IP Library › Granted Patent US 12,486,267
Granted Patent B2
US 12,486,267 · App. 18/042,036 · Granted Dec 2, 2025

Imidazo[1,2-A]pyridine and [1,2,4]triazolo[1,5-A]pyridine derivatives as TLR9 inhibitors for the treatment of fibrosis

Inventors: David S. Yoon (Ambler, PA); Alicia Regueiro-Ren (New Hope, PA); Andrew P. Degnan (Jamison, PA); Gang Wu (Princeton, NJ)
Assignee: Bristol-Myers Squibb Company
C07D471/04
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Quick Facts
Patent No.
US 12,486,267
App. No.
18/042,036
Granted
Dec 2, 2025
Kind
B2
Abstract

The present invention relates to imidazo[1,2-a]pyridine and [1,2,4]triazolo[1, 5-a]pyridine derivatives of formula (I) or a salt thereof. The present compounds are inhibitors of TLR9 and useful in treating preventing, or slowing fibrotic diseases, such as e.g. liver fibrosis, renal fibrosis, biliary fibrosis or pancreatic fibrosis, nonalcoholic steatohepatitis (NASH), non-alcoholic fatty liver disease (NAFLD), chronic kidney disease, diabetic kidney disease, primary sclerosing cholangitis (PSC) or primary biliary cirrhosis (PBC), or idiopathic pulmonary fibrosis (IPF).

Claims (191)

1 . A compound of Formula (II):

or stereoisomer, tautomer, solvate or salt thereof, wherein:

X is N or CR 3 ;

one of Q 1 and Q 2 is A and the other of Q 1 and Q 2 is R 5 ;

G is phenyl substituted with —S(O) 2 CH 3 , —S(O) 2 (phenyl), —S(O) 2 NR x R x , or —S(O)(NH)NR x R x ;

A is cyclohexyl, piperidinyl, phenyl, pyridinyl, pyrimidinyl, 6-azabicyclo[3.2.1]octanyl, or azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 and zero to 1 R 4b ;

L is a bond, —CR x R x — or —C(O)(CR x R x ) 0-2 —;

R 3 is hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

R 4 is:

(i) —N(CH 3 ) 2 ;

(ii) pyrrolidinyl, piperidinyl, piperazinyl, azepanyl, pyridinyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with zero to 2 R 4a ; or

each R 4a is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —(CH 2 ) 0-2 O(C 1-2 alkyl), C 3-6 cycloalkyl, —CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(C 3-6 cycloalkyl), —C(O)(phenyl), —C(O)CH 2 (C 3-6 cycloalkyl), —C(O)CH 2 (phenyl), —C(O)O(C 1-4 alkyl), oxetanyl, tetrahydrofuran, or tetrahydropyranyl;

R 4b is F, Cl, or —CH 3 ;

each R 4c is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(phenyl), —C(O)CH 2 (phenyl), —C(O)OCH 2 CH 3 , or C 3-6 cycloalkyl;

each R 5 is independently hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

each R x is independently hydrogen or —CH 3 ;

m is zero, 1, or 2;

n is zero, 1, or 2; and

q is 1 or 2.

2 . The compound according to claim 1 or stereoisomer, tautomer, solvate or salt thereof, wherein X is CR 3 .

3 . The compound according to claim 1 or stereoisomers, tautomer, solvates or salts thereof, wherein X is N.

4 . The compound according to claim 1 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is phenyl substituted —S(O) 2 CH 3 ;

A is cyclohexyl, piperidinyl, phenyl, or 6-azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 ;

L is a bond;

R 3 is hydrogen;

R 4 is piperidinyl, piperazinyl, azepanyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with R 4a ;

R 4a is —CH(CH 3 ) 2 , —CH 2 CH(CH 3 ) 2 , —CH 2 CH 2 OCH 3 , —C(O)CH(CH 3 ) 2 , —C(O)(cyclopropyl), —CH 2 (cyclopropyl), —CH 2 (cyclobutyl), cyclopropyl, cyclobutyl, oxetanyl, or tetrahydropyranyl; and

each R 5 is hydrogen, F, or —CH 3 .

