IP Library Granted Patent US 10,085,984
Granted Patent B2
US 10,085,984 · App. 15/857,950 · Granted Oct 2, 2018

Metalloenzyme inhibitor compounds

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Quick Facts
Patent No.
US 10,085,984
App. No.
15/857,950
Granted
Oct 2, 2018
Kind
B2
Abstract

Provided are compounds having metalloenzyme modulating activity, and methods of treating diseases, disorders or symptoms thereof mediated by such metalloenzymes.

Claims (214)

1. A compound of Formula I:

or a pharmaceutically acceptable salt thereof; wherein

A is N or CR 5 ;

W is N or CR 6 ;

X is N or CR 6 ;

Y is N or CR 6 ;

Z is N or CR 6 ;

provided that no more than two of W, X, Y, and Z are N;

R 1 is halogen, cyano, acyl, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl, heterocycloalkylalkyl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CH 2 NHSO 2 R d , CO 2 R e , COR f , S(O)R d , S(O) 2 R d , CH 2 OR f , or CR e R f OH, wherein any R 1 can be optionally substituted with 1-3 independent substituents R 7 ;

R 2 is hydrogen, halogen, cyano, alkyl, or haloalkyl;

or R 1 and R 2 together with the atoms to which they are attached form an aryl, heterocycloalkyl, or cycloalkyl ring;

R 3 is hydrogen, cyano, acyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl, heterocycloalkylalkyl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CH 2 NHSO 2 R d , CO 2 R e , COR f , CH 2 OR f , or CR e R f OH;

R 4 is alkyl, cycloalkyl, or haloalkyl;

R 5 is hydrogen, alkyl, haloalkyl, heteroalkyl, or cycloalkyl;

each occurrence of R 6 is, independently, hydrogen, halogen, cyano, haloalkyl, alkyl, cycloalkyl, alkoxy, haloalkyl, or carboxyl;

each occurrence of R 7 is, independently, halogen, alkyl, alkoxy, haloalkyl, carboxyl, aryl, aryl substituted with 1-3 independent halogen, —(CH 2 )nC(O)NR g R h , —S(O) 2 R i , —CO 2 R j , or NR g R h ,

each n is independently 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10;

each occurrence of R a , R b , R c , R d , R e , and R f is, independently, hydrogen, acyl, alkoxyalkyl, alkyl, alkenyl, alkynyl, heteroalkyl, haloalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C(O)OC 1-6 alkyl, C(O)C 1-6 alkyl, a nitrogen protecting group when attached to a nitrogen atom, or an oxygen protecting group when attached to an oxygen atom; or R a and R b together with the atoms to which they are attached form a heterocycloalkyl ring; or R e and R f together with the atoms to which they are attached form a cycloalkyl ring; and

each occurrence of R g , R h , R i , and R j is, independently, hydrogen, acyl, alkyl, alkenyl, alkynyl, heteroalkyl, haloalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C(O)OC 1-6 alkyl, C(O)C 1-6 alkyl, or R g and R h together with the atoms to which they are attached form a heterocycloalkyl ring.

2. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 1 is halogen, cyano, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CH 2 NHSO 2 R d , COR f , or CR e R f OH; or R 1 and R 2 together with the atoms to which they are attached form an aryl ring.

3. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 1 is halogen, alkyl, alkenyl, haloalkyl, alkoxy, haloalkoxy, cycloalkoxy, aryl, NR a R b , CH 2 NHSO 2 R d , or CR e R f OH; or R 1 and R 2 together with the atoms to which they are attached form an aryl ring.

4. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein:

R 1 is halogen, alkyl, haloalkyl, CH 2 NHSO 2 R d , or NR a R b ; and

R a , R b , and R d are, independently, hydrogen, alkyl, or haloalkyl.

5. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 1 is haloalkyl.

6. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 2 is hydrogen or alkyl.

7. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 4 is alkyl or cycloalkyl.

8. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 4 is C 1-4 alkyl or C 3-5 cycloalkyl.

9. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein each R 6 is, independently, hydrogen, halogen, cyano, alkoxy, haloalkyl, or carboxyl.

10. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein each R 6 is, independently, hydrogen, halogen, or cyano.

11. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein A is CR 5 and R 5 is hydrogen, C 1-4 alkyl, or C 3-5 cycloalkyl.

12. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein A is N.

13. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein no more than one of W, X, Y, and Z is N.

14. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein W, X, Y, and Z are each independently CR 6 .

15. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein Z is N.

16. The compound of claim 1 , wherein the compound is of Formula I-a:

or a pharmaceutically acceptable salt thereof.

17. The compound of claim 15 , or a pharmaceutically acceptable salt thereof, wherein A is N.

18. The compound of claim 1 , wherein the compound is of Formula I-b:

or a pharmaceutically acceptable salt thereof.

19. The compound of claim 1 , wherein the compound is of Formula I-c:

or a pharmaceutically acceptable salt thereof.

20. The compound of claim 1 , wherein the compound is of Formula I-d:

or a pharmaceutically acceptable salt thereof.

21. The compound of claim 1 , wherein the compound is of Formula I-e:

or a pharmaceutically acceptable salt thereof.

22. The compound of claim 1 , wherein the compound is of Formula I-f:

or a pharmaceutically acceptable salt thereof.

23. The compound of claim 1 , wherein the compound is of Formula I-g:

or a pharmaceutically acceptable salt thereof.

24. The compound of claim 1 selected from the group consisting of:

5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazine-3-carbonitrile (2);

2-(6-chloropyridazin-4-yl)-1-cyclopropyl-6-fluoro-1H-benzo[d]imidazole (3);

1-cyclopropyl-6-fluoro-2-(6-vinylpyridazin-4-yl)-1H-benzo[d]imidazole (4);

methyl 5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazine-3-carboxylate (5);

1-cyclopropyl-2-(6-ethylpyridazin-4-yl)-6-fluoro-1H-benzo[d]imidazole (6);

1-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)-2,2,2-trifluoroethan-1-ol (7);

N-((5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)propionamide (8);

ethyl ((5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)carbamate (9);

4-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)morpholine (10);

1-cyclopropyl-6-fluoro-2-(6-(4-(4-fluorophenyl)piperazin-1-yl)pyridazin-4-yl)-1H-benzo[d]imidazole (11);

2-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)propan-2-ol (12);

5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)-N-(tetrahydro-2H-pyran-4-yl)pyridazin-3-amine (13);

4-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)cinnoline (14);

1-cyclopropyl-6-fluoro-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (15);

N-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)ethanesulfonamide (16);

2-(6-chloropyridazin-4-yl)-1-ethyl-1H-benzo[d]imidazole-6-carbonitrile (17);

2-(4-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)piperazin-1-yl)-N-isopropylacetamide (18);

1-cyclopropyl-5,6-difluoro-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (19);

2-(4-(5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)piperazin-1-yl)-1-(pyrrolidin-1-yl)ethan-1-one (20);

5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-N-methylpyridazin-3-amine (21);

2-(6-chloropyridazin-4-yl)-1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazole (22);

1-cyclopropyl-5,6-difluoro-2-(6-methoxypyridazin-4-yl)-1H-benzo[d]imidazole (23);

1-cyclopropyl-5,6-difluoro-2-(6-isopropoxypyridazin-4-yl)-1H-benzo[d]imidazole (24);

5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-N,N-dimethylpyridazin-3-amine (25);

1-ethyl-6-fluoro-2-(6-methylpyridazin-4-yl)-1H-indole (26);

1-cyclopropyl-5,6-difluoro-2-(6-(2,2,2-trifluoroethoxy)pyridazin-4-yl)-1H-benzo[d]imidazole (27);

5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-N-(2-methoxyethyl)pyridazin-3-amine (28);

1-cyclopropyl-2-(6-methoxypyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (29);

1-cyclopropyl-6-fluoro-2-(6-methylpyridazin-4-yl)-1H-indole (30);

N-((5-(1-cyclopropyl-6-fluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)ethanesulfonamide (31);

5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-N-(2,2,2-trifluoroethyl)pyridazin-3-amine (32);

1-cyclopropyl-2-(6-ethylpyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (33);

2-(6-chloropyridazin-4-yl)-1-cyclopropyl-1H-benzo[d]imidazole-6-carbonitrile (34);

1-cyclopropyl-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (35);

1-cyclopropyl-5,6-difluoro-2-(6-(4-methylpiperazin-1-yl)pyridazin-4-yl)-1H-benzo[d]imidazole (36);

