Biphenyl derivatives

Details Biphenyl derivatives Biphenyl derivatives

C - Chemistry, Metallurgy

07

D

C07D 295/00 (2006.01) A61K 31/495 (2006.01) C07D 213/26 (2006.01) C07D 213/30 (2006.01) C07D 213/38 (2006.01) C07D 213/50 (2006.01) C07D 213/70 (2006.01) C07D 295/02 (2006.01) C07D 295/073 (2006.01) C07D 295/088 (2006.01) C07D 295/096 (2006.01) C07D 295/112 (2006.01) C07D 295/135 (2006.01) C07D 295/155 (2006.01) C07D 295/205 (2006.01) C07D 295/26 (2006.01) C07D 307/14 (2006.01) C07D 307/52 (2006.01) C07D 319/06 (2006.01) C07D 339/08 (2006.01) C07D 401/02 (2006.01) C07D 403/02 (2006.01) C07D 405/10 (2006.01)

Patent

CA 2144669

A biphenyl derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof: Image (I) wherein R1 represents a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a lower alkyl group, a halogenated lower alkyl group, a lower alkoxy group, a halogenated lower alkoxy group, a lower alkoxyalkyl. group, a lower alkoxyalkoxy group, an aryl group, an aralkyl group, a heteroaryl group, a heteroarylalkyl group, a halogenated heteroarylalkyl group, a cyano lower alkyl group, a hydroxy lower alkyl group, an amino lower alkyl group, a lower alkoxycarbonyl group, an aryloxycarbonyl group, a cyano group, a formyl group, a lower acyl group, an aralkylcarbonyl group, cycloether group, an alkenyl group, an alkynyl group. a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower alkylaminosulfonyl group, an arylarnino- sulfonyl group, a lower alkylsulfonylamino group, a halogenated lower alkylsulfonylamino group or an arylsulfonylamino group; R2 and R3 may be the same or different from each other and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a halogenated lower alkyl group, a lower alkoxy group, a halogenated lower alkoxy group or a cyano group; R4 represents a hydrogen atom or a halogen atom; R5 represents a hydrogen atom, a lower alkyl group, a halogenated lower alkyl group, a hydroxy lower alkyl group, a lower alkoxycarbonyl group or an aryloxy- carbonyl group; and n is 0 or an integer of 1 to 3, which exhibits dopamine 2 receptor antagonism and/or serotonin 2 receptor antagonism, is clinically useful for treating and ameliorating mental disorders such as cerebrovascular disorder, aggressive behavior due to senile dementia, mental excitation, poriomania, delirium, hallucination, hyperkinesia, schizophrenia, emotional disturbance, depression, neurosis, psycho- physiologic disorder and anxiety neurosis.

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