Amino indole compounds useful as TLR inhibitors

A compound of Formula (I)

• N-oxide, or a salt thereof, wherein:
• G is:
• (i)
• (ii)
• (iii)
• (iv) a 9-membered heterocyclic ring selected from:
• or
• (v) 10-membered heterocyclic ring selected from:
• R1 is H, Cl, —CN, C1-4 alkyl, C1-3 fluoroalkyl, C1-3 hydroxyalkyl, C1-3 hydroxy-fluoroalkyl, —CRv═CH2, C3-6 cycloalkyl, —CH2(C3-6 cycloalkyl), —C(O)O(C1-3 alkyl), or tetrahydropyranyl;
• each R2 is independently halo, —CN, —OH, —NO2, C1-4 alkyl, C1-2 fluoroalkyl, C1-2 cyanoalkyl, C1-3 hydroxyalkyl, C1-3 aminoalkyl, —O(CH2)1-2OH, —(CH2)0-4O(C1-4 alkyl), C1-3 fluoroalkoxy, —(CH2)1-4O(C1-3 alkyl), —O(CH2)1-2OC(O)(C1-3 alkyl), —O(CH2)1-2NRxRx, —C(O)O(C1-3 alkyl), —(CH2)0-2C(O)NRyRy, —C(O)NRx(C1-5 hydroxyalkyl), —C(O)NRx(C2-6 alkoxyalkyl), —C(O)NRx(C3-6 cycloalkyl), —NRyRy, —NRy(C1-3 fluoroalkyl), —NRy(C1-4 hydroxyalkyl), —NRxCH2(phenyl), —NRxS(O)2(C3-6 cycloalkyl), —NRxC(O)(C1-3 alkyl), —NRxCH2(C3-6 cycloalkyl), —(CH2)0-2S(O)2(C1-3 alkyl), —(CH2)0-2(C3-6 cycloalkyl), —(CH2)0-2(phenyl), morpholinyl, dioxothiomorpholinyl, dimethyl pyrazolyl, methylpiperidinyl, methylpiperazinyl, amino-oxadiazolyl, imidazolyl, triazolyl, or —C(O)(thiazolyl);
• R2a is C1-6 alkyl, C1-3 fluoroalkyl, C1-6 hydroxyalkyl, C1-3 aminoalkyl, —(CH2)0-4O(C1-3 alkyl), C3-6 cycloalkyl, —(CH2)1-3C(O)NRxRx, —CH2(C3-6 cycloalkyl), —CH2(phenyl), tetrahydrofuranyl, tetrahydropyranyl, or phenyl;
• each R2b is independently H, halo, —CN, —NRxRx, C1-6 alkyl, C1-3 fluoroalkyl, C1-3 hydroxyalkyl, C1-3 fluoroalkoxy, —(CH2)0-2O(C1-3 alkyl), —(CH2)0-3C(O)NRxRx, —(CH2)1-3(C3-6 cycloalkyl), —C(O)O(C1-3 alkyl), —C(O)NRx(C1-3 alkyl), —CRx═CRxRx, or —CRx═CH(C3-6 cycloalkyl);
• R2c is R2a or R2b;
• R2d is R2a or R2b;
• provided that one of R2c and R2d is R2a, and the other of R2c and R2 is R2b;
• each R5 is independently F, Cl, —CN, C1-3 alkyl, C1-2 fluoroalkyl, or —OCH3;
• R7 is:
• (i) R7a, —CH2R7a, —C(O)R7a, —C(O)CH(NH2)R7a, —C(O)(CH2)1-3NH2, —C(O)CH(NH2)(C1-4 alkyl), —C(O)CH(NH2)(CH2)1-2C(O)OH, —C(O)CH(NH2)(CH2)2-4NH2, or —C(O)CH(NH2)(CH2)1-3C(O)NH2;
• or
• (ii) C3-6 cycloalkyl substituted with one substituent selected from —NRx(CH2)2-3NRyRy, —NRx(methylpiperidinyl), —NRx(CH2)2-3(morpholinyl), dimethylamino piperidinyl, and piperazinyl substituted with a substituent selected from C1-4 alkyl, —C(O)CH3, —(CH2)1-2OCH3, —CH2(methylphenyl), —(CH2)2-3(pyrrolidinyl), C3-6 cycloalkyl, pyridinyl, and methylpiperidinyl;