1-(4-(5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)piperazin-1-yl)ethan-1-one (37);

1-cyclopropyl-5,6-difluoro-2-(6-(4-(methylsulfonyl)piperazin-1-yl)pyridazin-4-yl)-1H-benzo[d]imidazole (38);

1 tert-butyl 4-(5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)piperazine-1-carboxylate (39);

1-ethyl-2-(6-methoxypyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (40);

1-ethyl-2-(6-ethylpyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (41);

1-cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (42);

2-(6-cyclobutoxypyridazin-4-yl)-1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazole (43);

1-cyclopropyl-2-(6-(4,4-difluoropiperidin-1-yl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (44);

5-chloro-3-cyclopropyl-2-(6-methylpyridazin-4-yl)-3H-imidazo[4,5-b]pyridine (45);

1-cyclopropyl-2-(6-(3,3-difluoropyrrolidin-1-yl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (46);

1-(5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)-2,2,2-trifluoroethan-1-ol (47);

1-(5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)-N,N-dimethylpyrrolidin-3-amine (48);

1-cyclopropyl-5,6-difluoro-2-(6-(4-fluorophenyl)pyridazin-4-yl)-1H-benzo[d]imidazole (49);

1-cyclopropyl-5,6-difluoro-2-(6-((4-fluorophenyl)ethynyl)pyridazin-4-yl)-1H-benzo[d]imidazole (50);

1-cyclopropyl-5,6-difluoro-2-(6-isopropylpyridazin-4-yl)-1H-benzo[d]imidazole (51);

N-((5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl) ethanesulfonamide (52);

1-cyclopropyl-5,6-difluoro-2-(6-((1,1,1-trifluoropropan-2-yl)oxy)pyridazin-4-yl)-1H-benzo[d]imidazole (53);

3-cyclopropyl-2-(6-methylpyridazin-4-yl)-3H-imidazo[4,5-b]pyridine-5-carbonitrile (54);

1-cyclopropyl-2-(6-(2,2-difluoropropoxy)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (57);

1-cyclopropyl-2-(6-cyclopropylpyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (59);

2-(6-chloropyridazin-4-yl)-3-cyclopropyl-5-methoxy-3H-imidazo[4,5-b]pyridine (60);

1-cyclopropyl-5,6-difluoro-2-(6-(4-fluoro-2-methylphenyl)pyridazin-4-yl)-1H-benzo[d]imidazole (61);

1-cyclopropyl-2-(6-(2,4-difluorophenyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (62);

1-cyclopropyl-2-(6-(3,4-difluorophenyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (63);

1-(5-(1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)ethan-1-one (64);

2-(6-chloropyridazin-4-yl)-1-ethyl-5,6-difluoro-1H-benzo[d]imidazole (65);

1-cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (66);

2-(6-(difluoromethyl)pyridazin-4-yl)-1-ethyl-5,6-difluoro-1H-benzo[d]imidazole (67);

2-(6-chloropyridazin-4-yl)-1-ethyl-1H-benzo[d]imidazole-6-carbonitrile (68);

2-(6-(difluoromethyl)pyridazin-4-yl)-1-ethyl-1H-benzo[d]imidazole-6-carbonitrile (69);

1-cyclopropyl-2-(6-(1,1-difluoroethyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (70);

1-cyclopropyl-5,6-difluoro-2-(6-(2,2,2-trifluoroethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (71);

2-(6-Cyclopropylpyridazin-4-yl)-1-ethyl-5,6-difluoro-1H-benzo[d]imidazole (72);

5-Chloro-3-cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-3H-imidazo[4,5-b]pyridine (73);

1-Cyclopropyl-2-(6-cyclopropylpyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (75);

3-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-3H-imidazo[4,5-b]pyridine-5-carbonitrile (76);

N-((5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)methane sulfonamide (77);

N-((5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)-N-methylmethanesulfonamide (78);

N-((5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)propane-2-sulfonamide (79);

1-Cyclopropyl-5,6-difluoro-2-(6-(methylsulfonyl)pyridazin-4-yl)-1H-benzo[d]imidazole (80);

1-Cyclopropyl-2-(6-(ethylsulfonyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (81);

