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 thei r use in the treatment of CNS and other disorders.