PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES
    5.
    发明申请
    PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES 审中-公开
    制备吡啶取代的氨基酮衍生物的方法

    公开(公告)号:WO2004072026A3

    公开(公告)日:2004-09-30

    申请号:PCT/EP2004000640

    申请日:2004-01-27

    CPC分类号: C07D213/53 C07D213/51

    摘要: The present invention relates to an efficient process for preparing derivatives of 1-(pyridinyl)-1, 1-dialkoxy-2-aminoethane of the formula (I), with which compounds of the formula (I) can be prepared in high purity and yield and in the form of the free base without isolating the acetylpyridine oxime of the formula (XI) which is a critical product from a safety point of view as a solid.

    摘要翻译: 本发明涉及一种制备式(I)的1-(吡啶基)-1,1-二烷氧基-2-氨基乙烷的衍生物的有效方法,式(I)化合物可以以高纯度制备, 产率和游离碱的形式,而无需从作为固体的安全角度分离作为关键产物的式(Ⅺ)的乙酰基吡啶肟。

    PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES
    6.
    发明申请
    PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES 审中-公开
    制备吡啶取代的氨基酮衍生物的方法

    公开(公告)号:WO2004072026B1

    公开(公告)日:2004-11-18

    申请号:PCT/EP2004000640

    申请日:2004-01-27

    CPC分类号: C07D213/53 C07D213/51

    摘要: The present invention relates to an efficient process for preparing derivatives of 1-(pyridinyl)-1, 1-dialkoxy-2-aminoethane of the formula (I), with which compounds of the formula (I) can be prepared in high purity and yield and in the form of the free base without isolating the acetylpyridine oxime of the formula (XI) which is a critical product from a safety point of view as a solid.

    摘要翻译: 本发明涉及用于制备式(I)的1-(吡啶基)-1,1-二烷氧基-2-氨基乙烷的衍生物的有效方法,式(I)的化合物可以以高纯度制备并且 产率和游离碱形式,而无需分离式(XI)的乙酰基吡啶肟,从安全的观点来看,它是一种重要产物,为固体。

    PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES
    7.
    发明申请
    PROCESS FOR PREPARING PYRIDINE-SUBSTITUTED AMINO KETAL DERIVATIVES 审中-公开
    制备吡啶取代的氨基酮衍生物的方法

    公开(公告)号:WO2004072026A2

    公开(公告)日:2004-08-26

    申请号:PCT/EP2004/000640

    申请日:2004-01-27

    IPC分类号: C07D

    CPC分类号: C07D213/53 C07D213/51

    摘要: The present invention relates to an efficient process for preparing derivatives of 1-(pyridinyl)-1, 1-dialkoxy-2-aminoethane of the formula (I), with which compounds of the formula (I) can be prepared in high purity and yield and in the form of the free base without isolating the acetylpyridine oxime of the formula (XI) which is a critical product from a safety point of view as a solid.

    摘要翻译: 本发明涉及用于制备式(I)的1-(吡啶基)-1,1-二烷氧基-2-氨基乙烷的衍生物的有效方法,通式(I)的化合物 )可以以高纯度和产率制备并且以游离碱的形式制备,无需分离式(XI)的乙酰基吡啶肟,从安全的观点来看,该化合物是固体的关键产物。

    PROCESS FOR THE PREPARATION OF ARYL-PIRIDYL COMPOUNDS
    9.
    发明申请
    PROCESS FOR THE PREPARATION OF ARYL-PIRIDYL COMPOUNDS 审中-公开
    制备芳基 - 吡啶化合物的方法

    公开(公告)号:WO2004037790A1

    公开(公告)日:2004-05-06

    申请号:PCT/IT2002/000625

    申请日:2002-10-02

    IPC分类号: C07D213/48

    CPC分类号: C07D213/51 C07D213/48

    摘要: A method is described for the preparation of aryl-pyridine compounds of formula (I) by cross-coupling reaction, promoted by catalytic systems based on palladium or nickel between compounds of formula (II) and (III) in which: - Met represents Mg or Zn, - Y represents C1, Br, I or acetoxy, - Z represents I, Br, Cl, triflate, sulphonate, phosphate, - R l , R 2 , R 3 , R 4 , which are the same as one another or different, represent hydrogen, a linear and/or branched C l -C 4 alkyl, and/or an aryl, and/or a heteroaryl, or R l and R 2 and/or R 3 and R 4 , taken together, form a C 3 -C 8 ring, an aryl and/or a heteroaryl, - A represents -COR 5 where R 5 represents hydrogen, a linear and/or branched C l -C 4 alkyl, and/or an aryl, and/or a heteroaryl, or - A represents -CR s5 (OR 6 )(OR 7 ) where R 5 has the meaning described above and R 6 and R 7 , which are the same as one another or different, represent a linear and/or branched C 1 -C 4 alkyl, and/or an aryl, and/or a heteroaryl, or R 6 and R 7 , joined together, represent a C 1 -C 8 alkyl or alkenyl.

    摘要翻译: 描述了通过交叉偶联反应制备式(I)的芳基 - 吡啶化合物的方法,由式(II)和(III)化合物之间的基于钯或镍的催化体系促进,其中:Met表示Mg 或Zn,-Y表示C1,Br,I或乙酰氧基,-Z表示I,Br,Cl,三氟甲磺酸酯,磺酸酯,磷酸酯,-R1,R2,R3,R4彼此相同或不同,表示氢 ,线性和/或支链C 1 -C 4烷基和/或芳基,和/或杂芳基,或R 1和R 2和/或R 3和R 4一起形成C 3 -C 8环,芳基和/或 杂芳基,-A表示-COR 5,其中R 5表示氢,直链和/或支链C 1 -C 4烷基和/或芳基,和/或杂芳基,或-A表示-CR s(OR 6)(OR 7),其中R 5具有 上述含义和R 6和R 7彼此相同或不同,表示连接在一起的直链和/或支链C 1 -C 4烷基和/或芳基和/或杂芳基,或R 6和R 7 ,代表C1-C8 烷基或烯基。