5 . The compound according to claim 1 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is

6 . The compound according to claim 1 or stereoisomer, tautomer, solvate or salt thereof, wherein said compound is:

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (7);

6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (8);

6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (9);

6-(1-(8-isopropyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (62-63);

7-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-5-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (66);

8-fluoro-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (67);

8-fluoro-6-(1-(8-isopropyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (68-69);

7-fluoro-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (70);

8-fluoro-6-(1-(1-isopropylazepan-4-yl)piperidin-4-yl)-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (71-72);

5-fluoro-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (73);

8-fluoro-7-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (74);

6-(1-(8-cyclobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (83-84);

6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (85-86);

6-(1-(8-(cyclopropylmethyl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (87-88);

6-(1-(8-(cyclobutylmethyl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (89-90);

6-(1′-cyclobutyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (91);

6-(1′-(cyclopropylmethyl)-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (92);

6-(1′-(cyclobutylmethyl)-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (93);

6-(4-(4-isobutylpiperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (99);

6-(4-(4-(cyclopropylmethyl) piperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (100);

6-(4-(4-(cyclobutylmethyl) piperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (101);

6-(4-(4-cyclobutylpiperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (102);

8-methyl-2-(4-(methylsulfonyl)phenyl)-6-(4-(4-(oxetan-3-yl) piperazin-1-yl) phenyl)imidazo[1,2-a]pyridine (103);

8-methyl-2-(4-(methylsulfonyl)phenyl)-6-(4-(4-(tetrahydro-2H-pyran-4-yl) piperazin-1-yl)phenyl)imidazo[1,2-a]pyridine (104);

6-(4-(4-(2-methoxyethyl) piperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (105);

7-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-5-methyl-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (106);

8-fluoro-6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (107);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (108);

6-(1′-(cyclopropylmethyl)-[1,4′-bipiperidin]-4-yl)-8-fluoro-2-(4-(methylsulfonyl) phenyl)imidazo[1,2-a]pyridine (109);

6-(1′-cyclobutyl-[1,4′-bipiperidin]-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (110);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-6-(1′-(oxetan-3-yl)-[1,4′-bipiperidin]-4-yl) imidazo[1,2-a]pyridine (111);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-6-(1′-(tetrahydro-2H-pyran-4-yl)-[1,4′-bipiperidin]-4-yl)imidazo[1,2-a]pyridine (112);

8-fluoro-6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (113-114);

6-(1-(8-(cyclopropylmethyl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (115-116);

6-(1-(8-cyclobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (117);

6-(1-(8-cyclobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (118);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-6-(1-(8-(oxetan-3-yl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)imidazo[1,2-a]pyridine (119-120);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-6-(1-(8-(tetrahydro-2H-pyran-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)imidazo[1,2-a]pyridine (121-122);

7-fluoro-6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (123);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-7-fluoro-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (124);

8-fluoro-6-(1-(1-isobutylazepan-4-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (125-126);

6-(1-(1-(cyclopropylmethyl) azepan-4-yl)piperidin-4-yl)-8-fluoro-2-(4-(methylsulfonyl)phenyl)imidazo[1,2-a]pyridine (127-128);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-6-(1-(1-(tetrahydro-2H-pyran-4-yl) azepan-4-yl)piperidin-4-yl)imidazo[1,2-a]pyridine (129-130);

5-fluoro-6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (131);

8-fluoro-7-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-2-(4-(methylsulfonyl)phenyl) imidazo[1,2-a]pyridine (132);

8-fluoro-2-(4-(methylsulfonyl)phenyl)-7-(1′-(tetrahydro-2H-pyran-4-yl)-[1,4′-bipiperidin]-4-yl)imidazo[1,2-a]pyridine (133);

6-(4-(4-isopropylpiperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (147);

6-(4-(8-isopropyl-3,8-diazabicyclo[3.2.1]octan-3-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (153);

6-(8-(1-cyclopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (159);

6-(8-(1-isopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (160);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (161);

6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (162);

6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (163); or

6-(4-(4-isopropylpiperazin-1-yl)phenyl)-2-(4-(methylsulfonyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (167).