1-Cyclopropyl-5,6-difluoro-2-(6-(methylsulfinyl)pyridazin-4-yl)-1H-benzo[d]imidazole (82);

1-cyclopropyl-2-(6-(ethylsulfinyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (83);

5-Chloro-3-cyclopropyl-2-(6-cyclopropylpyridazin-4-yl)-3H-imidazo[4,5-b]pyridine (84);

1-Cyclopropyl-5,6-difluoro-2-(6-(trifluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (85);

1-Cyclopropyl-2-(6-(trifluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (86);

3-Cyclopropyl-2-(6-cyclopropylpyridazin-4-yl)-3H-imidazo[4,5-b]pyridine-5-carbonitrile (87);

2-((5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methyl)isothiazolidine 1,1-dioxide (88);

3-Cyclopropyl-2-(6-(trifluoromethyl)pyridazin-4-yl)-3H-imidazo[4,5-b]pyridine-5-carbonitrile (89);

1-cyclopropyl-2-(6-methylpyridazin-4-yl)-6-(trifluoromethyl)-1H-benzo[d]imidazole (90);

and pharmaceutically acceptable salts thereof.

25. A pharmaceutical composition comprising a compound of claim 1 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

26. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 3 is hydrogen.

27. A compound of Formula I:

or a pharmaceutically acceptable salt thereof; wherein

A is N or CR 5 ;

W is N or CR 6 ;

X is N or CR 6 ;

Y is N or CR 6 ;

Z is N or CR 6 ;

provided that no more than two of W, X, Y, and Z are N;

R 1 is halogen, cyano, acyl, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl, heterocycloalkylalkyl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CR e R f NHSO 2 R d , OR f , SR f , CO 2 R e , COR f , S(O)R d , S(O) 2 R d , CH 2 OR f , or CR e R f OH, wherein any R 1 can be optionally substituted with 1-3 independent substituents R 7 ;

R 2 is hydrogen, halogen, cyano, alkyl, or haloalkyl;

or R 1 and R 2 together with the atoms to which they are attached form an aryl, heterocycloalkyl, or cycloalkyl ring;

R 3 is hydrogen, cyano, acyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl, heterocycloalkylalkyl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CH 2 NHSO 2 R d , CO 2 R e , COR f , CH 2 OR f , or CR e R f OH;

R 4 is alkyl, cycloalkyl, or haloalkyl;

R 5 is hydrogen, cyano, alkyl, haloalkyl, heteroalkyl, or cycloalkyl;

each occurrence of R 6 is, independently, hydrogen, halogen, cyano, haloalkyl, alkyl, cycloalkyl, alkoxy, haloalkyl, OR f , or carboxyl;

each occurrence of R 7 is, independently, halogen, alkyl, alkoxy, haloalkyl, carboxyl, cycloalkyl, aryl, aryl substituted with 1-3 independent halogen, —(CH 2 )nC(O)NR g R h , —S(O) 2 R i , —CO 2 R j , or NR g R h ,

each n is independently 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10;

each occurrence of R a , R b , R c , R d , R e , and R f is, independently, hydrogen, acyl, alkoxyalkyl, alkyl, alkenyl, alkynyl, heteroalkyl, haloalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C(O)OC 1-6 alkyl, C(O)C 1-6 alkyl, a nitrogen protecting group when attached to a nitrogen atom, or an oxygen protecting group when attached to an oxygen atom; or R a and R b together with the atoms to which they are attached form a heterocycloalkyl ring; or R e and R f together with the atoms to which they are attached form a cycloalkyl ring; and

each occurrence of R g , R h , R i , and R j is, independently, hydrogen, acyl, alkyl, alkenyl, alkynyl, heteroalkyl, haloalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C(O)OC 1-6 alkyl, C(O)C 1-6 alkyl, or R g and R h together with the atoms to which they are attached form a heterocycloalkyl ring.

28. The compound of claim 27 , or a pharmaceutically acceptable salt thereof, wherein R 1 is halogen, cyano, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, cycloalkyl, cycloalkoxy, aryl, NR a R b , NHSO 2 R c , CH 2 NR a R b , CR e R f NHSO 2 R d , SR f , COR f , or CR e R f OH; or R 1 and R 2 together with the atoms to which they are attached form an aryl or cycloalkyl ring.

