Condensed pyridine compounds represented by formula (I):
1
wherein: R
1
and R
3
are, independently, hydrogen, halogen, lower alkyl, or lower alkoxy; R
2
represents an amino substituent; ring A is a benzene ring, pyridine ring, thiophene ring, or furan ring; and B represents a substituent containing a ring structure. Also, pharmaceutically acceptable salt and hydrates thereof. These compounds are clinically useful medicaments having serotonin antagonism, and in particular, for treating, ameliorating, or preventing spastic paralysis. They are also useful as central muscle relaxants for ameliorating myotonia.
公式(I)表示的浓缩
吡啶化合物:1其中:R1和R3独立地表示
氢、卤素、较低的烷基或较低的烷
氧基;R2表示
氨基取代基;环A是
苯环、
吡啶环、
噻吩环或
呋喃环;B表示含有环结构的取代基。此外,还包括其药学上可接受的盐和
水合物。这些化合物是具有
血清素拮抗作用的临床有用药物,特别是用于治疗、改善或预防痉挛性瘫痪。它们还可用作中枢肌肉松弛剂,以改善肌强直。