[EN] PROCESS FOR THE PREPARATION OF CARBOPROST AND ITS TROMETHAMINE SALT<br/>[FR] PROCÉDÉ PERMETTANT LA PRÉPARATION DE CARBOPROST ET DE SON SEL DE TROMÉTHAMINE
申请人:CHINOIN GYÓGYSZER ÉS VEGYÉSZETI TERMÉKEK GYÁRA ZRT
公开号:WO2017093770A1
公开(公告)日:2017-06-08
The subject of the invention is a novel process for the preparation of Carboprost tromethamine salt where alkylation the enone of the general formula (II) is carried out in the presence of a chiral auxiliary in aprotic solvent with a Grignard reagent. The methyl ester epimers of formula (VII) are separated by gravity silicagel chromatography and the salt formation is carried out by using solid tromethamine base.
METHOD FOR THE WITTIG REACTION IN THE PREPARATION OF CARBOPROST
申请人:Bhide Keshav Shripad
公开号:US20100041912A1
公开(公告)日:2010-02-18
A process for the preparation of carboprost methyl ester (FIG. (
10
)).
[EN] IMPROVED METHOD FOR THE WITTIG REACTION IN THE PREPARATION OF CARBOPROST<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA RÉACTION DE WITTIG DANS LA PRÉPARATION DE CARBOPROST
申请人:ASTRAZENECA PHARMA INDIA LTD
公开号:WO2008081191A1
公开(公告)日:2008-07-10
[EN] A process for the preparation of carboprost methyl ester (figure (10)). [FR] L'invention concerne un procédé pour la préparation de l'ester méthylique de carboprost (figure 10).