申请人:ZaCh System S.p.A.
公开号:EP2147911A1
公开(公告)日:2010-01-27
A process for the manufacturing of levetiracetam, wherein said process comprises the steps of: (1) reacting the (-)-(S)-alpha-ethyl-2-oxo-1-pyrrolidine acetic acid with a substoichiometric amount of an activating agent in an alcoholic solvent, and (2) subjecting the resulting reaction solution of step (1) to an ammonolysis process with gaseous ammonia.
一种用于生产左乙拉西坦的工艺,其中该工艺包括以下步骤:(1)将(-)-(S)-α-乙基-2-氧代-1-吡咯烷乙酸与醇溶剂中的亚化学计量的活化剂反应,以及(2)将步骤(1)产生的反应溶液进行氨解作用,使用氨气。