Tetrahydrofuro[3,2-b] pyrrol-3-one intermediates
    1.
    发明申请
    Tetrahydrofuro[3,2-b] pyrrol-3-one intermediates 有权
    四氢呋喃并[3,2-b]吡咯-3-酮中间体

    公开(公告)号:US20090192322A1

    公开(公告)日:2009-07-30

    申请号:US12319562

    申请日:2009-01-08

    IPC分类号: C07D491/048 C07D307/28

    摘要: The present invention relates to a process for preparing a compound of formula (Ia), (Ib), (Ic) or (Id), or a pharmaceutically acceptable salt, hydrate, solvate, complex or prodrug thereof, said process comprising the steps of: (A) (i) treating a compound of formula (IVa), where R48 is alkyl or tosyl, with an oxidising agent to form a compound of formula (Va); and (ii) converting said compound of formula (Va) to a compound of formula (Ia) or (Ic); or (B) (i) treating a compound of formula (IVb), where R48 is alkyl or tosyl, with an oxidising agent to form a compound of formula (Vb); and (ii) converting said compound of formula (Vb) to a compound of formula (Ib) or (Id).

    摘要翻译: 本发明涉及制备式(Ia),(Ib),(Ic)或(Id)化合物或其药学上可接受的盐,水合物,溶剂化物,复合物或前药的方法,所述方法包括以下步骤: (A)(i)(i)用氧化剂处理其中R48为烷基或甲苯磺酰基的式(Ⅳa)化合物,形成式(Ⅴa)化合物; 和(ii)将所述式(Va)化合物转化为式(Ia)或(Ic)化合物; 或(B)(i)用氧化剂处理其中R48为烷基或甲苯磺酰基的式(Ⅳb)化合物以形成式(Ⅴb)化合物; 和(ii)将式(Vb)化合物转化为式(Ib)或(Id)化合物。

    Tetrahydrofuro[3,2-b] pyrrol-3-one intermediates
    2.
    发明授权
    Tetrahydrofuro[3,2-b] pyrrol-3-one intermediates 有权
    四氢呋喃并[3,2-b]吡咯-3-酮中间体

    公开(公告)号:US08039641B2

    公开(公告)日:2011-10-18

    申请号:US12319562

    申请日:2009-01-08

    IPC分类号: C07D491/02

    摘要: The present invention relates to a process for preparing a compound of formula (Ia), (Ib), (Ic) or (Id), or a pharmaceutically acceptable salt, hydrate, solvate, complex or prodrug thereof, said process comprising the steps of: (A) (i) treating a compound of formula (IVa), where R48 is alkyl or tosyl, with an oxidizing agent to form a compound of formula (Va); and (ii) converting said compound of formula (Va) to a compound of formula (Ia) or (Ic); or (B) (i) treating a compound of formula (IVb), where R48 is alkyl or tosyl, with an oxidizing agent to form a compound of formula (Vb); and (ii) converting said compound of formula (Vb) to a compound of formula (Ib) or (Id).

    摘要翻译: 本发明涉及制备式(Ia),(Ib),(Ic)或(Id)化合物或其药学上可接受的盐,水合物,溶剂化物,复合物或前药的方法,所述方法包括以下步骤: (A)(i)(i)用氧化剂处理其中R48为烷基或甲苯磺酰基的式(Ⅳa)化合物以形成式(Ⅴa)化合物; 和(ii)将所述式(Va)化合物转化为式(Ia)或(Ic)化合物; 或(B)(i)用氧化剂处理其中R48为烷基或甲苯磺酰基的式(Ⅳb)化合物以形成式(Ⅴb)化合物; 和(ii)将式(Vb)化合物转化为式(Ib)或(Id)化合物。