The present invention is related to a safe and industrially applicable method for the preparation of 2-acetoxy-5-(2-fluoro-α-cyclopropyl- carbonyl-benzyl)-4,5,6,7-tetrahydro-4H-thieno[3,2-c]pyridine in a quality suitable for use as pharmaceutically active ingredient wherein the concentration of the impurities of the Formula.(XXIV) or (XXIVa) is reduced.
本发明涉及一种安全且适用于工业生产的方法,用于制备2-乙酰氧基-5-(2-
氟-α-环丙基-羰基苄基)-4,5,6,7-四氢-4H-
噻吩[3,2-c]
吡啶,其质量适合用作药用活性成分,其中减少了公式(XXIV)或(XXIVa)的杂质浓度。