会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • TWO CRYSTALLINE HYDRATE FORMS OF AMLODIPINE BENZENESULFONATE OF HIGH PURITY, PROCESSES FOR THEIR PREPARATION AND USE
    • 高纯度亚油酸二苯酯的两水合液型,其制备和使用方法
    • WO2003101965A1
    • 2003-12-11
    • PCT/EP2003/005632
    • 2003-05-28
    • LEK PHARMACEUTICALS D.D.HAM, ZoranFURLAN, BorutCOPAR, AntonURLEB, Uros
    • HAM, ZoranFURLAN, BorutCOPAR, AntonURLEB, Uros
    • C07D211/90
    • C07D211/90
    • The novel crystalline amlodipine benzenesulfonate dihydrate of high purity is disclosed, as well as the process for preparation of the novel crystalline amlodipine benzenesulfonate dihydrate of high purity and the crystalline amlodipine benzenesulfonate monohydrate of high purity, suitable for the preparation of pharmaceutical formulations for the treatment of cardiac diseases or hypertension, and their use as intermediate compounds in the improved process of purification of the nonhydrate benzenesulfonate (besylate) salt of amlodipine.The process for preparation of the crystalline amlodipine benzenesulfonate dihydrate is carried in the way that from the C1-C5 alcoholic solution of amlodipine benzenesulfonate with water while stirring at a temperature of 20°C or lower the crystals of pure amlodipine benzenesulfonate dihydrate are separated, and isolated.The process for preparation of the crystalline amlodipine benzenesulfonate monohydrate is carried in the way that from the C1-C5 alcoholic solution of amlodipine benzenesulfonate with water while stirring at a temperature of 30°C or higher the crystals of pure amlodipine benzenesulfonate monohydrate are separated, and isolated.
    • 公开了高纯度的新型结晶氨氯地平苯磺酸盐二水合物,以及制备高纯度的新型结晶氨氯地平苯磺酸盐二水合物二水合物和高纯度结晶氨氯地平一水合物的方法,适用于制备用于治疗 心脏病或高血压,以及它们作为中间体化合物用于改善氨氯地平的非水性苯磺酸盐(苯磺酸盐)盐的纯化方法。制备结晶氨氯地平苯磺酸盐二水合物的方法是以从C1-C5酒精 在20℃或更低温度下搅拌的同时,分离苯磺酸氨氯地平与水的溶液,分离出纯氨基苯磺酸盐二水合物的晶体。分离出苯磺酸结晶氨氯地平一水合物的制备方法, C5 a 在30℃或更高的温度下搅拌的同时,将苯磺酸氨氯地平的醇溶液与水分离,分离出纯氨基苯磺酸一水合物的晶体。