PROCESS FOR THE PREPARATION OF 6,6-DIMETHYL-3-AZABICYCLO-[3.1.0]- HEXANE COMPOUNDS UTILIZING BISULFITE INTERMEDIATE
申请人:Berranger Thierry
公开号:US20100145069A1
公开(公告)日:2010-06-10
The present invention provides for a process for preparing 6,6-Dimethyl-3-aza-bicyclo[3.1.0]hexane-2-sulfonate, an intermediateuseful in the efficient preparation of (1R,2S,5S)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylic acid and esters and salts thereof, processes for preparing (1R,2S,5S)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylic acid and esters and salts thereof from the sulfonate intermediate and processes for preparing 6,6-Dimethyl-3-aza-bicyclo[3.1.0]hexane-2-sulfonate.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF RACEMIC 6, 6- DIMETHYL-3-AZABICYCLO-[3.1.0]-HEXANE AND ITS SALTS, A KEY RAW MATERIAL FOR HCV INHIBITOR.<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE 6,6-DIMÉTHYL-3-AZABICYCLO-[3.1.0]HEXANE RACÉMIQUE ET DE SES SELS, UNE MATIÈRE PREMIÈRE CLEF POUR L'INHIBITEUR DE VHC