DENIBULIN DI-HYDROCHLORIDE
    3.
    发明公开
    DENIBULIN DI-HYDROCHLORIDE 有权
    德尼布林,二盐酸盐

    公开(公告)号:EP2736334A1

    公开(公告)日:2014-06-04

    申请号:EP12820152.2

    申请日:2012-07-27

    申请人: MediciNova, Inc.

    发明人: RUBY, Kale

    IPC分类号: A01N43/40

    摘要: MN-029 di-hydrochloride (MN-029.2HC1, Formula 2) is a potent vascular targeting agent. The present invention focuses on the synthesis and characterization of the di-hydrochloride salt MN-029 and the preparation of pharmaceutically acceptable formulations thereof. Methods are disclosed of using the compound and formulations thereof in the treatment of diseases that rely on the generation of neovasculature by angiogenesis for disease progression.

    A PROCESS FOR PREPARATION OF ALBENDAZOLE
    4.
    发明公开
    A PROCESS FOR PREPARATION OF ALBENDAZOLE 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON ALBENDAZOL

    公开(公告)号:EP2643304A2

    公开(公告)日:2013-10-02

    申请号:EP11843289.7

    申请日:2011-11-23

    IPC分类号: C07D235/30

    CPC分类号: C07D235/32 C07D235/30

    摘要: The present invention discloses a novel, cost-effective process for preparation of a benzimidazole carbamates compound. Specifically, it relates to the process for the preparation of anti-parasite bulk drug albendazole. The process comprises a) thiocyanating 2-nitroaniline of formula VI with ammonium thiocyanated in presence of a halogen to obtain 2-nitro-4-thiocyanoaniline of formula V; b)propylating 2-nitro-4-thiocyanoaniline of formula V with propylbromide in presence of n-propanol and a base in absence of a phase transfer catalyst to obtain 4-propylthio-2-nitroaniline of formula III; C) reducing the nitro group of 4- propylthio-2-nitroaniline prepared in step b) by reacting an aqueous alkali metal sulphide or an alkaline metal sulphide to obtain 4-propylthio-o-phenylenediamine of formula II; and d)condensing 4-propylthio-o-phenylenediamine of formula II with alkali or alkaline earth metal salt of methylcyano carbamate in presence of an acid to form Albendazole of formula I.

    摘要翻译: 本发明公开了一种制备苯并咪唑氨基甲酸酯化合物的新型成本有效的方法。 具体而言,涉及制备抗寄生虫药物阿苯达唑的方法。 该方法包括a)在卤素存在下硫氰酸化式VI的2-硝基苯胺与硫氰酸铵反应,得到式Ⅴ的2-硝基-4-硫代氰胺; b)在不存在相转移催化剂的情况下,在正丙醇和碱的存在下,用丙基溴将式V的2-硝基-4-氰基氰胺丙基化,得到式III的4-丙硫基-2-硝基苯胺; C)通过使碱金属硫化物水溶液或碱金属硫化物水溶液还原步骤b)中制备的4-丙基硫代-2-硝基苯胺的硝基,得到式II的4-丙硫基 - 邻苯二胺; 和d)将式II的4-丙硫基 - 邻苯二胺与甲基氰基氨基甲酸酯的碱金属或碱土金属盐在酸存在下缩合形成式I的阿苯达唑。