EP1928886B1 — Pyridine derivatives and their use in the treatment of psychotic disorders

USPTO Abstract

There are provided according to the invention novel compounds of formula (I) or a pharmaceutically acceptable salt thereof: (I) wherein: X represents a nitrogen atom; Y represents -C(H2)-, (-C(H2)-)2, -S(O2)- or -C(=O)-; Z represents -C(H2)-, -S(O2)-, -N(Rz)-, or an oxygen or sulphur atom; A represents hydrogen or -CH2OH; Rz represents hydrogen, C1-6 alkyl, C1-6 alkoxy, -COR7 or -SO2R7; R1 represents halogen, C1-6 alkyl, C1-6 alkoxy, =O, haloC1-6 alkyl, haloC1-6 alkoxy, hydroxyl or -CH2OH; m represents an integer from 0 to 3; R2 represents halogen, =O, C1-6 alkyl (optionally substituted by one or more hydroxyl groups), -COOR7, -CONR7R8, C1-6 alkoxy, haloC1-6 alkyl, haloC1-6 alkoxy or C1-6 alkyloC1-6 alkyl; n represents an integer from 0 to 3; p and q independently represent an integer from 0 to 2; R3 represents an -aryl, -heteroaryl, -heterocyclyl, -aryl-aryl, -aryl-heteroaryl, -aryl-heterocyclyl, -heteroaryl-aryl, -heteroaryl-heteroaryl, -heteroaryl-heterocyclyl, -heterocyclyl-aryl, -heterocyclyl-heteroaryl or -heterocyclyl-heterocyclyl group, all of which may be optionally substituted by one or more (e.g. 1, 2 or 3) halogen, C1-6 alkyl (optionally substituted by one or more hydroxyl groups), C3-8 cycloalkyl, C1-6 alkoxy, hydroxyl, haloC1-6 alkyl, haloC1-6 alkoxy, cyano, -S-C1-6 alkyl, -SO-C1-6 alkyl, -SO2-C1-6 alkyl, -COR7, -CONR7R8, -NR7R8, -NR7COC1-6 alkyl, -NR7SO2-C1-6 alkyl, C1-6 alkyl-NR7R8, -OCONR7R8 , -NR7CO2R8 or -SO2NR7R8 groups; R4 and R5 independently represent C1-6 alkyl, or R4 and R5 together with the carbon atom to which they are attached may together form a C3-8cycloalkyl group; R6 represents halogen, C1-6 alkyl, C3-8cycloalkyl, C1-6 alkoxy, haloC1-6 alkyl or haloC1-6 alkoxy; s represents an integer from 0 to 4; R7 and R8 independently represent hydrogen, C1-6 alkyl or C3-8cycloalkyl; or solvates thereof.