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    • 3. 发明申请
    • PROCESS FOR THE PRODUCTION OF POLYMORPH FORM I OF AGOMELATINE
    • 生产聚丙烯酰胺聚酰胺的方法
    • WO2011054917A1
    • 2011-05-12
    • PCT/EP2010/066871
    • 2010-11-05
    • RATIOPHARM GMBHFISCHER, Dirk
    • FISCHER, Dirk
    • C07C231/14C07C233/18
    • C07C231/24C07C233/18
    • The invention provides a process for the preparation of the polymorph from I of agomelatine, characterized by the following crystal data: C 15 H 17 NO 2 Mr = 243.30 Orthorhombic Pca2 1 a = 31.501 (4) A b = 9.5280 (1 O) A C = 17.906 (2) A Z = 16 the process comprising the process steps of: a) dissolving agomelatine in a water-miscible solvent to obtain a solution, b) adding the solution to water having a temperature of 3O°C or below, whereby crystals of the polymorph form I of agomelatine are formed, c) isolating the crystals of the polymorph form I of agomelatine and d) optionally drying the isolated crystals of the polymorph form I of agomelatine.
    • 本发明提供了一种制备由agomelatine的I形成的多晶型物的方法,其特征在于以下晶体数据:C15H17NO2 Mr = 243.30正交的Pca21 a = 31.501(4)A b = 9.5280(10)AC = 17.906(2)AZ 16,该方法包括以下工艺步骤:a)将agomelatine溶解在水混溶性溶剂中以获得溶液,b)将溶液加入到温度为30℃或更低的水中,由此得到多晶型物I的晶体 形成agomelatine,c)分离出agomelatine多晶型物I的晶体,以及d)任选地干燥Agomelatine多晶型I的分离晶体。