• R7a is azaspiro[3.5]nonanyl, C3-6 cycloalkyl, diazaspiro[3.5]nonanyl, diazaspiro[5.5]undecanyl, diazepanonyl, diazepanyl, morpholinyl, phenyl, piperazinyl, piperidinyl, pyrrolidinonyl, pyrrolidinyl, or pyrrolyl, each substituted with zero to 1 substituent selected from C1-3 alkyl, —NH2, methylpiperidinyl, methylpyrrolidinyl, —OCH2CH2(pyrrolidinyl), and —OCH2CH2NHCH2CH3;
• and zero to 4 substituents selected from —CH3;
• R7b is:
• (i) C1-4 alkyl, C1-3 hydroxyalkyl, —(CH2)2-3C≡CH, —(CH2)1-2O(C1-2 alkyl), —(CH2)1-2S(O)2(C1-2 alkyl), —(CH2)0-3NRxRy, —CH2C(O)NRxRx, —NRx(C1-4 hydroxyalkyl), —NRy(C1-2 cyanoalkyl), —NRx(C1-2 fluoroalkyl), —NRx(C2-4 hydroxyfluoroalkyl), —NRx(CH2)0-2C(O)NRxRx, —NRx(CH2)1-3NRxRx, —NRxCH2CH2NRxRx, —NRxC(O)(CH2)1-2NRxRx, —O(CH2)1-3NRxRx, —C(O)CH2NRxRx, —(CH2)1-2R7d, —NHR7d, —NH(CH2)1-2R7d, or —OR7d;
• or
• (ii) azepanyl, azetidinyl, diazepanyl, dioxothiomorpholinyl, morpholinyl, oxaazaspiro[3.3]heptanyl, oxetanyl, piperazinonyl, piperazinyl, piperidinyl, pyridinyl, pyrrolidinonyl, pyrrolidinyl, or tetrahydroisoquinolinyl, each substituted with zero to 1 R8a and zero to 3 R8b;
• each R7c is independently F, Cl, —CN, C1-2 alkyl, —CF3, or —CH2CN;
• R7d is azaspiro[3.5]nonanyl, bicyclo[1.1.1]pentanyl, C3-6 cycloalkyl, morpholinyl, oxetanyl, phenyl, piperidinyl, pyrazolyl, pyrrolidinyl, tetrahydrofuranyl, or tetrahydropyranyl, each substituted with zero to 1 substituent selected from C1-3 alkyl, —NRxRx, —C(O)CH3, methylpiperidinyl, methylpyrrolidinyl, tetramethylpiperidinyl, —OCH2CH2(pyrrolidinyl), and —OCH2CH2NHCH2CH3;
• and zero to 4 substituents selected from —CH3;
• R8 is H or C1-3 alkyl;
• or R7 and R8 together with the nitrogen atom to which they are attached form a heterocyclic ring selected from azetidinyl, diazepanonyl, diazepanyl, diazaspiro[3.5]nonanyl, diazaspiro[5.5]undecanyl, imidazolyl, imidazolidinonyl, octahydro-1H-pyrrolo[3,4-b]pyridinyl, piperazinyl, piperidinyl, pyrrolidinonyl, pyrrolidinyl, and pyrrolyl, wherein said heterocyclic ring is substituted with zero to 1 R7b and zero to 2 R7c;
• R8a is —OH, C1-6 alkyl, C1-4 fluoroalkyl, C1-4 hydroxyalkyl, —(CH2)1-2O(C1-3 alkyl), —C(O)(C1-3 alkyl), —(CH2)1-2(C3-6 cycloalkyl), —(CH2)1-3(methyl phenyl), —(CH2)1-3(pyrrolidinyl), —(CH2)1-3(methylpyrazolyl), —(CH2)1-3(thiophenyl), —NRxRx, C3-6 cycloalkyl, methylpiperidinyl, pyridinyl, or pyrimidinyl;
• each R8b is independently F, Cl, —CN, C1-3 alkyl, or —CF3;
• Rv is H, C1-2 alkyl, or C1-2 fluoroalkyl;
• each Rx is independently H or —CH3;
• each Ry is independently H or C1-6 alkyl;
• n is zero, 1, or 2;
• and
• p is zero, 1, 2, 3, or 4.