Kynurenic acid derivatives useful in the treatment of neurodegenerative disorders
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0303387A1
公开(公告)日:1989-02-15
4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, and their pharmaceutically acceptable salts, are potent specific antagonists of N-methyl-D-aspartate (NMDA) receptors and are therefore useful in the treatment of neurodegenerative disorders. 4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, other than carboxy or C₁₋₆ alkoxycarbonyl, are novel compounds, as also are compounds of formula II
wherein R² represents carboxy or a group convertible thereto in vivo, R⁶ is hydrogen and R⁵ and R⁷ represent C₁₋₆ alkyl or halogen, provided that R⁵ and R⁷ are not simultaneously chlorine or simultaneously bromine; a process for preparing the novel compounds is described, as also are pharmaceutical compositions containing the novel compounds.
Kynurenic acid derivatives useful in the treatment of neurodegenerative
申请人:Merck Sharp & Dohme Limited
公开号:US05270309A1
公开(公告)日:1993-12-14
4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, and their pharmaceutically acceptable salts, are potent specific antagonists of N-methyl-D-aspartate (NMDA) receptors and are therefore useful in the treatment of neurodegenerative disorders. 4-Oxo-1,4-dihydroquinoline compounds having a 2-acidic group or a group convertible thereto in vivo, other than carboxy or C.sub.1-6 alkoxycarbonyl, are novel compounds, as also are compounds of formula II ##STR1## wherein R.sup.2 represents carboxy or a group convertible thereto in vivo, R.sup.6 is hydrogen and R.sup.5 and R.sup.7 represent C.sub.1-6 alkyl or halogen, provided that R.sup.5 and R.sup.7 are not simultaneously chlorine or simultaneously bromine; a process for preparing the novel compounds is described, as also are pharmaceutical compositions containing the novel compounds.