[EN] PROCESS FOR THE PURIFICATION OF CANAGLIFLOZIN<br/>[FR] PROCÉDÉ DE PURIFICATION DE CANAGLIFLOZINE
申请人:SUN PHARMACEUTICAL IND LTD
公开号:WO2016016852A1
公开(公告)日:2016-02-04
The present invention provides a process for the preparation of (1S)-2,3,4,6-tetra- O-acetyl-1,5-anhydro-1-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-D- glucitol of Formula III. The invention also provides a process for the purification of canagliflozin using (1S)-2,3,4,6-tetra-O-acetyl-1,5-anhydro-1-[3-[[5-(4-fluorophenyl)-2-5 thienyl]methyl]-4-methylphenyl]-D-glucitol of Formula III.
本发明提供了一种制备(1S)-2,3,4,6-四-O-乙酰基-1,5-脱水-1-[3-[[5-(4-氟苯基)-2-噻吩基]甲基]-4-甲基苯基]-D-葡萄糖醇的方法,其化学式为III。该发明还提供了一种利用化学式III中的(1S)-2,3,4,6-四-O-乙酰基-1,5-脱水-1-[3-[[5-(4-氟苯基)-2-5-噻吩基]甲基]-4-甲基苯基]-D-葡萄糖醇纯化卡格列净的方法。