7 . A compound of Formula (III):

or stereoisomer tautomer, solvate or salt thereof, wherein:

X is N or CR 3 ;

one of Q 1 and Q 2 is A and the other of Q 1 and Q 2 is R 5 ;

G is phenyl substituted with 1 to 3 substituents independently selected from F, Cl, Br, C 1-2 alkoxy, C 1-2 fluoroalkoxy, C 3-4 cycloalkyl, —C(O)NR y R y , —S(O) 2 CH 3 , —S(O) 2 (phenyl), —S(O) 2 NR x R x , and —S(O) (NH) NR x R x ;

A is cyclohexyl, piperidinyl, phenyl, pyridinyl, pyrimidinyl, 6-azabicyclo[3.2.1]octanyl, or azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 and zero to 1 R 4b ;

L is a bond, —CR x R x — or —C(O)(CR x R x ) 0-2 —;

R 3 is hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

R 4 is:

(i) —N(CH 3 ) 2 ;

(ii) pyrrolidinyl, piperidinyl, piperazinyl, azepanyl, pyridinyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with zero to 2 R 4a ; or

each R 4a is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —(CH 2 ) 0-2 O(C 1-2 alkyl), C 3-6 cycloalkyl, CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(C 3-6 cycloalkyl), —C(O)(phenyl), —C(O)CH 2 (C 3-6 cycloalkyl), —C(O)CH 2 (phenyl), —C(O)O(C 1-4 alkyl), oxetanyl, tetrahydrofuran, or tetrahydropyranyl;

R 4b is F, Cl, or —CH 3 ;

each R 4c is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(phenyl), —C(O)CH 2 (phenyl), —C(O)OCH 2 CH 3 , or C 3-6 cycloalkyl;

each R 5 is independently hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

each R x is independently hydrogen or —CH 3 ;

each R y is independently hydrogen or C 1-6 alkyl;

m is zero, 1, or 2;

n is zero, 1, or 2; and

q is 1 or 2.

8 . The compound according to claim 7 or stereoisomer, tautomer, solvate or salt, wherein X is CR 3 .

9 . The compound according to claim 7 or stereoisomer, tautomer, solvate or salt, wherein X is N.

10 . The compound according to claim 7 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is phenyl substituted with 1 to 2 substituents independently selected from F, —OCH 3 , and —S(O) 2 CH 3 ;

A is cyclohexyl, piperidinyl, phenyl, or 6-azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 ;

L is a bond;

R 3 is hydrogen;

R 4 is piperidinyl, piperazinyl, azepanyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with R 4a ;

R 4a is —CH(CH 3 ) 2 , —CH 2 CH(CH 3 ) 2 , —CH 2 CH 2 OCH 3 , —C(O)CH(CH 3 ) 2 , —C(O)(cyclopropyl), CH 2 (cyclopropyl), CH 2 (cyclobutyl), cyclopropyl, cyclobutyl, oxetanyl, or tetrahydropyranyl; and

each R 5 is hydrogen, F, or —CH 3 .

11 . The compound according to claim 7 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is

12 . The compound according to claim 7 or stereoisomer, tautomer, solvate or salt thereof, wherein said compound is:

2-(3,4-dimethoxyphenyl)-6-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (31-33);

2-(3,4-dimethoxyphenyl)-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (34-36);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (37-38);

1-(4-(2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-yl)-[1,4′-bipiperidin]-1′-yl)-2-methylpropan-1-one (39-41);

cyclopropyl(4-(2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-yl)-[1,4′-bipiperidin]-1′-yl) methanone (42-44);

−(3,4-dimethoxyphenyl)-6-(1-(2-isopropyl-2-azaspiro[3.3] heptan-6-yl)piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (45-47);

6-(1-(2-cyclobutyl-2-azaspiro[3.3] heptan-6-yl)piperidin-4-yl)-2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (48-50);

6-(1-(2-(cyclopropylmethyl)-2-azaspiro[3.3] heptan-6-yl)piperidin-4-yl)-2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (51);

