[EN] PROCESS FOR MAKING RISPERIDONE AND INTERMEDIATES THEREFOR<br/>[FR] PROCEDE DE FABRICATION DE LA RISPERIDONE ET DES INTERMEDIAIRES ASSOCIES
申请人:SYNTHON BV
公开号:WO2004043923A1
公开(公告)日:2004-05-27
The formation of risperidone is enhanced by the use of enriched Z-isomer oxime intermediate(s) of Formula (3) or (7). The oxime(s) can be isomerically enriched by a variety of techniques including the use of the novel acetic acid salt thereof, which affords, inter alia, resolution of the isomers and/or by heat conversion.