Abstract:
PROBLEM TO BE SOLVED: To provide a new intermediate in a method for preparing 2-oxo-1-pyrrolidine derivatives. SOLUTION: The compound having the general formula (A) (X is -CONR 5 R 6 , -COOR 7 , -CO-R 8 , or CN; R 1 is H or the like; R 2 and R 4 are each identically or differently independently H or the like; R 3 is H or the like; R 5 , R 6 and R 7 are each identically or differently independently H or the like; R 8 is H or the like), or a pharmaceutically acceptable salt thereof; the compound including methyl 2-[4R,S-isopropyl-2-oxo-pyrrolidin-1-yl]acrylate and methyl 2-[3R,S-chloro-4R,S-isopropyl-2-oxo-pyrrolidin-1-yl]acrylate. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation:待解决的问题:在制备2-氧代-1-吡咯烷衍生物的方法中提供新的中间体。 解决方案:具有通式(A)的化合物(X为-CONR 5,R SP 6,-COOR 7,-CO, -R 8 SP>或CN; R 1 SP>是H等; R SP> 2< SP>和< SP> 4< / SP& 相同或不同的独立的H等; R 3是H等; R 6,R 6,R 6, / SP>各自相同或不同地独立地为H等; R 6为H等)或其药学上可接受的盐; 该化合物包括2- [4R,S-异丙基-2-氧代 - 吡咯烷-1-基]丙烯酸甲酯和2- [3R,S-氯-4R,S-异丙基-2-氧代 - 吡咯烷-1-基 ]丙烯酸甲酯。 版权所有(C)2007,JPO&INPIT
Abstract:
THE INVENTION CONCERNS 2-OXO-1-PYRROLIDINE DERIVATIVES AND A PROCESS FOR PREPARING THEN 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 THE METHODS FOR THE PREPARATION OF S-α-ETHYL-2-OXO-1-PYRROLIDINE ACETAMIDE.
Abstract:
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 .alpha.-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- .alpha.-ethyl-2-oxo-1-pyrrolidine acetamide.
Abstract:
The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process of preparing alpha-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-alpha-ethyl-2-oxo-1-pyrrolidine acetamide. 13 claims
Abstract:
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. whereinR 1 is methyl,R 2 and R 4 are hydrogen.R 3 is alkyl or haloalkenyl, andX is -COOH. -COOMe or -COOEt.
Abstract:
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. whereinR 1 is methyl,R 2 and R 4 are hydrogen.R 3 is alkyl or haloalkenyl, andX is -COOH. -COOMe or -COOEt.
Abstract:
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. whereinR 1 is methyl,R 2 and R 4 are hydrogen.R 3 is alkyl or haloalkenyl, andX is -COOH. -COOMe or -COOEt.
Abstract:
Invenţia se referă la derivaţi de 2-oxo-1-pirolidină, la un procedeu de preparare a acestora ?i la utilizarea acestora în prepararea (S)-(-)-alfa-etil-2-oxo-1-pirolidin acetamidei.