[EN] METHOD OF PRODUCING HIGHLY PURE PRASUGREL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF<br/>[FR] PROCÉDÉ DE FABRICATION DE PRASUGREL HAUTEMENT PUR ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
申请人:ZENTIVA KS
公开号:WO2011057592A1
公开(公告)日:2011-05-19
A method for the production of 5-[2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]- 4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate of formula (I) or its salts, characterized in that the compound of formula (III) in the form of a salt with an arene sulfonic acid is reacted with the compound of formula (XV), wherein Y means: chlorine, bromine, or an OR4 group, wherein R4 means an alkane sulfonic group or arene sulfonic group, in an organic solvent in the presence of an inorganic base or organic base, to give, after addition of an acetylating reagent and organic base to the reaction mixture, the compound of formula (I), which, after addition of a co-solvent, is crystallized from the reaction mixture, and the compound of formula (I) is optionally purified by crystallization and optionally converted to a salt by reaction with an organic or inorganic acid in a suitable solvent. (Formulae (I), (III), (XV)
一种用于制备式(I)的5-[2-环丙基-1-(2-氟苯基)-2-氧乙基]-4,5,6,7-四氢噻吩[3,2-c]吡啶-2-基乙酸乙酯或其盐的方法,其特征在于以式(III)的化合物形式与含有芳烃磺酸盐的化合物在有机溶剂中,在无机碱或有机碱的存在下反应,其中Y表示:氯、溴或OR4基团,其中R4表示烷基磺酸基团或芳烃磺酸基团,反应后加入乙酰化试剂和有机碱到反应混合物中,得到式(I)的化合物,然后在加入共溶剂后,从反应混合物中结晶出该式(I)的化合物,该式(I)的化合物可以通过结晶纯化,并可选择通过与适当溶剂中的有机或无机酸反应转化为盐。(式(I)、(III)、(XV))