Processes for the preparation of (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe
    1.
    发明申请
    Processes for the preparation of (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe 审中-公开
    制备(3R,4S)-4 - ((4-苄氧基)苯基)-1-(4-氟苯基)-3 - ((S)-3-(4-氟苯基)-3-羟丙基) - 2-氮杂环丁酮,合成依泽替米贝的中间体

    公开(公告)号:US20100010212A1

    公开(公告)日:2010-01-14

    申请号:US12583305

    申请日:2009-08-17

    IPC分类号: C07D205/08 A61K31/397

    CPC分类号: C07D205/08 Y02P20/55

    摘要: The invention encompasses (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-(3-(4-fluorophenyl)-3-oxopropyl)-2-azetidinone (Compound 2a) having an enantiomeric purity of at least about 97.5%. The invention also encompasses Compound 2a having a chemical purity of at least about 97%. The invention further encompasses processes for preparing Compound 2a from Compound 1 having the following formula: The invention also encompasses processes for preparing a compound having the following formula: from a compound having the following formula: wherein R is selected from the group consisting of: H or a hydroxyl protecting group. The invention also encompasses processes for preparing Compound 2a, preferably to form Compound 2a-Form 01. Also included are processes for preparing ezetimibe from Compound 2a-Form 01 or Compound 2a prepared according to the invention, compositions containing such ezetimibe, and methods for reducing cholesterol using such compositions

    摘要翻译: 本发明包括(3R,4S)-4 - ((4-苄氧基)苯基)-1-(4-氟苯基)-3-(3-(4-氟苯基)-3-氧代丙基)-2-氮杂环丁酮(化合物2a )具有至少约97.5%的对映体纯度。 本发明还包括具有至少约97%的化学纯度的化合物2a。 本发明还包括从具有下式的化合物1制备化合物2a的方法:本发明还包括由具有下式的化合物制备具有下式的化合物的方法:其中R选自:H 或羟基保护基。 本发明还包括制备化合物2a,优选形成化合物2a-形式01的方法。还包括用于制备根据本发明制备的化合物2a-形式01或化合物2a的依泽替米贝的方法,含有这种依泽替米贝的组合物,以及还原方法 使用这种组合物的胆固醇

    Processes for the preparation of (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe
    2.
    发明申请
    Processes for the preparation of (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe 审中-公开
    制备(3R,4S)-4 - ((4-苄氧基)苯基)-1-(4-氟苯基)-3 - ((S)-3-(4-氟苯基)-3-羟丙基) - 2-氮杂环丁酮,合成依泽替米贝的中间体

    公开(公告)号:US20070259845A1

    公开(公告)日:2007-11-08

    申请号:US11517704

    申请日:2006-09-08

    CPC分类号: C07D205/08 Y02P20/55

    摘要: The invention encompasses (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-(3-(4-fluorophenyl)-3-oxopropyl)-2-azetidinone (Compound 2a) having an enantiomeric purity of at least about 97.5%. The invention also encompasses Compound 2a having a chemical purity of at least about 97%. The invention further encompasses processes for preparing Compound 2a from Compound 1 having the following formula: The invention also encompasses processes for preparing a compound having the following formula: from a compound having the following formula: wherein R is selected from the group consisting of: H or a hydroxyl protecting group. The invention also encompasses processes for preparing Compound 2a, preferably to form Compound 2a-Form 01. Also included are processes for preparing ezetimibe from Compound 2a-Form 01 or Compound 2a prepared according to the invention, compositions containing such ezetimibe, and methods for reducing cholesterol using such compositions.

    摘要翻译: 本发明包括(3R,4S)-4 - ((4-苄氧基)苯基)-1-(4-氟苯基)-3-(3-(4-氟苯基)-3-氧代丙基)-2-氮杂环丁酮(化合物2a )具有至少约97.5%的对映体纯度。 本发明还包括具有至少约97%的化学纯度的化合物2a。 本发明还包括从具有下式的化合物1制备化合物2a的方法:本发明还包括由具有下式的化合物制备具有下式的化合物的方法:其中R选自:H 或羟基保护基。 本发明还包括制备化合物2a,优选形成化合物2a-形式01的方法。还包括用于制备根据本发明制备的化合物2a-形式01或化合物2a的依泽替米贝的方法,含有这种依泽替米贝的组合物,以及还原方法 使用这种组合物的胆固醇。