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。