[EN] A NOVEL PIPECOLIC ACID CO-CRYSTAL OF CANAGLIFLOZIN AND PROCESS FOR THE PREPARATION THEREOF<br/>[FR] NOUVEAU CO-CRISTAL D'ACIDE PIPÉCOLIQUE DE CANAGLIFLOZINE ET SON PROCÉDÉ DE PRÉPARATION
申请人:HARMAN FINOCHEM LTD
公开号:WO2017060924A1
公开(公告)日:2017-04-13
The present invention discloses the process for preparation of (2S,3R,4R,5S,6R)- 2-3-[5-[4-Fluoro-phenyl)-thiophen-2-ylmethyl]-4-methyl-phenyl}-6- hydroxymethyl-tetrahydro-pyran-3,4,5-triol and its pipecolic acid co-crystal. The invention also discloses novel intermediate, acetic acid 4, 5-diacetoxy-6- acetoxymethyl-2-R1-2-3-[5-(4-fluoro-phenyl)-thiophen-2-ylmethyl]-4-methyl- phenyl}-tetrahydro-pyran-3-yl ester, wherein, R1 is allyl or prop-2-ynyl, as an intermediate for the preparation of 4, 5-diacetoxy-6-acetoxymethyl-2-R1-2-3-[5- (4-fluoro-phenyl)-thiophen-2-ylmethyl]-4-methyl-phenyl}-tetrahydro-pyran-3-yl ester, wherein, R1 is allyl or prop-2-ynyl.
本发明公开了制备(2S,3R,4R,5S,6R)-2-3-[5-[4-氟苯基)-噻吩-2-基甲基]-4-甲基苯基}-6-羟甲基-四氢吡喃-3,4,5-三醇及其吡啶氨酸共晶体的过程。本发明还公开了一种新的中间体,即乙酸4,5-二乙酰氧基-6-乙酰氧甲基-2-R1-2-3-[5-(4-氟苯基)-噻吩-2-基甲基]-4-甲基苯基}-四氢吡喃-3-酯,其中,R1为烯丙基或丙-2-炔基,作为制备4,5-二乙酰氧基-6-乙酰氧甲基-2-R1-2-3-[5-(4-氟苯基)-噻吩-2-基甲基]-4-甲基苯基}-四氢吡喃-3-酯的中间体,其中,R1为烯丙基或丙-2-炔基。