Process for producing N-monoalkyl-3-hydroxy-3-(2-thienyl) propanamine and intermediate
    1.
    发明授权
    Process for producing N-monoalkyl-3-hydroxy-3-(2-thienyl) propanamine and intermediate 有权
    制备N-单烷基-3-羟基-3-(2-噻吩基)丙胺和中间体的方法

    公开(公告)号:US07759501B2

    公开(公告)日:2010-07-20

    申请号:US10523287

    申请日:2003-07-15

    IPC分类号: C07D333/20 C07D333/22

    CPC分类号: C07D333/22 C07D333/20

    摘要: The present invention provides a process for producing an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine represented by General Formula (2): wherein R is C1-4 alkyl, comprising the step of reducing (Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by General Formula (1): wherein R is as defined above. According to the present invention, an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine which is for use as an intermediate for various pharmaceuticals can be produced in an industrially inexpensive and easy manner.

    摘要翻译: 本发明提供了制备由通式(2)表示的N-单烷基-3-羟基-3-(2-噻吩基)丙胺的方法:其中R是C 1-4烷基,包括还原(Z) - 由通式(1)表示的N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺:其中R如上所定义。 根据本发明,用作各种药物的中间体的N-单烷基-3-羟基-3-(2-噻吩基)丙胺可以以工业上便宜且容易的方式制备。

    (E)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine and Process for Producing the Same and Process for Producing (E,Z)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine
    2.
    发明申请
    (E)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine and Process for Producing the Same and Process for Producing (E,Z)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine 有权
    (E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺及其制备方法及其制备方法(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基 )丙胺

    公开(公告)号:US20090137823A1

    公开(公告)日:2009-05-28

    申请号:US11989100

    申请日:2006-08-01

    IPC分类号: C07D333/22

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); wherein R is a C1-4 alkyl, the method comprising the steps of: maintaining a solution containing (Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine dissolved therein at 25° C. or below to deposit crystals and separating crystals having a particle diameter of 100 μm or less from the deposited crystals; and a process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine comprising the steps of: reacting an alkali metal salt of β-oxo-β-(2-thienyl)propanal with a monoalkylamine compound; adding a water-insoluble organic solvent to the resulting reaction mixture; adding seed crystals containing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine to an organic layer obtained by conducting separation; and keeping the resulting mixture at 25° C. or below.

    摘要翻译: 本发明提供由式(1)表示的(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法。 其中R是C 1-4烷基,所述方法包括以下步骤:在25℃以下溶解含有(Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的溶液, 从沉积的晶体中沉积晶体并分离出粒径为100μm以下的晶体; 和(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙胺的制备方法,包括以下步骤:使β-氧代-β-(2-噻吩基)丙醛的碱金属盐 与单烷基胺化合物; 向所得反应混合物中加入水不溶性有机溶剂; 将含有(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的晶种加入到通过分离获得的有机层中; 并将所得混合物保持在25℃或更低。

    (E)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine
    3.
    发明授权
    (E)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine 有权
    (E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺及其制备方法和制备(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基) )丙胺

    公开(公告)号:US08183392B2

    公开(公告)日:2012-05-22

    申请号:US11989100

    申请日:2006-08-01

    IPC分类号: C07D333/22

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); wherein R is a C1-4 alkyl, the method comprising the steps of: maintaining a solution containing (Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine dissolved therein at 25° C. or below to deposit crystals and separating crystals having a particle diameter of 100 μm or less from the deposited crystals; and a process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine comprising the steps of: reacting an alkali metal salt of β-oxo-β-(2-thienyl)propanal with a monoalkylamine compound; adding a water-insoluble organic solvent to the resulting reaction mixture; adding seed crystals containing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine to an organic layer obtained by conducting separation; and keeping the resulting mixture at 25° C. or below.

