| 主权项 |
1. A compound of the formula I:or a pharmaceutically acceptable salt thereof,wherein:
X is: —NRa—; or —O— wherein Ra is hydrogen or C1-6alkyl; R1 is: C1-6alkyl; C2-6alkenyl; C2-6alkynyl; halo-C1-6alkyl; C1-6alkoxy-C1-6alkyl; hydroxy-C1-6alkyl; amino-C1-6alkyl; C1-6alkylsulfonyl-C1-6alkyl; C3-6cycloalkyl optionally substituted one or more times with C1-6alkyl; C3-6cycloalkyl-C1-6alkyl wherein the C3-6cycloalkyl portion is optionally substituted one or more times with C1-6alkyl; heterocyclyl optionally substituted one or more times with R7; or heterocyclyl-C1-6alkyl optionally substituted one or more times with R7, wherein the heterocyclyl is piperidinyl, piperazinyl, morpholinyl, tetrahydropyranyl, pyrrolidinyl, tetrahydrofuranyl or oxetanyl; or X and R1 together form C1-6alkyl; C1-6alkoxy-C1-6alkyl; C3-6cycloalkyl optionally substituted one or more times with R6; or C3-6cycloalkyl-C1-6alkyl wherein the C3-6cycloalkyl portion is optionally substituted one or more times with R6; or R1 and Ra together with the atoms to which they are attached may form a three- to six-membered ring optionally substituted one or more times with R7; R2 is: halo; cyano; or halo-C1-6alkyl; R3 is: hydrogen; C1-6alkyl; halo-C1-6alkyl; C2-6alkenyl; C2-6alkynyl; hydroxy-C1-6alkyl; C1-6alkoxy-C1-6alkyl; cyano-C1-6alkyl; C1-6alkylsulfonyl; C1-6alkylsulfonylC1-6alkyl; amino-C1-6alkyl; C3-6cycloalkyl optionally substituted one or more times with R6; C3-6cycloalkyl-C1-6alkyl wherein the C3-6cycloalkyl portion is optionally substituted one or more times with R6; C3-6cycloalkyl-sulfonyl wherein the C3-6cycloalkyl portion is optionally substituted one or more times with R6; heterocyclyl optionally substituted one or more times with R7; heterocyclyl-C1-6alkyl wherein the heterocyclyl portion is optionally substituted one or more times with R7, wherein the heterocyclyl is piperidinyl, pyrrolidinyl, oxetanyl, tetrahydropyranyl, tetrahydrofuranyl, azetidinyl, [1,3]dioxolanyl or tetrahydrothiopyranyl; aryl optionally substituted one or more times with R8; aryl-C1-6alkyl wherein the aryl portion is optionally substituted one or more times with R8; heteroaryl optionally substituted one or more times with R8; heteroaryl-C1-6alkyl wherein the heteroaryl portion is optionally substituted one or more times with R8; or —Y—C(O)—Rd; Y is C2-6alkylene or a bond; Rd is C1-6alkyl, C1-6alkoxy, amino, C1-6alkyl-amino, di-C1-6alkyl-amino, halo-C1-6alkyl-amino, di-halo-C1-6alkyl-amino, halo-C1-6alkyl, hydroxy-C1-6alkyl, hydroxy, C1-6alkoxy-C1-6alkyl, cyano-C1-6alkyl, C1-6alkylsulfonylC1-6alkyl, amino-C1-6alkyl, C3-6cycloalkyl optionally substituted one or more times with R6, C3-6cycloalkyl-C1-6alkyl wherein the C3-6cycloalkyl portion is optionally substituted one or more times with R6-heterocyclyl optionally substituted one or more times with R7, or heterocyclyl-C1-6alkyl wherein the heterocyclyl portion is optionally substituted one or more times with R7, wherein the heterocyclyl is piperidinyl, piperazinyl, morpholinyl, tetrahydropyranyl, pyrrolidinyl, azetidinyl, tetrahydrofuranyl or oxetanyl; R4 is: chloro; or methyl; R5 is: hydrogen; or C1-6alkyl; each R6 is independently: C1-6alkyl; halo-C1-6alkyl; C1-6alkoxy; oxo; cyano; halo; or Y—C(O)—Rd; each R7 is independently: C1-6alkyl; halo-C1-6alkyl; halo; oxo; C1-6alkoxy; C1-6alkylsulfonyl; C1-6 alkoxy-C1-6alkyl; cyano; —Y—C(O)—Rd; heterocyclyl; heterocyclyl-C1-6alkyl; C3-6cycloalkyl; C3-6cycloalkyl-C1-6alkyl; or C3-6cycloalkylsulfonyl, wherein the heterocyclyl is piperidinyl, pyrrolidinyl, oxetanyl, tetrahydropyranyl, tetrahydrofuranyl, azetidinyl, [1,3]dioxolanyl or tetrahydrothiopyranyl; and each R8 is independently: oxo; C1-6alkyl; halo-C1-6alkyl; halo; C1-6alkyl-sulfonyl; C1-6alkoxy; C1-6alkoxy-C1-6alkyl; cyano; heterocyclyl; heterocyclyl-C1-6 alkyl; —Y—C(O)—Rd; C3-6cycloalkyl, C3-6cycloalkyl-C1-6alkyl, or C3-6cycloalkyl-sulfonyl, wherein the heterocyclyl moiety is piperidinyl, piperazinyl, morpholinyl, thiomorpholinyl, pyrrolidinyl, oxetanyl, tetrahydropyranyl, tetrahydrofuranyl, azetidinyl, [1,3]dioxolanyl or tetrahydrothiopyranyl. |
