1-oxa-3-azaspiro (4.5) decan-2-one and 1-oxa-3,8-diazaspiro (4.5) decan-2-one derivatives for the treatment of eating disorders

摘要

The present invention relates to novel compounds of formula (I), or a pharmaceutically acceptable salt or solvate thereof, wherein R is an aryl or heteroaryl; which may be substituted by one or more: halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy, cyano; W is CZ1 or nitrogen; Z1 is hydrogen, C1-C4 alkyl; A is a 5 membered heteroaryl, pyrazine, pyrimidine, or quinoline or quinazoline which may be substituted by one or more: halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy, cyano; B is hydrogen or a 5-10 membered aryl or heteroaryl which may be substituted by one or more: halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy, cyano; being A and B linked via any atom; provided that when W is CZ1, compounds of formula (I) have a trans stereochemistry; processes for their preparation, intermediates used in these processes, pharmaceutical compositions containing them and their use in therapy, as NPY Y5 receptor antagonists and as agents for the treatment and/or prophylaxis of eating disorders such as a binge eating disorder.