[EN] PROCESS FOR THE PREPARATION OF CARBAMIC ACID, N,N'-[[1,1'-BIPHENYL] -4,4'-DIYLBIS]- 1 H-IMIDAZOLE-5,2 DIYI-(2S)-2,1-PYRROLIDINEDIYL[(1 S)-1-(1-METHYLETHYL)-2-OXO-2,1-ETHANEDIYL]]] BIS-,C,C'-DIMETHYL ESTER AND ITS SALTS AND POLYMORPHS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ACIDE CARBAMIQUE, D'ESTER DE N,N'-[[1,1'-BIPHÉNYL] -4,4'-DIYLBIS]- 1 H-IMIDAZOLE-5,2 DIYI-(2S)-2,1-PYRROLIDINÉDIYL[(1 S)-1-(1-MÉTHYLÉTHYL)-2-OXO-2,1-ÉTHANEDIYL]]] BIS-,C,C'-DIMÉTHYL ET SES SELS ET POLYMORPHES
申请人:MSN LABORATORIES PRIVATE LTD R & D CENTER
公开号:WO2018134842A1
公开(公告)日:2018-07-26
The present invention relates to the process for the preparation of carbamic acid, N,N'-[[1,1'biphenyl]- 4,4'-diylbis[ I H-imidazole-5,2-diyl-(2S)-2, 1-pyrrolidinediyl[ (1S)-1-( 1-methylethyl)-2- oxo-2,1-ethanediyl]]]bis-,C,C'-dimethyl ester of formula (I), salts and its polymorphs. The chemical structure of compound of formula (I) is shown below
本发明涉及制备碳酸酯的过程,N,N'-[[1,1'联苯]-4,4'-二基[1H-咪唑-5,2-二基-(2S)-2,1-吡咯烷二基[(1S)-1-(1-甲基乙基)-2-氧代-2,1-乙二基]]]二甲酯的盐及其多晶形式的化学结构如下: