QUINOLINE DERIVATIVES AND THEIR USE AS 5-HT6 LIGANDS

摘要

The present invention relates to quinoline compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1 and R2 independently represent hydrogen or C1-6 alkyl or R1 is linked to R2 to form a group (CH2)2, (CH2)3 or (CH2)4; R3, R4 and R5 independently represent hydrogen, halogen, cyano, -CF3, -CF3O, C1-6 alkyl, C1-6 alkoxy, C1-6 alkanoyl or a group -CONR6R7; m represents an integer from 1 to 4, such that when m is an integer greater than 1, two R2 groups may instead be linked to form a group CH2, (CH2)2 or (CH2)3; n represents an integer from 1 to 3; p represents 1 or 2; A represents a group -Ar1 or -Ar2Ar3; Ar1, Ar2 and Ar3 independently represent and aryl group or a heteroaryl group, both of which may be optionally substituted by one or more substituents having pharmacological activity, to processes for their preparation, to compositions containing them and to their use in the treatment of CNS and other disorders.