    摘要翻译: 本发明提供由式(1)表示的(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法。 其中R是C 1-4烷基,所述方法包括以下步骤:在25℃以下溶解含有(Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的溶液, 从沉积的晶体沉积晶体并分离出粒径为100μm以下的晶体; 和(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法,包括以下步骤:使&bgr-氧代 - (2-噻吩基) )丙醛与单烷基胺化合物; 向所得反应混合物中加入水不溶性有机溶剂; 将含有(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的晶种加入到通过分离获得的有机层中; 并将所得混合物保持在25℃或更低。

    Process for producing 2-acylthiophene compound
    4.
    发明授权
    Process for producing 2-acylthiophene compound 失效
    2-酰基噻吩化合物的制备方法

    公开(公告)号:US07659411B2

    公开(公告)日:2010-02-09

    申请号:US10579734

    申请日:2004-12-13

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing a 2-acylthiophene compound which has a low content of the 3-isomer generated as a by-product, the process comprising reacting a thiophene compound represented by formula (1): wherein R1is a hydrogen atom, a C1-6 alkyl group, a phenyl group, or a halogen atom, with at least one member selected from the group consisting of acid anhydrides represented by formula (2): wherein R2 is a C1-6 alkyl group or a phenyl group, and acid halides represented by formula (3): wherein R2 is as defined above and X is a halogen atom, in the presence of a solid acid catalyst at a temperature less than 75° C. in the absence of solvent, thus producing a 2-acylthiophene compound represented by formula (4): wherein R1 and R2 are as defined above.

    摘要翻译: 本发明提供一种生产副产物3-异构体含量低的2-酰基噻吩化合物的方法,该方法包括使由式(1)表示的噻吩化合物:其中R 1为氢原子, C 1-6烷基,苯基或卤素原子,与选自由式(2)表示的酸酐中的至少一种:其中R2是C1-6烷基或苯基, 和式(3)表示的酰基卤:其中R 2如上所定义,X为卤素原子,在不存在溶剂的情况下,在固体酸催化剂存在下,在低于75℃的温度下,产生2 (4)表示的α-酰基噻吩化合物:其中R1和R2如上定义。

    Process for producing 2-acylthiophene compound
    5.
    发明申请
    Process for producing 2-acylthiophene compound 失效
    2-酰基噻吩化合物的制备方法

    公开(公告)号:US20070149787A1

    公开(公告)日:2007-06-28

    申请号:US10579734

    申请日:2004-12-13

    IPC分类号: C07D333/22

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing a 2-acylthiophene compound which has a low content of the 3-isomer generated as a by-product, the process comprising reacting a thiophene compound represented by formula (1): wherein R1is a hydrogen atom, a C1-6 alkyl group, a phenyl group, or a halogen atom, with at least one member selected from the group consisting of acid anhydrides represented by formula (2): wherein R2 is a C1-6 alkyl group or a phenyl group, and acid halides represented by formula (3): wherein R2 is as defined above and X is a halogen atom, in the presence of a solid acid catalyst at a temperature less than 75° C. in the absence of solvent, thus producing a 2-acylthiophene compound represented by formula (4): wherein R1 and R2 are as defined above.

    摘要翻译: 本发明提供一种生产副产物3-异构体含量低的2-酰基噻吩化合物的方法,该方法包括使由式(1)表示的噻吩化合物:其中R 1 与氢原子,C 1-6烷基,苯基或卤原子具有至少一个选自酸式酸酐(式 2):其中R 2是C 1-6烷基或苯基,和由式(3)表示的酰基卤:其中R 2, / SUP>如上所定义,X是卤素原子,在不存在溶剂的情况下,在固体酸催化剂存在下,在低于75℃的温度下,由式(4)表示的2-酰基噻吩化合物, :其中R 1和R 2如上所定义。

    (E)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE AND PROCESS FOR PRODUCING THE SAME AND PROCESS FOR PRODUCING (E,Z)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE
    6.
    发明申请
    (E)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE AND PROCESS FOR PRODUCING THE SAME AND PROCESS FOR PRODUCING (E,Z)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE 有权
    (E)-N-单甲基-3-氧代-3-(2-噻吩基)丙炔及其制备方法和(E,Z)-N-单甲基-3-氧代-3-(2-噻吩基) )PROPENAMINE

    公开(公告)号:US20120149917A1

    公开(公告)日:2012-06-14

    申请号:US13396972

    申请日:2012-02-15

    IPC分类号: C07D333/22

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); wherein R is a C1-4 alkyl, the method comprising the steps of: maintaining a solution containing (Z)—N-monoalkyl-3-oxo-3-(2-thienyl)propenamine dissolved therein at 25° C. or below to deposit crystals and separating crystals having a particle diameter of 100 μm or less from the deposited crystals; and a process for producing (E,Z)—N-monoalkyl-3-oxo-3-(2-thienyl)propenamine comprising the steps of: reacting an alkali metal salt of β-oxo-β-(2-thienyl)propanal with a monoalkylamine compound; adding a water-insoluble organic solvent to the resulting reaction mixture; adding seed crystals containing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine to an organic layer obtained by conducting separation; and keeping the resulting mixture at 25° C. or below.

