METHOD FOR SYNTHESIZING PIRFENIDONE
    5.
    发明申请
    METHOD FOR SYNTHESIZING PIRFENIDONE 审中-公开
    合成菲尼酮的方法

    公开(公告)号:US20150065720A1

    公开(公告)日:2015-03-05

    申请号:US14538426

    申请日:2014-11-11

    CPC classification number: C07D213/64 A61K31/4412

    Abstract: A process for synthesizing pirfenidone from bromobenzene having less than about 0.15% by weight dibromobenze is disclosed. Also disclosed are processes of synthesizing pirfenidone without using ethyl acetate or n-butanol, and pirfenidone having controlled levels of ethyl acetate, n-butanol, di(5-methyl-2-pyridinone)benzenes, and other impurities having specified retention times. Also disclosed are formulated dosage forms including the disclosed pirfenidone.

    Abstract translation: 公开了一种从小于约0.15%(重量)二溴苯的溴苯合成吡非尼酮的方法。 还公开了在不使用乙酸乙酯或正丁醇的情况下合成吡非尼酮的方法,以及具有受控含量的乙酸乙酯,正丁醇,二(5-甲基-2-吡啶酮)苯和具有特定保留时间的其它杂质的吡非尼酮。 还公开了包括所公开的吡非尼酮的配制剂型。

    METHOD FOR SYNTHESIZING PIRFENIDONE
    6.
    发明申请

    公开(公告)号:US20150368200A1

    公开(公告)日:2015-12-24

    申请号:US14830999

    申请日:2015-08-20

    CPC classification number: C07D213/64 A61K31/4412

    Abstract: A process for synthesizing pirfenidone from bromobenzene having less than about 0.15% by weight dibromobenze is disclosed. Also disclosed are processes of synthesizing pirfenidone without using ethyl acetate or n-butanol, and pirfenidone having controlled levels of ethyl acetate, n-butanol, di(5-methyl-2-pyridinone)benzenes, and other impurities having specified retention times. Also disclosed are formulated dosage forms including the disclosed pirfenidone.

    METHOD FOR SYNTHESIZING PIRFENIDONE
    7.
    发明申请
    METHOD FOR SYNTHESIZING PIRFENIDONE 审中-公开
    合成菲尼酮的方法

    公开(公告)号:US20140221660A1

    公开(公告)日:2014-08-07

    申请号:US14247357

    申请日:2014-04-08

    CPC classification number: C07D213/64 A61K31/4412

    Abstract: A process for synthesizing pirfenidone from bromobenzene having less than about 0.15% by weight dibromobenze is disclosed. Also disclosed are processes of synthesizing pirfenidone without using ethyl acetate or n-butanol, and pirfenidone having controlled levels of ethyl acetate, n-butanol, di(5-methyl-2-pyridinone)benzenes, and other impurities having specified retention times. Also disclosed are formulated dosage forms including the disclosed pirfenidone.

    Abstract translation: 公开了一种从小于约0.15%(重量)二溴苯的溴苯合成吡非尼酮的方法。 还公开了在不使用乙酸乙酯或正丁醇的情况下合成吡非尼酮的方法,以及具有受控含量的乙酸乙酯,正丁醇,二(5-甲基-2-吡啶酮)苯和具有特定保留时间的其它杂质的吡非尼酮。 还公开了包括所公开的吡非尼酮的配制剂型。

    Capsule formulation of pirfenidone and pharmaceutically acceptable excipients
    8.
    发明授权
    Capsule formulation of pirfenidone and pharmaceutically acceptable excipients 有权
    吡非尼酮和药学上可接受的赋形剂的胶囊制剂

    公开(公告)号:US08753679B2

    公开(公告)日:2014-06-17

    申请号:US13776079

    申请日:2013-02-25

    Abstract: A capsule formulation of pirfenidone is provided that includes pharmaceutically acceptable excipients. In one embodiment, this capsule formulation is capable of sustaining desirable pharmacokinetic responses in a patient. Further provided are methods of treating fibrotic conditions and other cytokine-mediated disorders by administering pirfenidone capsules of such formulation to a patient in need.

    Abstract translation: 提供吡非尼酮的胶囊制剂,其包括药学上可接受的赋形剂。 在一个实施方案中,该胶囊制剂能够在患者体内维持所需的药代动力学反应。 还提供了通过将这种制剂的吡非尼酮胶囊给予需要的患者来治疗纤维化病症和其它细胞因子介导的病症的方法。

    METHOD FOR SYNTHESIZING PIRFENIDONE
    10.
    发明申请

    公开(公告)号:US20130345430A1

    公开(公告)日:2013-12-26

    申请号:US13947643

    申请日:2013-07-22

    CPC classification number: C07D213/64 A61K31/4412

    Abstract: A process for synthesizing pirfenidone from bromobenzene having less than about 0.15% by weight dibromobenze is disclosed. Also disclosed are processes of synthesizing pirfenidone without using ethyl acetate or n-butanol, and pirfenidone having controlled levels of ethyl acetate, n-butanol, di(5-methyl-2-pyridinone)benzenes, and other impurities having specified retention times. Also disclosed are formulated dosage forms including the disclosed pirfenidone.

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