申请人:Fisons Corporation
公开号:US05607935A1
公开(公告)日:1997-03-04
Compounds of formula (I), wherein A represents CH.dbd.CH; Q represents pyrazine having substituents R.sup.6 and R.sup.7 ; R.sup.1 represents H or C.sub.1-6 alkyl; R.sup.2 represents H, C.sub.1-6 alkyl, C.sub.3-6 alkenyl, C.sub.3-6 alkynyl, C.sub.3-6 cycloalkyl or NH.sub.2 CH.sub.2 CO--; R.sup.3 represents H, C.sub.1-6 alkyl, C.sub.3-6 alkenyl or C.sub.3-6 alkynyl; R.sup.4 and R.sup.5 independently represent H, OH, C.sub.1-6 alkoxy, C.sub.1-6 alkyl, halogen, trifluoromethyl or NR.sup.8 R.sup.9 ; R.sup.6 and R.sup.7 independently represent H, OH, C.sub.1-6 alkoxy, C.sub.1-6 alkyl, halogen, trifluoromethyl, C.sub.1-6 hydroxyalkyl, amidino, CONH.sub.2 or NR.sup.8 R.sup.9 ; in addition, R.sup.6 and R.sup.7 may independently represent O when substituted on N; R.sup.8 and R.sup.9 independently represent H or C.sub.1-6 alkyl; and pharmaceutically acceptable derivatives thereof. The compounds are useful as pharmaceuticals, in particular in the treatment of neurological disorders.
式(I)的化合物,其中A代表CH.dbd.CH;Q代表带有取代基R.sup.6和R.sup.7的吡嗪;R.sup.1代表H或C.sub.1-6烷基;R.sup.2代表H,C.sub.1-6烷基,C.sub.3-6烯基,C.sub.3-6炔基,C.sub.3-6环烷基或NH.sub.2 CH.sub.2 CO--;R.sup.3代表H,C.sub.1-6烷基,C.sub.3-6烯基或C.sub.3-6炔基;R.sup.4和R.sup.5独立地代表H,OH,C.sub.1-6烷氧基,C.sub.1-6烷基,卤素,三氟甲基或NR.sup.8 R.sup.9;R.sup.6和R.sup.7独立地代表H,OH,C.sub.1-6烷氧基,C.sub.1-6烷基,卤素,三氟甲基,C.sub.1-6羟基烷基,酰胺基,CONH.sub.2或NR.sup.8 R.sup.9;此外,当在N上取代时,R.sup.6和R.sup.7可以独立地代表O;R.sup.8和R.sup.9独立地代表H或C.sub.1-6烷基;及其药学上可接受的衍生物。这些化合物可用作药物,特别是用于治疗神经系统疾病。