WNT PATHWAY MODULATORS

摘要

The present invention relates to dihydropyrazolo[1,5-a]pyrimidine compounds of formula I, defined herein, as WNT pathways modulators, processes for making them, and pharmaceutical compositions comprising them. Methods of treatment of conditions mediated by WNT pathway signalling including cancer, fibrosis, stem cell and diabetic retinopathy, rheumatoid arthritis, psoriasis and myocardial infarction, comprising the compounds of formula I are also provided.;

主权项

1. A compound of formula (I),or a pharmaceutically acceptable salt, solvate or polymorph thereof, including all tautomers and stereoisomers thereof wherein:
R1 represents H; optionally substituted alkyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkoxy, NH2, —NHC1-3alkyl and —N(C1-3alkyl)2); —C(O)Oalkyl; haloalkyl; haloalkoxy; or -alkylaryl; each R2 independently represents H; optionally substituted alkyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkoxy, NH2, —NHC1-3alkyl and —N(C1-3alkyl)2); -alkylaryl; optionally substituted carbocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, C1-6haloalkyl, C1-6haloalkoxy and halo); optionally substituted heterocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, —C(O)OC1-6alkyl, —C(O)C1-6alkyl and —C(O)NHC1-6alkyl); —NHalkyl; —N(alkyl)2; amino; hydroxyl; alkoxy or halo; n represents 0, 1 or 2; R3 represents H or alkyl; R4 represents H or alkyl; R5 represents H or alkyl; W and X each independently represent C═O; C═S; or CH2; Y represents aryl; heteroaryl; optionally substituted carbocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, C1-6haloalkyl, C1-6haloalkoxy and halo); or optionally substituted heterocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, —C(O)OC1-6alkyl, —C(O)C1-6alkyl and —C(O)NHC1-6alkyl); and Z represents optionally substituted alkyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkoxy, NH2, —NHC1-3alkyl and —N(C1-3alkyl)2); aryl; heteroaryl; -alkylaryl; -alkylheteroaryl; optionally substituted carbocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, C1-6haloalkyl, C1-6haloalkoxy and halo); optionally substituted heterocyclyl (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, —C(O)OC1-6alkyl, —C(O)C1-6alkyl and —C(O)NHC1-6alkyl); -alkylcarbocyclyl wherein carbocyclyl is optionally substituted (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, C1-6haloalkoxy and halo); -alkylheterocyclyl wherein heterocyclyl is optionally substituted (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, —C(O)OC1-6alkyl, —C(O)C1-6alkyl and —C(O)NHC1-6alkyl); -arylcarbocyclyl wherein carbocyclyl is optionally substituted (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, C1-6alkoxy, C1-6haloalkoxy and halo); or -arylheterocyclyl wherein heterocyclyl is optionally substituted (wherein optional substituents include one or more substituents each independently selected from C1-6alkyl, —C(O)OC1-6alkyl, —C(O)C1-6alkyl and —C(O)NHC1-6alkyl).