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公开(公告)号:US20090018351A1
公开(公告)日:2009-01-15
申请号:US10595794
申请日:2004-11-12
申请人: Venkataraman Sundaram , Vijayavithai Thippannachar Mathad , Pravinachandra Jayanthilal Venkavala , Chandrashekar Ravirama Elati , Naveenkumar Kolla , Shanmugam Govindan , Subrahmanyeshwara Rao Chalamala , Srinivas Gangula
发明人: Venkataraman Sundaram , Vijayavithai Thippannachar Mathad , Pravinachandra Jayanthilal Venkavala , Chandrashekar Ravirama Elati , Naveenkumar Kolla , Shanmugam Govindan , Subrahmanyeshwara Rao Chalamala , Srinivas Gangula
IPC分类号: C07D307/78
CPC分类号: C07D307/87
摘要: The present invention relates to a process for preparing enantiomerically enriched citalopram via methylating enantiomerically enriched didesmethylcitalopram, which is prepared by directly resolving racemic didesmethylcitalopram using a chiral acid.
摘要翻译: 本发明涉及通过甲基化对映异构体富集的二甲基西酞普兰来制备对映体富集的西酞普兰的方法,其通过使用手性酸直接拆分外消旋二甲基西酞普兰来制备。