29. The compound of claim 27 , or a pharmaceutically acceptable salt thereof, wherein R 1 is halogen, alkyl, alkenyl, haloalkyl, alkoxy, haloalkoxy, cycloalkoxy, aryl, NR a R b , CR e R f NHSO 2 R d , SR f , or CR e R f OH; or R 1 and R 2 together with the atoms to which they are attached form an aryl or cycloalkyl ring.

30. The compound of claim 27 , or a pharmaceutically acceptable salt thereof, wherein:

R 1 is halogen, alkyl, haloalkyl, CR e R f NHSO 2 R d , SR f , or NR a R b ; and

R a , R b , R d , R e , and R f are, independently, hydrogen, alkyl, or haloalkyl.

31. The compound of claim 27 selected from the group consisting of:

N-(1-(5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)ethyl) methanesulfonamide (91);

1-Cyclopropyl-5,6-difluoro-2-(6-(fluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (92);

1-Cyclopropyl-2-(5,6-dimethylpyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (93);

(5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)methanol (94);

5-Chloro-3-cyclopropyl-2-(6-(trifluoromethyl)pyridazin-4-yl)-3H-imidazo[4,5-b]pyridine (95);

N-(1-(5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)ethyl) ethanesulfonamide (96);

2-(6-Butylpyridazin-4-yl)-1-cyclopropyl-5,6-difluoro-1H-benzo[d]imidazole (97);

1-Cyclopropyl-6-methyl-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (98);

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-6,7-difluoro-1H-benzo[d]imidazole (101);

5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazine-3-thiol (102);

2-(6-(Difluoromethyl)pyridazin-4-yl)-5,6-difluoro-1-methyl-1H-benzo[d]imidazole (104);

2-(6-(Difluoromethyl)pyridazin-4-yl)-5,6-difluoro-1-propyl-1H-benzo[d]imidazole (105);

4-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-5,6,7,8-tetrahydrocinnoline (106);

1-Cyclopropyl-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole-5-carbonitrile (Ex. 107);

1-Cyclobutyl-5,6-difluoro-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (108);

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazol-6-ol (109);

5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazine-3-carboxylic acid (110);

1-Cyclopropyl-7-fluoro-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (111);

5-Chloro-1-cyclopropyl-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (112);

4-Chloro-1-cyclopropyl-2-(6-methylpyridazin-4-yl)-1H-benzo[d]imidazole (113);

1-Cyclopropyl-5,6-difluoro-2-(6-(methoxymethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (114);

Methyl 5-(6-cyano-1-cyclopropyl-1H-benzo[d]imidazol-2-yl)pyridazine-3-carboxylate (115);

5-(6-Cyano-1-cyclopropyl-1H-benzo[d]imidazol-2-yl)pyridazine-3-carboxylic acid (116);

1-Cyclopropyl-2-(6-(cyclopropylmethoxy)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (117);

1-Cyclopropyl-2-(6-(2,2,2-trifluoroethoxy)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (118);

6-Chloro-1-cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-5-fluoro-1H-benzo[d]imidazole (119);

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-5-fluoro-1H-benzo[d]imidazole-6-carbonitrile (120);

4-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridazine (121);

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-6-fluoro-1H-benzo[d]imidazole (122);

1-Cyclopropyl-5,6-difluoro-2-(6-(methylthio)pyridazin-4-yl)-1H-benzo[d]imidazole (123);

1-Cyclopropyl-5,6-difluoro-2-(6-(isopropylthio)pyridazin-4-yl)-1H-benzo[d]imidazole (124);

1-Cyclopropyl-2-(6-((difluoromethyl)thio)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (125);

5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-ol (126);

1-Cyclopropyl-2-(6-(difluoromethoxy)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (127);

1-(5-(1-Cyclopropyl-5,6-difluoro-1H-benzo[d]imidazol-2-yl)pyridazin-3-yl)ethan-1-ol (128);

1-Cyclopropyl-5,6-difluoro-2-(6-(1-fluoroethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (129);

1-Cyclopropyl-5,6-difluoro-2-(6-((trifluoromethyl)thio)pyridazin-4-yl)-1H-benzo[d]imidazole (130)

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole (131);

2-(6-(Difluoromethyl)pyridazin-4-yl)-1-propyl-1H-benzo[d]imidazole (132);

1-Cyclopropyl-2-(6-(difluoromethoxy)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (133);

1-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-1H-indole-3-carbonitrile (134);

2-(6-(Difluoromethyl)pyridazin-4-yl)-1-methyl-1H-indole-3-carbonitrile (135);

1-Cyclopropyl-2-(6-(1-fluoroethyl)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (136); and pharmaceutically acceptable salts thereof.

