要翻译: 本发明公开了(2R)-4-氧代-4- [3-(三氟甲基)-5,6-二氢[1,2,4] - 三唑并[4,3-a]吡嗪-7(8H ) - 基] -1-(2,4,5-三氟苯基)丁-2-胺,即龙胆酸,己二酸酯和三氟乙酸盐。 本发明还描述了新的。 (2R)-4-氧代-4- [3-(三氟甲基)-5,6-二氢[1,2,4] - 三唑并[4,3-a]吡嗪-7(8H) - 的结晶和无定形形式 吡啶-2-基] -1-(2,4,5-三氟苯基)丁-2-胺龙胆酸盐。 本发明还公开了(2R)-4-氧代-4- [3-(三氟甲基)-5,6-二氢[1,2,4]三唑并[4,3-a] 7(8H) - 基] -1-(2,4,5-三氟苯基)丁-2-胺盐酸盐和新型的结晶和无定形盐形式的苯磺酸盐及其制备和分离方法。

    PROCESS FOR PREPARING AN INTERMEDIATE OF SITAGLIPTIN VIA ENZYMATIC CONVERSION
    33.
    发明申请
    PROCESS FOR PREPARING AN INTERMEDIATE OF SITAGLIPTIN VIA ENZYMATIC CONVERSION 审中-公开
    通过酶转化制备西他汀的中间体的方法

    公开(公告)号:US20130289276A1

    公开(公告)日:2013-10-31

    申请号:US13823300

    申请日:2011-10-10

    IPC分类号: C07D487/04

    摘要: The invention provides a process for preparing 3-hydroxy-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one (Formula I), into its racemic (R/S) form or any of its optically active (S) or (R) forms or enantiomeric excess mixture of any of the forms comprising: a) reacting 4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one of formula (III) with a suitable oxidoreductase enzymes or its suitable variants in the presence of suitable conditions and co-factor; and b) isolating 3-hydroxy-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one, into its racemic (R/S) form or any of its optically active (S) or (R) forms or enantiomeric excess mixture of any of the forms.

    摘要翻译: 本发明提供了制备3-羟基-1-(3-(三氟甲基)-5,6-二氢 - [1,2,4]三唑并[4,3-a]吡嗪-7(8H) - 基) -4-(2,4,5-三氟苯基)丁-1-酮(式I)转化成其外消旋(R / S)形式或其任何光学活性(S)或(R)形式或对映体过量混合物 任何形式包括:a)使4-氧代-4- [3-(三氟甲基)-5,6-二氢[1,2,4]三唑并[4,3-a]吡嗪-7(8H) - 基 ] - (2,4,5-三氟苯基)丁-2-酮与合适的氧化还原酶或其合适的变体在合适的条件和辅因子存在下反应; 和b)分离3-羟基-1-(3-(三氟甲基)-5,6-二氢 - [1,2,4]三唑并[4,3-a]吡嗪-7(8H) - 基)-4- (2,4,5-三氟苯基)丁-1-酮转化为其外消旋(R / S)形式或其任何形式的任何光学活性(S)或(R)形式或对映体过量混合物。

    PROCESS FOR THE PREPARATION OF AMBRISENTAN AND NOVEL INTERMEDIATES THEREOF
    34.
    发明申请
    PROCESS FOR THE PREPARATION OF AMBRISENTAN AND NOVEL INTERMEDIATES THEREOF 有权
    制定本公司及其中介人的过程

    公开(公告)号:US20120184573A1

    公开(公告)日:2012-07-19

    申请号:US13382988

    申请日:2010-07-12

    CPC分类号: C07D239/34

    摘要: The invention relates to improved processes for the preparation of ambrisentan. The invention also relates to a novel intermediate useful in the preparation of ambrisentan and a process for the preparation of the intermediate. The invention also relates to new polymorphic form of ambrisentan. In particular, it relates to a polymorphic form, designated as Form I of ambrisentan and a process for the preparation of the Form I.

    摘要翻译: 本发明涉及制备安立生坦的改进方法。 本发明还涉及可用于制备安立生坦的新型中间体及其制备方法。 本发明还涉及新的多晶型形式的安立生坦。 特别地,它涉及一种称为安立生坦形式I的多晶型物,以及形式I的制备方法。