[EN] 2-OXO-1-PYRROLIDINE DERIVATIVES, PROCESSES FOR PREPARING THEM AND THEIR USES [FR] DERIVES DE 2-OXO-1-PYRROLIDINE, PROCEDES DE PREPARATION ET UTILISATIONS DESDITS DERIVES
A process for the preparation of Brivaracetam, an anti-convulsion drug, is provided comprising Hofmann rearrangement of (S)-3-(2-(chloroamino)-2-oxoethyl) hexanoic acid, followed by cyclization resulting in (R)-4-propyl-pyrrolidin-2-one which on condensation with bromo butyric acid or ester followed by reaction with ammonia results in Brivaracetam.
[EN] PROCESSES TO PRODUCE BRIVARACETAM<br/>[FR] PROCÉDÉS DE PRODUCTION DU BRIVARACETAM
申请人:WANG PENG
公开号:WO2016191435A1
公开(公告)日:2016-12-01
The present invention provides a scalable synthesis of enantiomerically pure brivaracetam, and related derivatives.
本发明提供了一种可扩展合成对映体纯的布利威拉西坦及其相关衍生物。
[EN] COMPOUNDS AND THEIR USE IN THE SYNTHESIS OF BRIVARACETAM APIS<br/>[FR] COMPOSÉS ET LEUR UTILISATION DANS LA SYNTHÈSE DE PRINCIPES ACTIFS PHARMACEUTIQUES BRIVARACÉTAM
申请人:FUJIAN HAIXI PHARMACEUTICALS CO LTD
公开号:WO2020143674A1
公开(公告)日:2020-07-16
Provided is a compound of formula III, and also provided are its use and method in the synthesis of Brivaracetam APIs. The raw materials involved in the method are cheap and easy to obtain, and can prepare Brivaracetam APIs with high optical, which avoids chiral separation and tedious separation and purification steps, reduces cost and is more suitable for industrial production.
2-Oxo-1-pyrrolidine derivatives, processes for preparing them and their uses
申请人:Differding Edmond
公开号:US20050171188A1
公开(公告)日:2005-08-04
The invention concerns 2-oxo-1-pyrrolidine derivatives of formula I,
wherein the substituents are as defined in the specification, as well as their use as pharmaceuticals. The compounds of the invention are particularly suited for treating neurological disorders such as epilepsy.