[EN] 2-OXO-1-PYRROLIDINE DERIVATIVES, PROCESS FOR PREPARING THEM AND THEIR USES [FR] DERIVES DE 2-OXO-1-PYRROLIDINE, PROCEDE DE PREPARATION ET UTILISATIONS CORRESPONDANTES
2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
申请人:——
公开号:US20030040631A1
公开(公告)日:2003-02-27
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.
[EN] 2-OXO-1-PYRROLIDINE DERIVATIVES, PROCESS FOR PREPARING THEM AND THEIR USES<br/>[FR] DERIVES DE 2-OXO-1-PYRROLIDINE, PROCEDE DE PREPARATION ET UTILISATIONS CORRESPONDANTES
申请人:UCB FARCHIM S A AG LTD
公开号:WO2001064637A1
公开(公告)日:2001-09-07
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing α-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-α-ethyl-2-oxo-1-pyrrolidine acetamide.
Process for preparing 2-oxo-1-pyrrolidine derivatives as intermediates
申请人:UCB FARCHIM S.A.
公开号:EP1577295A1
公开(公告)日:2005-09-21
The invention concerns a process for preparing unsaturated 2-oxo-1-pyrrolidine useful in methods for the preparation of S-α-ethyl-2-oxo-1-pyrrolidine acetamide.
2-oxo-1-pyrrolidine derivative and its pharmaceutical uses
申请人:UCB FARCHIM S.A.
公开号:EP1604979A1
公开(公告)日:2005-12-14
The invention concerns 2-oxo-1-pyrrolidine derivatives of general formula (B. geometrical isomers, enantiomers, diastereoisomers, mixtures of each of these and pharmaceutically acceptable salts thereof.
wherein
R1 is methyl,
R2 and R4 are hydrogen.
R3 is alkyl or haloalkenyl, and
X is -COOH. -COOMe or -COOEt.
2-OXO-1-PYRROLIDINE DERIVATIVES, PROCESS FOR PREPARING THEM AND THEIR USES
申请人:——
公开号:US20040092576A1
公开(公告)日:2004-05-13
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.