32. The compound of claim 27 , or a pharmaceutically acceptable salt thereof, wherein R 3 is hydrogen.

33. A pharmaceutical composition comprising a compound of claim 26 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

34. A compound selected from the group consisting of:

1-cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-5,6-difluoro-1H-benzo[d]imidazole (42);

3-Cyclopropyl-2-(6-(difluoromethyl)pyridazin-4-yl)-3H-imidazo[4,5-b]pyridine-5-carbonitrile (76);

1-Cyclopropyl-2-(6-(trifluoromethyl)pyridazin-4-yl)-1H-benzo[d]imidazole-6-carbonitrile (86); and pharmaceutically acceptable salts thereof.

35. A pharmaceutical composition comprising a compound of claim 34 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

Assignments (13)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2026
From: CORXEL PHARMACEUTICALS HONG KONG LIMITED
To: CORXEL PHARMACEUTICALS LIMITED
Reel/Frame 073958/0018 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2026
From: CORXEL PHARMACEUTICALS LIMITED
To: CORXEL PHARMACEUTICALS, INC.
Reel/Frame 073958/0129 →
CHANGE OF NAME Recorded Mar 14, 2025
From: JI XING PHARMACEUTICALS HONG KONG LIMITED
To: CORXEL PHARMACEUTICALS HONG KONG LIMITED
Reel/Frame 070523/0516 →
CORRECTION OF ERROR IN ASSIGNEE ADDRESS AS LISTED IN COVER SHEET PREVIOUSLY RECORDED AT REEL/FRAME 062691/0373 Recorded Jun 6, 2023
From: PHASEBIO PHARMACEUTICALS, INC.
To: JI XING PHARMACEUTICALS HONG KONG LIMITED
Reel/Frame 063873/0889 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 14, 2023
From: PHASEBIO PHARMACEUTICALS, INC.
To: JI XING PHARMACEUTICALS HONG KONG LIMITED
Reel/Frame 062691/0373 →
RELEASE OF SECURITY INTEREST Recorded Jan 13, 2023
From: JMB CAPITAL PARTNERS LENDING, LLC
To: PHASEBIO PHARMACEUTICALS, INC.
Reel/Frame 062376/0850 →
SECURITY INTEREST Recorded Oct 31, 2022
From: PHASEBIO PHARMACEUTICALS, INC.
To: JMB CAPITAL PARTNERS LENDING, LLC
Reel/Frame 061601/0001 →
SECURITY INTEREST Recorded Oct 10, 2022
From: PHASEBIO PHARMACEUTICALS, INC.
To: JMB CAPITAL PARTNERS LENDING, LLC
Reel/Frame 061367/0674 →
PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Nov 12, 2020
From: PHASEBIO PHARMACEUTICALS, INC.
To: SFJ PHARMACEUTICALS X, LTD.
Reel/Frame 054401/0188 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2020
From: SELENITY THERAPEUTICS (BERMUDA), LTD.
To: PHASEBIO PHARMACEUTICALS, INC.
Reel/Frame 053280/0207 →
CHANGE OF NAME Recorded Dec 21, 2018
From: VIAMET PHARMACEUTICALS (BERMUDA), LTD.
To: SELENITY THERAPEUTICS (BERMUDA), LTD.
Reel/Frame 047978/0274 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 13, 2018
From: SPARKS, STEVEN; YATES, CHRISTOPHER M.; SHAVER, SAMMY R.; HOEKSTRA, WILLIAM J.
To: VIAMET PHARMACEUTICALS (NC), INC.
Reel/Frame 044910/0053 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 13, 2018
From: VIAMET PHARMACEUTICALS (NC), INC.
To: VIAMET PHARMACEUTICALS (BERMUDA), LTD.
Reel/Frame 044910/0123 →
Cited By (2)
US 12,358,893 US 12,458,642