申请人:Hagihara Masahiko
公开号:US20110039891A1
公开(公告)日:2011-02-17
A method for treating a disease in which Rho kinase is involved. The method is carried out by administering to a patient in need thereof a pharmaceutically effective amount of a compound of the following formula or a pharmaceutically acceptable salt thereof:
wherein the ring X is a benzene ring or a pyridine ring; R
1
and R
2
are hydrogen or alkyl or together form a cycloalkene ring; R
3
is hydrogen, substituted alkyl, unsubstituted alkenyl, carboxyl or an ester or an amide thereof, amino or a cyano; R
4
is hydrogen, hydroxyl, substituted or unsubstituted alkoxy, unsubstituted alkenyloxy, unsubstituted cycloalkyloxy substituted or unsubstituted alkyl, unsubstituted alkenyl, unsubstituted cycloalkyl, amino, substituted or unsubstituted alkylamino, nitro, cyano or a monocyclic heterocycle; and R
5
is a halogen atom or a hydrogen atom.