[EN] PROCESS FOR THE PREPARATION OF BRIVARACETAM<br/>[FR] PROCÉDÉ DE PRÉPARATION DE BRIVARACÉTAM
申请人:GLENMARK LIFE SCIENCES LTD
公开号:WO2021124066A1
公开(公告)日:2021-06-24
The present invention relates to a process for the preparation of brivaracetam, a compound of formula I and salts thereof. The present invention also relates to a compound of formula II and a compound of formula IIA, process for its preparation and conversion thereof to brivaracetam, the compound of formula I.
PROCESS FOR THE PREPARATION OF 2-OXO-1-PYRROLIDINE DERIVATIVES
申请人:Surtees John
公开号:US20080009638A1
公开(公告)日:2008-01-10
The present invention relates to alternative processes for the preparation of 2-oxo-1-pyrrolidine derivatives of formula (I)
Particularly, the present invention relates to alternative processes for the synthesis of levetiracetam, brivaracetam and seletracetam.
[EN] BRIVARACETAM INTERMEDIATE, PREPARATION METHOD THEREFOR, AND PREPARATION METHOD FOR BRIVARACETAM<br/>[FR] INTERMÉDIAIRE DE BRIVARACÉTAM, SON PROCÉDÉ DE PRÉPARATION, ET PROCÉDÉ DE PRÉPARATION DE BRIVARACÉTAM<br/>[ZH] 一种布瓦西坦中间体、其制备方法及布瓦西坦的制备方法