研究了消炎药消炎痛有关新的相关杂质。因此,通过独立合成来制备相关物质2-9并进行物理化学表征。为了测定消炎痛及其相关物质,开发并验证了一种新的HPLC-UV方法。消炎痛及其杂质在流动相由甲醇和0.2%磷酸水溶液组成的C(18)色谱柱上以1.5 ml / min的流速洗脱,并通过320 nm的UV检测进行定量。总体而言,HPLC-UV方法简便,可靠,可检测消炎痛中的八种杂质。除HPLC-UV方法外,还使用1H核磁共振(NMR)研究吲哚美辛中的杂质。为了这个目的,将相关物质2-9系统地添加到消炎痛中进行研究。已发现,无需事先分离,NMR方法对于鉴定散装物质中的杂质非常有用。HPLC-UV和NMR均用于分析38批在欧洲市场上可获得的消炎痛。结果是,尽管满足当前药典方法的规范,但仍有42%的批次不符合药典要求。一些批次包含先前未描述的杂质8,而其他批次包含来自两种不同合成途径的副产物。本文介绍的方
Indoles having various activities, including indoles that are CRTH2 are described. The compounds are useful for treating asthma, neuropathic pain, allegic rhinitis and other disorders.
Indole derivatives that are useful for treating pain, inflammation and other conditions are described. Certain of the compounds are benzyl derivatives and others are benzoyl derivatives. The compounds are substituted at least at the 3 position of the indole.
METHODS FOR THE PROTECTION OF MEMORY AND COGNITION
申请人:Microbia, INC.
公开号:EP1628532A2
公开(公告)日:2006-03-01
Methods for the protection of memory and cognition
申请人:Cali M. Brian
公开号:US20050004104A1
公开(公告)日:2005-01-06
The invention features certain compounds useful in the treatment of memory disorders, i.e., they reduce or delay memory loss or they enhance memory retention. Because certain of the compounds do not substantially inhibit either COX-1 or COX-2 at therapeutically relevant doses, these compounds are far less likely to cause gastrointestinal ulceration than is indomethacin, which is known to inhibit both COX-1 and COX-2. Certain of the compounds inhibit the activity of DAO at therapeutically relevant doses. Among the memory disorders that can be treated are AD, mild cognitive impairment (MCI; a common precursor to AD), and memory loss or cognitive impairment associated with vascular dementias, amnesia, dementia, AIDS dementia, Huntington's Disease, hydrocephalus, depression, Pick's Disease, Creutzfeldt-Jakob Syndrome, electroconvulsive therapy, or Parkinson's Disease.