[EN] "PROCESSES FOR THE PREPARATION OF 4'-[3-[4-(6-FLUORO-1,2-BENZISOXAZOL-3-YL)PIPERIDINO]PROPOXY]-3'-METHOXYACETOPHENONE AND INTERMEDIATES THEREOF"<br/>[FR] "PROCÉDÉS DE FABRICATION DE 4'-[3-[4-(6-FLUORO-1,2-BENZISOXAZOL-3-YL)PIPÉRIDINO]PROPOXY]-3'-METHOXYACÉTOPHÉNONE ET DE SES INTERMÉDIAIRES
申请人:SYMED LABS LTD
公开号:WO2012032532A1
公开(公告)日:2012-03-15
The present invention relates to processes for the preparation of 4'-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidino]propoxy]-3'-methoxyacetophenone and intermediates thereof. The present invention also provides a process for purifying 4'-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidino]propoxy]-3'-methoxyacetophenone to obtain the purity greater than about 98.0 area % to about 99.0 area % as measured by HPLC, preferably greater than about 99.0 area % to about 99.5 area%, more preferably greater about 99.5 area % to about 99.9 area %. individual impurities lower than about 0.15 area %, preferably lower than about 0.1 % and total impurities lower than about 0.5 area % by HPLC.
本发明涉及制备4'-[3-[4-(6-氟-1,2-苯并异噁唑-3-基)哌啶基]丙氧基]-3'-甲氧基苯乙酮及其中间体的过程。本发明还提供了一种纯化4'-[3-[4-(6-氟-1,2-苯并异噁唑-3-基)哌啶基]丙氧基]-3'-甲氧基苯乙酮的方法,以获得HPLC测量的纯度大约在98.0%至99.0%之间,最好大约在99.0%至99.5%之间,更好地大约在99.5%至99.9%之间。个别杂质低于约0.15%,最好低于约0.1%,总杂质低于约0.5%。