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    • 6. 发明申请
    • METHOD OF PRODUCING HIGHLY PURE PRASUGREL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    • 生产高纯度原料的方法及其药学上可接受的盐
    • WO2011057592A1
    • 2011-05-19
    • PCT/CZ2010/000115
    • 2010-11-12
    • ZENTIVA, K.S.STEPANKOVA, HanaKAMINSKA, KaterinaHAJICEK, Josef
    • STEPANKOVA, HanaKAMINSKA, KaterinaHAJICEK, Josef
    • C07D495/04
    • C07D495/04
    • 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 OR 4 group, wherein R 4 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)
    • 制备式(I)的5- [2-环丙基-1-(2-氟苯基)-2-氧代乙基] -4,5,6,7-四氢噻吩并[3,2-c]吡啶-2-基乙酸酯的方法 (I)化合物或其盐,其特征在于与式(ⅩⅤ)化合物反应呈与磺酰基磺酸盐形式的式(Ⅳ)化合物,其中Y表示:氯,溴或OR 4 基团,其中R 4表示烷基磺酸基或芳烃磺酸基,在有机溶剂中,在无机碱或有机碱的存在下,在反应混合物中加入乙酰化试剂和有机碱后,得到式 (I),其在加入共溶剂之后从反应混合物中结晶,并且式(I)化合物任选地通过结晶进行纯化,并任选地通过与有机或无机酸反应形成盐 合适的溶剂。 (式(I),(III),(XV)