PREGABALIN -4-ELIMINATE, PREGABALIN 5-ELIMINATE, THEIR USE AS REFERENCE MARKER AND STANDARD, AND METHOD TO PRODUCE PREGABALIN CONTAINING LOW LEVELS THEREOF
申请人:VOLLERNER Yuri
公开号:US20090137842A1
公开(公告)日:2009-05-28
The present invention provides 3-(aminomethyl)-5-methylhex-4-enoic acid (Pregabalin-4-eliminate or PRG-4E) and 3-(aminomethyl)-5-methylhex-5-enoic acid (Pregabalin-5-eliminate or PRG-5E), and their uses as reference markers and standards for determining the purity of Pregabalin. The invention also provides a method to produce Pregabalin containing low levels of these impurities.
本发明提供了3-(氨甲基)-5-甲基己-4-烯酸(Pregabalin-4-eliminate或PRG-4E)和3-(氨甲基)-5-甲基己-5-烯酸(Pregabalin-5-eliminate或PRG-5E),以及它们作为参考标记和标准,用于确定Pregabalin的纯度。本发明还提供了一种生产含有这些杂质低水平的Pregabalin的方法。