Certain 1,3-disubstituted isoquinoline derivatives
申请人:Eisai Co., Ltd.
公开号:US20040204421A1
公开(公告)日:2004-10-14
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.
The present provides a condensed pyridine compound (I) represented by the following formula:
1
ring A represents benzene ring, pyridine ring, thiophene ring or furan ring; and
B represents
2
its pharmaceutically acceptable salt or hydrates thereof, which isa clinically useful medicament having a serotonin antagonism, in particular, that for treating, ameliorating or preventing spastic paralysis or central muscle relaxants for ameliorating myotonia.
Clinically highly useful drugs having an antagonism to serotonin, in particular, central muscle relaxing drugs for treating, ameliorating or preventing spastic paralysis or ameliorating myotonia and comprising fused pyridine derivatives represented by general formula (I), pharmacologically acceptable salts thereof or hydrates of either (I) or (1), wherein the ring A represents a benzene, pyridine, thiophene or furan ring; and B represents (2).