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公开(公告)号:US20100076204A1
公开(公告)日:2010-03-25
申请号:US12374948
申请日:2007-07-20
IPC分类号: C07D207/12
CPC分类号: C07D207/27
摘要: The present invention relates to a process for the preparation of levetiracetam and, more particularly, to an improved process for the preparation of levetiracetam characterized by a crystallization-induced dynamic resolution of a diastereoisomeric mixture of an (±)-alpha-ethyl-2-oxo-1-pyrrolidine acetamide derivative.
摘要翻译: 本发明涉及一种制备左乙拉西坦的方法,更具体地说,涉及一种用于制备左乙拉西坦的改进方法,其特征在于结晶诱导的(±)-al-乙基-2- -1-氧代-1-吡咯烷乙酰胺衍生物。