    摘要翻译: 本发明提供由式(1)表示的(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法。 其中R是C 1-4烷基,所述方法包括以下步骤:在25℃以下溶解含有(Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的溶液, 从沉积的晶体沉积晶体并分离出粒径为100μm以下的晶体; 和(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法,包括以下步骤:使&bgr-氧代 - (2-噻吩基) )丙醛与单烷基胺化合物; 向所得反应混合物中加入水不溶性有机溶剂; 将含有(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的晶种加入到通过分离获得的有机层中; 并将所得混合物保持在25℃或更低。

    (E)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine
    7.
    发明授权
    (E)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine 有权
    (E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺及其制备方法和制备(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基) )丙胺

    公开(公告)号:US08722906B2

    公开(公告)日:2014-05-13

    申请号:US13396972

    申请日:2012-02-15

    IPC分类号: C07D333/22

    CPC分类号: C07D333/22

    摘要: The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); wherein R is a C1-4 alkyl, the method comprising the steps of: maintaining a solution containing (Z)—N-monoalkyl-3-oxo-3-(2-thienyl)propenamine dissolved therein at 25° C. or below to deposit crystals and separating crystals having a particle diameter of 100 μm or less from the deposited crystals; and a process for producing (E,Z)—N-monoalkyl-3-oxo-3-(2-thienyl)propenamine comprising the steps of: reacting an alkali metal salt of β-oxo-β-(2-thienyl)propanal with a monoalkylamine compound; adding a water-insoluble organic solvent to the resulting reaction mixture; adding seed crystals containing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine to an organic layer obtained by conducting separation; and keeping the resulting mixture at 25° C. or below.

    摘要翻译: 本发明提供由式(1)表示的(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法。 其中R是C 1-4烷基,所述方法包括以下步骤:在25℃以下溶解含有(Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的溶液, 从沉积的晶体沉积晶体并分离出粒径为100μm以下的晶体; 和(E,Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的制备方法,包括以下步骤:使&bgr-氧代 - (2-噻吩基) )丙醛与单烷基胺化合物; 向所得反应混合物中加入水不溶性有机溶剂; 将含有(E)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的晶种加入到通过分离获得的有机层中; 并将所得混合物保持在25℃或更低。

    Process for producing n-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine and intermediate
    8.
    发明申请
    Process for producing n-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine and intermediate 有权
    制备正 - 单烷基-3-羟基-3-(2-噻吩基)丙胺和中间体的方法

    公开(公告)号:US20050240030A1

    公开(公告)日:2005-10-27

    申请号:US10523287

    申请日:2003-07-15

    IPC分类号: C07D333/20 C07D333/22

    CPC分类号: C07D333/22 C07D333/20

    摘要: The present invention provides a process for producing an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine represented by General Formula (2): wherein R is C1-4 alkyl, comprising the step of reducing (Z)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by General Formula (1): wherein R is as defined above. According to the present invention, an N-monoalkyl-3-hydroxy-3-(2-thienyl)propanamine which is for use as an intermediate for various pharmaceuticals can be produced in an industrially inexpensive and easy manner.

    摘要翻译: 本发明提供一种制备由通式(2)表示的N-单烷基-3-羟基-3-(2-噻吩基)丙胺的方法:其中R是C 1-4烷基,包括 由通式(1)表示的还原(Z)-N-单烷基-3-氧代-3-(2-噻吩基)丙烯胺的步骤:其中R如上所定义。 根据本发明,用作各种药物的中间体的N-单烷基-3-羟基-3-(2-噻吩基)丙胺可以以工业上便宜且容易的方式制备。