主权项 |
1. A compound of formula (I):wherein:
A is a monocyclic or bicyclic 5- to 8-membered heterocyclic ring having one ring carbon replaced by N as shown, said ring optionally mono- or bi-substituted on one or more ring carbons independently with a C1-C6 alkyl group; X is —(CH2)n—, —O—, or —NH—; Y is —(CH2)p—, —O—, —S— or —SO2—, with the proviso that X and Y are not both a heteroatom; Z is —(CH2)q—; R1 is —C1-C6 alkyl, optionally substituted with one or more —OH, halogen or —CN,
phenyl, optionally mono- or bisubstituted independently with halogen, alkoxy, C1-C6 alkyl, —CN, alkylsulfonyloxy, alkylsulfonyl, halo-C1-C6 alkyl or C1-C5 cycloalkyl,cycloalkyl, optionally substituted,heterocycle, optionally substituted ora 5- or 6-membered heteroaryl group having one or more ring carbons independently replaced by N, O or S, said heteroaryl optionally mono- or bisubstituted independently with halogen, alkoxy, C1-C6 alkyl, —CN, nitrile or perfluorinated C1-C6 alkyl; R2 is a 5- to 7-membered heteroaryl group having one, two or three ring carbons independently replaced by N, O or S, said heteroaryl optionally mono- or bi-substituted independently with C1-C6 alkyl, —CN or (═O); n is 0 or 1; p is 0 or 1; and q is 0, 1 or 2,or a pharmaceutically acceptable salt thereof. |