Process for preparation of phenethylamine derivatives
    1.
    发明申请
    Process for preparation of phenethylamine derivatives 失效
    苯乙胺衍生物的制备方法

    公开(公告)号:US20070149813A1

    公开(公告)日:2007-06-28

    申请号:US11708283

    申请日:2007-02-20

    IPC分类号: C07C209/48

    摘要: A process for the preparation of a compound of formula I, wherein R1 and R2 are ortho or para substituents, independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkyl, C1-C6 alkoxy, C7-C9 aralkoxy, C2-C7 alkanoyloxy, C1-C6 alkylmercapto, halo and trifluoromethyl; R3 is hydrogen or C1-C6 alkyl; R4 is hydrogen, C1-C6 alkyl, formyl or C2-C7 alkanoyl; n is one of the integers 0, 1, 2, 3 or 4; and the dotted line represents optional olefinic unsaturation; comprising hydrogenating a compound of formula III, in the presence of a nickel or cobalt catalyst at a temperature of about 5° C. to 25° C.

    摘要翻译: 制备式I化合物的方法,其中R 1和R 2是邻或对位取代基,其独立地选自氢,羟基,C C 1 -C 6烷基,C 1 -C 6烷氧基,C 1 -C 6烷基,C 1 -C 6烷基,C 1 -C 6烷基, -C 9芳烷氧基,C 2 -C 7烷酰氧基,C 1 -C 6烷基, 烷基巯基,卤代和三氟甲基; R 3是氢或C 1 -C 6烷基; R 3是氢或C 1 -C 6烷基; R 4是氢,C 1 -C 6烷基,甲酰基或C 2 -C 7 烷酰基; n是整数0,1,2,3或4之一; 并且虚线表示任选的烯属不饱和键; 包括在约5℃至25℃的温度下,在镍或钴催化剂的存在下氢化式III的化合物。

    Process for preparation of phenethylamine derivatives
    2.
    发明授权
    Process for preparation of phenethylamine derivatives 失效
    苯乙胺衍生物的制备方法

    公开(公告)号:US07179944B2

    公开(公告)日:2007-02-20

    申请号:US10797705

    申请日:2004-03-09

    IPC分类号: C07C209/48

    摘要: A process for the preparation of a compound of formula I, wherein R1 and R2 are ortho or para substituents, independently selected from the group consisting of hydrogen, hydroxyl, C1–C6 alkyl, C1–C6 alkoxy, C7–C9 aralkoxy, C2–C7 alkanoyloxy, C1–C6 alkylmercapto, halo and trifuoromethyl; R3 is hydrogen or C1–C6 alkyl 1, 2, 3 or 4; and the dotted line represents optional olefinic unsaturation; comprising hydrogenating a compound of formula III, in the presence of a nickel or cobalt catalyst at a temperature of about 5° C. to 25° C.

    摘要翻译: 制备式I化合物的方法,其中R 1和R 2是邻或对位取代基,其独立地选自氢,羟基,C C 1 -C 6烷基,C 1 -C 6烷氧基,C 1 -C 6烷基,C 1 -C 6烷基,C 1 -C 6烷基, -C 9芳烷氧基,C 2 -C 7烷酰氧基,C 1 -C 6烷基, 烷基巯基,卤代和三氟甲基; R 3是氢或C 1 -C 6烷基1,2,3或4; R 3是氢或C 1 -C 6烷基。 并且虚线表示任选的烯属不饱和键; 包括在约5℃至25℃的温度下,在镍或钴催化剂的存在下氢化式III的化合物。

    Process for preparation of phenethylamine derivatives
    3.
    发明授权
    Process for preparation of phenethylamine derivatives 失效
    苯乙胺衍生物的制备方法

    公开(公告)号:US07563931B2

    公开(公告)日:2009-07-21

    申请号:US11708283

    申请日:2007-02-20

    IPC分类号: C07C209/48

    摘要: A process for the preparation of a compound of formula I, wherein R1 and R2 are ortho or para substituents, independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkyl, C1-C6 alkoxy, C7-C9 aralkoxy, C2-C7 alkanoyloxy, C1-C6 alkylmercapto, halo and trifluoromethyl; R3 is hydrogen or C1-C6 alkyl; R4 is hydrogen, C1-C6 alkyl, formyl or C2-C7 alkanoyl; n is one of the integers 0, 1, 2, 3 or 4; and the dotted line represents optional olefinic unsaturation; comprising hydrogenating a compound of formula III, in the presence of a nickel or cobalt catalyst at a temperature of about 5° C. to 25° C.

    摘要翻译: 一种制备式I化合物的方法,其中R 1和R 2是独立地选自氢,羟基,C 1 -C 6烷基,C 1 -C 6烷氧基,C 7 -C 9芳烷氧基,C 2 -C 6烷氧基, C7烷酰氧基,C1-C6烷基巯基,卤素和三氟甲基; R3是氢或C1-C6烷基; R4是氢,C1-C6烷基,甲酰基或C2-C7烷酰基; n是整数0,1,2,3或4之一; 并且虚线表示任选的烯属不饱和键; 包括在约5℃至25℃的温度下,在镍或钴催化剂的存在下氢化式III的化合物。