申请人:REDDYS LAB INC DR
公开号:WO2005047274A1
公开(公告)日:2005-05-26
Enantiomerically enriched citalopram is prepared by methylating enantiomerically enriched didesmethylcitalopram, obtained by directly resolving racemic didesmethylcitalopram using a chiral acid.
对映富集的西酞普兰是通过对映富集的二去甲基西酞普兰进行甲基化制备的,后者是通过使用手性酸直接拆分混合的二去甲基西酞普兰得到的。