METHOD FOR THE PREPARATION OF CITALOPRAM
    4.
    发明公开
    METHOD FOR THE PREPARATION OF CITALOPRAM 有权
    编制CITALOPRAM的方法

    公开(公告)号:EP1159274A2

    公开(公告)日:2001-12-05

    申请号:EP99968622.3

    申请日:1999-11-22

    申请人: H. Lundbeck A/S

    IPC分类号: C07D307/87

    CPC分类号: C07D307/87 C07D307/81

    摘要: Preparation of citalopram (I) or its salt comprises reacting a isobenzofuran compound (IV) with (i) a cyanide source in the presence of a palladium catalyst and a catalytic amount of copper I or zinc II ions; or (ii) with zinc cyanide in the presence of a palladium catalyst; and isolating (I). - Preparation of citalopram of formula (I) comprises reacting an isobenzofuran compound of formula (IV) with (i) a cyanide source in the presence of a palladium catalyst and a catalytic amount of copper I or zinc II ions; or (ii) with zinc cyanide in the presence of a palladium catalyst; and isolating (I). - R = halo or CF3(CF2)nSO2; - n = 0-8. - An INDEPENDENT CLAIM is also included for (IV; R = CF3(CF2)nSO2 or iodo).

    摘要翻译: 包括使式(IV)化合物(其中R为卤素或CF 3 - (CF 2)n -SO 2 - ,n为0至8)与氰化物源在钯催化剂存在下反应的方法,以及 催化量的Cu 2+或Zn 2+,或与Zn(CN)2 在钯催化剂存在下进行。

    METHOD FOR THE PREPARATION OF CITALOPRAM

    公开(公告)号:EP1159274B1

    公开(公告)日:2003-03-26

    申请号:EP99968622.3

    申请日:1999-11-22

    申请人: H. Lundbeck A/S

    IPC分类号: C07D307/87

    CPC分类号: C07D307/87 C07D307/81

    摘要: Preparation of citalopram (I) or its salt comprises reacting a isobenzofuran compound (IV) with (i) a cyanide source in the presence of a palladium catalyst and a catalytic amount of copper I or zinc II ions; or (ii) with zinc cyanide in the presence of a palladium catalyst; and isolating (I). - Preparation of citalopram of formula (I) comprises reacting an isobenzofuran compound of formula (IV) with (i) a cyanide source in the presence of a palladium catalyst and a catalytic amount of copper I or zinc II ions; or (ii) with zinc cyanide in the presence of a palladium catalyst; and isolating (I). - R = halo or CF3(CF2)nSO2; - n = 0-8. - An INDEPENDENT CLAIM is also included for (IV; R = CF3(CF2)nSO2 or iodo).