Processes for solifenacin preparation
    2.
    发明申请
    Processes for solifenacin preparation 审中-公开
    索非那新制备方法

    公开(公告)号:US20090099365A1

    公开(公告)日:2009-04-16

    申请号:US12218401

    申请日:2008-07-14

    CPC classification number: C07D453/02

    Abstract: Processes for preparing solifenacin comprising distilling ethanol and organic solvent from a reaction mixture and recycling the organic solvent are described. Also described are processes for reducing solifenacin diastereomeric and enantiomeric impurities.

    Abstract translation: 描述了制备索非那新的方法,其包括从反应混合物中蒸馏出乙醇和有机溶剂并回收有机溶剂。 还描述了降低索非那新非对映体和对映异构体杂质的方法。

    CRYSTALLINE FORMS OF SITAGLIPTIN PHOSPHATE
    7.
    发明申请
    CRYSTALLINE FORMS OF SITAGLIPTIN PHOSPHATE 审中-公开
    磷酸西他汀的结晶形式

    公开(公告)号:US20100041885A1

    公开(公告)日:2010-02-18

    申请号:US12410738

    申请日:2009-03-25

    CPC classification number: C07D487/04

    Abstract: A Sitagliptin phosphate characterized by data selected from the group consisting of: a powder XRD pattern with peaks at 4.7, 13.5, 17.7, 18.3, and 23.7±0.2 degrees two theta; a powder XRD pattern with peaks at about 4.7, 13.5, and 15.5±0.2 degrees two theta and at least another two peaks selected from the following list: 14.0, 14.4, 18.3, 19.2, 19.5 and 23.7±0.2 degrees two theta; and a powder XRD pattern with peaks at about 13.5, 19.2, and 19.5±0.2 degrees two theta and at least another two peaks selected from the following list: 4.7, 14.0, 15.1, 15.5, 18.3, and 18.7±0.2 degrees two theta; a powder XRD pattern with peaks at about 13.5, 15.5, 19.2, 23.7, and 24.4±0.2 degrees two theta; and a powder XRD pattern with peaks at about 4.65, 13.46, 17.63, 18.30, and 23.66±0.10 degrees two theta, processes for preparing said Sitagliptin crystalline form, and pharmaceutical compositions thereof, are provided.

    Abstract translation: 磷酸西他列汀,其特征在于选自以下的数据:粉末XRD图谱,其峰为4.7,13.5,17.7,18.3和23.7±0.2度2θ; 在约4.7,13.5和15.5±0.2度2θ处具有峰的粉末XRD图案和至少另外两个选自以下列表的峰:14.0,14.4,18.3,19.2,19.5和23.7±0.2度2θ; 和具有在约13.5,19.2和19.5±0.2度2θ处以及从下列列表中选择的至少另外两个峰的峰的粉末XRD图:4.7,14.0,15.1,15.5,18.3和18.7±0.2度2θ; 在约13.5,15.5,19.2,23.7和24.4±0.2度2θ处具有峰的粉末XRD图案; 并且提供了在约4.65,13.46,17.63,18.30和23.66±0.10度2θ处具有峰的粉末XRD图案,制备所述西格列汀结晶形式的方法及其药物组合物。

    Process for preparing telmisartan
    8.
    发明授权
    Process for preparing telmisartan 失效
    替米沙坦制备方法

    公开(公告)号:US07501448B2

    公开(公告)日:2009-03-10

    申请号:US11250267

    申请日:2005-10-13

    CPC classification number: C07D235/14 C07D235/18

    Abstract: Provided are processes for preparing telmisartan alkyl ester and telmisartan using environmentally friendly organic solvents that are easily removed from the reaction mixture, wherein a telmisartan alkyl ester is isolated and hydrolyzed to form telmisartan or the telmisartan is prepared using a synthesis in a single reaction vessel.

    Abstract translation: 提供了使用易于从反应混合物中除去的环境友好的有机溶剂来制备替米沙坦烷基酯和替米沙坦的方法,其中分离并水解替米沙坦烷基酯以形成替米沙坦,或者在单个反应容器中使用合成制备替米沙坦。

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