2-(3,4-dimethoxyphenyl)-6-(1-(2-isobutyl-2-azaspiro[3.3] heptan-6-yl)piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (52-54);

6-(1′-(cyclopropylmethyl)-[1,4′-bipiperidin]-4-yl)-2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (55-57);

2-(3,4-dimethoxyphenyl)-7-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (58);

2-(3,4-dimethoxyphenyl)-7-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (59);

(6R)-2-(3,4-dimethoxyphenyl)-6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl) piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (75-76);

(6S)-2-(3,4-dimethoxyphenyl)-6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl) piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (77-78);

(6R)-6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (79-80);

(6S)-6-(1-(8-isobutyl-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (81-82);

(6R)-2-(3,4-dimethoxyphenyl)-6-(1-(8-isopropyl-8-azabicyclo[3.2.1]octan-3-yl) piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (134-135);

(6S)-2-(3,4-dimethoxyphenyl)-6-(1-(8-isopropyl-8-azabicyclo[3.2.1]octan-3-yl) piperidin-4-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (136-137);

(6R)-6-(1-(8-(cyclopropylmethyl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (138-139);

(6S)-6-(1-(8-(cyclopropylmethyl)-8-azabicyclo[3.2.1]octan-3-yl)piperidin-4-yl)-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (140-141);

2-(3,4-dimethoxyphenyl)-6-(4-(4-isopropylpiperazin-1-yl) cyclohexyl)-8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (143);

2-(3,4-dimethoxyphenyl)-6-(4-(4-isopropylpiperazin-1-yl)phenyl)-8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (144);

6-(8-(1-cyclopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-2-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (145);

2-(3,4-dimethoxyphenyl)-6-(8-(1-isopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (148);

6-(4-(4-isopropylpiperazin-1-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (150);

2-(3,4-dimethoxyphenyl)-6-(4-(8-isopropyl-3,8-diazabicyclo[3.2.1]octan-3-yl) phenyl)-8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (152); or

6-(4-(8-isopropyl-3,8-diazabicyclo[3.2.1]octan-3-yl)phenyl)-8-methyl-2-(4-(methylsulfonyl)phenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (154).

13 . A compound of Formula (IIb):

or stereoisomer, tautomer, solvate or salt thereof, wherein:

one of Q 1 and Q 2 is A and the other of Q 1 and Q 2 is R 5 ;

G is phenyl substituted with 1 to 3 substituents independently selected from F, Cl, Br, C 1-2 alkoxy, C 1-2 fluoroalkoxy, C 3-4 cycloalkyl, or —C(O)NR y R y ;

A is cyclohexyl, piperidinyl, phenyl, pyridinyl, pyrimidinyl, 6-azabicyclo[3.2.1]octanyl, or azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 and zero to 1 R 4b ;

L is a bond, —CR x R x — or —C(O)(CR x R x ) 0-2 —;

R 3 is hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

R 4 is:

(i) —N(CH 3 ) 2 ;

(ii) pyrrolidinyl, piperidinyl, piperazinyl, azepanyl, pyridinyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with zero to 2 R 4a ; or

each R 4a is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —(CH 2 ) 0-2 O(C 1-2 alkyl), C 3-6 cycloalkyl, —CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(C 3-6 cycloalkyl), —C(O)(phenyl), —C(O)CH 2 (C 3-6 cycloalkyl), —C(O)CH 2 (phenyl), —C(O)O(C 1-4 alkyl), oxetanyl, tetrahydrofuran, or tetrahydropyranyl;

R 4b is F, Cl, or —CH 3 ;

each R 4c is independently C 1-6 alkyl, C 1-3 fluoroalkyl, —CH 2 (C 3-6 cycloalkyl), —C(O)(C 1-4 alkyl), —C(O)(phenyl), —C(O)CH 2 (phenyl), —C(O)OCH 2 CH 3 , or C 3-6 cycloalkyl;

each R 5 is independently hydrogen, F, Cl, C 1-3 alkyl, C 1-2 fluoroalkyl, or C 3-4 cycloalkyl;

each R x is independently hydrogen or —CH 3 ;

m is zero, 1, or 2;

n is zero, 1, or 2; and

q is 1 or 2.

