[EN] PYRIMIDINE-2, 4-DIONE DERIVATIVES AS GONADOTROPIN-RELEASING HORMONE RECEPTOR ANTAGONISTS [FR] DERIVES DE PYRIMIDINE-2, 4-DIONE UTILISES COMME ANTAGONISTES DU RECEPTEUR D'HORMONE LIBERANT DE LA GONADOTROPHINE
[EN] PROCESSES FOR THE PREPARATION OF URACIL DERIVATIVES<br/>[FR] PROCÉDÉS DE PRÉPARATION DE DÉRIVÉS D'URACILE
申请人:NEUROCRINE BIOSCIENCES INC
公开号:WO2009062087A1
公开(公告)日:2009-05-14
The present invention relates to processes and intermediates for preparing Gonadotropin-Releasing Hormone (GnRH) receptor antagonists of structure (VI); and stereoisomers and pharmaceutically acceptable salts thereof.
[EN] IMPROVED PROCESS FOR THE PREPARATION OF ELAGOLIX AND ITS INTERMEDIATES<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ÉLAGOLIX ET DE SES INTERMÉDIAIRES
申请人:DR REDDY’S LABORATORIES LTD
公开号:WO2020240375A1
公开(公告)日:2020-12-03
The present invention provides an improved process for the preparation of Elagolix sodium of formula (I) and its intermediates. The present invention also provides a compounds of formula (V) and (VI), (X), (Xa) and (Xb). The present invention further provides the use of compounds of formula (V), (VI), (X), (Xa) and (Xb) in the preparation of Elagolix sodium of formula (I). The present invention provides a process for the preparation of Elagolix sodium of formula (I) and its intermediates.
[EN] PROCESS FOR THE PREPARATION OF ELAGOLIX SODIUM AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ÉLAGOLIX SODIQUE ET D'INTERMÉDIAIRES CORRESPONDANTS
申请人:MANKIND PHARMA LTD
公开号:WO2020194115A1
公开(公告)日:2020-10-01
The present invention relates to compounds of Formula A, isomers, polymorphs and process of preparation thereof, wherein, S is a pharmaceutically acceptable salt, R is selected from hydrogen or C1-C3 alkyl group substituted with R4; wherein R4 is selected from -CN, -COR5; wherein R5 is selected from NR6R7, -OR8; wherein R6 and R7 are selected from hydrogen, straight or branched chain alkyl group, and R8 is selected from straight or branched chain alkyl group. The present invention further provides a process for the preparation of elagolix or pharmaceutical acceptable salt by using compounds of Formula A.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF 4-({(1 R)-2-[5-(2-FLUORO-3METHOXYPHENYL)-3-{[2-FLUORO-6-(TRIFLUORO METHYL) PHENYL]METHYL}-4-METHYL-2,6-DIOXO-3,6DIHYDROPYRIMIDIN-1(2 H)-YL]-1-PHENYLETHYL}AMINO)BUTANOIC ACID OR ITS PHARMACEUTICALLY ACCEPTABLE SALTS<br/>[FR] PROCESSUS AMÉLIORÉ DE PRÉPARATION D'ACIDE 4-({(1 R)-2-[5-(2-FLUORO-3MÉTHOXYPHÉNYL)-3-{[2-FLUORO-6-(TRIFLUORO MÉTHYL) PHÉNYL]MÉTHYL}-4-MÉTHYL-2,6-DIOXO-3,6DIHYDROPYRIMIDIN-1(2 H)-YL]-1-PHÉNYLÉTHYL}AMINO)BUTANOÏQUE OU DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
申请人:MSN LABORATORIES PRIVATE LTD R&D CENTER
公开号:WO2021130776A1
公开(公告)日:2021-07-01
The present invention relates to an improved process for the preparation of 4- ((1R) -2- [5- (2-fluoro- 3 methoxy phenyl) – 3 - [ 2-fluoro- 6-(trifluoro methyl) phenyl] methyl} -4-methyl- 2,6-dioxo- 3,6dihydropyrimidin-1(2H)-yl]-1-phenylethyl}amino) butanoic acid of formula (I) or its pharmaceutically acceptable salts. The compound of formula (I) is represented by the following structural formula.