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公开(公告)号:US20020077353A1
公开(公告)日:2002-06-20
申请号:US10012054
申请日:2001-11-06
Applicant: H. Lundbeck A/S
Inventor: Hans Petersen , Michael Harold Rock , Henrik Svane
IPC: C07D307/78 , A61K031/343
CPC classification number: C07D307/87 , C07D307/81
Abstract: Method for the preparation of citalopram comprising reaction of a compound of Formula (IV) 1 wherein R is halogen, or CF3null(CF2)nnullSO2null, n being 0 to 8, with a cyanide source in the presence of a palladium catalyst and a catalytic amount of Cnull or Zn2null, or with Zn(CN)2 in the presence of a palladium catalyst.
Abstract translation: 制备西酞普兰的方法,其包括其中R为卤素的式(IV)化合物或CF 3 - (CF 2)n -SO 2 - ,n为0至8的化合物与氰化物源在钯催化剂存在下反应, 催化量的C +或Zn 2+,或与Zn(CN)2在钯催化剂存在下反应。