[EN] PROCESS FOR THE PREPARATION OF 2-ACETOXY-5-(a -CYCLOPRPYLCARBONYL -2-FLUOROBENZYL)-4,5,6,7-TETRAHYDROTHIENO[3,2-C]PYRIDINE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 2-ACÉTOXY-5-(?-CYCLOPROPYLCARBONYL-2-FLUOROBENZYL)-4,5,6,7-TÉTRAHYDROTHIÉNO[3,2-C]PYRIDINE
申请人:TORRENT PHARMACEUTICALS LTD
公开号:WO2009122440A1
公开(公告)日:2009-10-08
The present invention relates to a process for the preparation of 2-Acetoxy-5-(α-cycloprpylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine & pharmaceutically acceptable salt thereof using a 2-acetoxy-tetrahydrothienopyridine derivatives i.e. compound of formula (VI) & (VIII) or salt thereof or acid addition salt of 5-(α-cycloprpylcarbonyl-2-fluorobenzyl)-2-oxo-4,5,6,7-tetrahydrothieno[3,2-c]pyridine of formula (II). The present invention also relates to the process for the preparation of 2-acetoxy-tetrahydrothienopyridine derivatives i.e. compound of formula (VI) & (VIII) or salt thereof and acid addition salt of compound of formula (II).
本发明涉及一种制备2-乙酰氧基-5-(α-环丙基羰基-2-氟苯甲基)-4,5,6,7-四氢噻吩[3,2-c]吡啶及其药用可接受盐的方法,使用2-乙酰氧基-四氢噻吩吡啶衍生物,即式(VI)和(VIII)化合物或其盐或5-(α-环丙基羰基-2-氟苯甲基)-2-氧代-4,5,6,7-四氢噻吩[3,2-c]吡啶的酸加盐,即式(II)。本发明还涉及制备2-乙酰氧基-四氢噻吩吡啶衍生物,即式(VI)和(VIII)化合物或其盐以及化合物的酸加盐的方法。