Patent ID: 6680316
Filing Date: 2004-01-20
Classification: A61P,C07D

Abstract:
A pyridazin-3-one compound represented by the following formula (1): wherein Ar1 represents a lower alkoxyphenyl group, Ar2 represents a phenyl group having a lower alkoxy at least at the 4-position thereof, R1 represents a linear or branched alkyl group having 2 to 11 carbon atoms, a cycloalkyl group having 3 to 7 carbon atoms, a lower alkyl group substituted by one or more cycloalkyl groups having 3 to 7 carbon atoms, or a phenyl or phenyl (lower alkyl) group which may be substituted by one or more of halogen atoms, lower alkyl groups and lower alkoxy groups, and R2 represents a cyano group, a carboxyl group, a (lower alkoxy)carbonyl group, a substituted lower alkyl group or a substituted or unsubstituted carbamoyl group; or a salt thereof.