14 . The compound according to claim 13 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is phenyl substituted with 1 to 2 substituents independently selected from F or —OCH 3 ;

A is cyclohexyl, piperidinyl, phenyl, or 6-azabicyclo[3.2.1]octanyl, each substituted with -L-R 4 ;

L is a bond;

R 3 is hydrogen;

R 4 is piperidinyl, piperazinyl, azepanyl, azaspiro[3.3]heptanyl, azabicyclo[3.2.1]octanyl, or diazabicyclo[3.2.1]octanyl, each substituted with R 4a ;

R 4a is —CH(CH 3 ) 2 , —CH 2 CH(CH 3 ) 2 , —CH 2 CH 2 OCH 3 , —C(O)CH(CH 3 ) 2 , —C(O)(cyclopropyl), CH 2 (cyclopropyl), CH 2 (cyclobutyl), cyclopropyl, cyclobutyl, oxetanyl, or tetrahydropyranyl; and

each R 5 is hydrogen, F, or —CH 3 .

15 . The compound according to claim 14 or stereoisomer, tautomer, solvate or salt thereof, wherein:

G is

16 . The compound according to claim 14 or stereoisomer, tautomer, solvate or salt thereof, wherein said compound is:

2-(3,4-dimethoxyphenyl)-7-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-[1,2,4]triazolo[1,5-a] pyridine (60);

2-(3,4-dimethoxyphenyl)-7-(1′-isobutyl-[1,4′-bipiperidin]-4-yl)-[1,2,4]triazolo[1,5-a] pyridine (61);

2-(3,4-dimethoxyphenyl)-6-(4-(4-isopropylpiperazin-1-yl)phenyl)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (142);

6-(8-(1-cyclopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-2-(3,4-dimethoxyphenyl)-[1,2,4]triazolo[1,5-a]pyridine (146);

2-(3,4-dimethoxyphenyl)-6-(8-(1-isopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-y1)-[1,2,4]triazolo[1,5-a]pyridine (149);

2-(3,4-dimethoxyphenyl)-6-(4-(8-isopropyl-3,8-diazabicyclo[3.2.1]octan-3-yl)phenyl)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (151);

6-(8-(1-cyclopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-yl)-2-(3,4-dimethoxyphenyl)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (155);

2-(3,4-dimethoxyphenyl)-6-(8-(1-isopropylpiperidin-4-yl)-8-azabicyclo[3.2.1]octan-3-y1)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (156);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-2-(3,4-dimethoxyphenyl)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (157);

2-(3,4-dimethoxyphenyl)-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-8-methyl-[1,2,4]triazolo[1,5-a]pyridine (158);

6-(1′-cyclopropyl-[1,4′-bipiperidin]-4-yl)-2-(3,4-dimethoxyphenyl)-[1,2,4]triazolo[1,5-a]pyridine (164);

2-(3,4-dimethoxyphenyl)-6-(1′-isopropyl-[1,4′-bipiperidin]-4-yl)-[1,2,4]triazolo[1,5-a] pyridine (165); or

2-(3,4-dimethoxyphenyl)-6-(4-(8-isopropyl-8-azabicyclo[3.2.1]octan-3-yl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine (166).

17 . A pharmaceutical composition comprising a compound according to claim 1 or stereoisomer, tautomer, solvate or salt thereof; and a pharmaceutically acceptable carrier.

18 . A pharmaceutical composition comprising a compound according to claim 7 or stereoisomer, tautomer, solvate or salt thereof; and a pharmaceutically acceptable carrier.

19 . A pharmaceutical composition comprising a compound according to claim 13 or stereoisomer, tautomer, solvate or salt thereof; and a pharmaceutically acceptable carrier.

Continuity (2)
Provisional Application 63067452 · Aug 19, 2020
Related Publication 20240067638A1 · Feb 29, 2024
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