Patent ID: 6939887

Claim:
A benzimidazolidinone derivative of formula (1) or a pharmaceutically acceptable salt thereof: wherein R 1 is optionally substituted C 1 -C 3 alkyl, optionally substituted C 1 -C 3 alkoxy, C 1 -C 3 alkylthio, hydroxy, cyano, halogen or nitro; R 2 is hydrogen, optionally substituted C 1 -C 3 alkyl, optionally substituted C 1 -C 3 alkoxy, hydroxy, cyano or halogen; R 3 is optionally substituted C 1 -C 6 alkyl, optionally substituted C 3 -C 7 alkynyl, optionally substituted C 1 -C 6 alkoxy, carbamoyl, amino, hydroxy, cyano, nitro or halogen; R 4 is hydrogen, hydroxy, cyano, fluorine or chlorine; q is 0 or 1; R 5 is optionally substituted aryl; W 1 is a group represented by formula (2): wherein n is 1, 2 or 3; m is 0, 1, 2 or 3; R 6 and R 7 are each independently hydrogen, optionally substituted alkyl or optionally substituted cycloalkyl; or R 6 and R 7 are taken together to form optionally substituted saturated heterocyclic ring containing nitrogen(s); R 8 and R 9 are each independently hydrogen, optionally substituted alkyl or optionally substituted cycloalkyl; or R 8 and R 9 are taken together to form optionally substituted cycloalkane or optionally substituted saturated heterocyclic ring; or R 6 and R 8 are taken together to form optionally substituted saturated heterocyclic ring containing nitrogen(s); or R 7 and R 9 are taken together to form optionally substituted saturated heterocyclic ring containing nitrogen(s).