HPK1 antagonists and uses thereof

1. A compound of formula I:

or a pharmaceutically acceptable salt thereof, wherein:

Z is CR or N;

X is —O—, —NR—, —S(O) 2 —, —S(O)—, —S(O)NR—, —C(O)—, —C(O)O—, —C(O)N(R)O—, —OC(O)—, —OC(O)NR—, or —N(R)C(O)O—;

R 1 is selected from phenyl; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur; and an 8-10 membered saturated or partially unsaturated bicyclic heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; each of which is substituted with q instances of R C ;

R 2 is selected from C 1-6 aliphatic; phenyl; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; and a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur; each of which is substituted with q instances of R C ; or R 2 is selected from —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —S(O)NR 2 , —C(O)R, —C(O)OR, —C(O)NR 2 , —C(O)N(R)OR, —OC(O)R, —OC(O)NR 2 , —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR 2 , —N(R)C(NR)NR 2 , —N(R)NR 2 , —N(R)S(O) 2 NR 2 , —N(R)S(O) 2 R, —N═S(O)R 2 , —S(NR)(O)R, and —N(R)S(O)R;

each instance of R 3 is independently hydrogen or an optionally substituted C 1-6 aliphatic group;

each instance of R C is independently oxo, halogen, —CN, —NO 2 , —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —S(O)NR 2 , —C(O)R, —C(O)OR, —C(O)NR 2 , —C(O)N(R)OR, —OC(O)R, —OC(O)NR 2 , —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR 2 , —N(R)C(NR)NR 2 , —N(R)NR 2 , —N(R)S(O) 2 NR 2 , —N(R)S(O) 2 R, —N═S(O)R 2 , —S(NR)(O)R, —N(R)S(O)R, —N(R)CN, —P(O)(R)NR 2 , —P(O)(R)OR or —P(O)R 2 ; or each instance of R C is independently an optionally substituted group selected from C 1-6 aliphatic; phenyl; naphthyl; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring; a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, phosphorous, silicon and sulfur; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; an 8-10 membered bicyclic heteroaryl ring having 1-5 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 5-8 membered saturated or partially unsaturated bridged bicyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 6-11 membered saturated or partially unsaturated spirocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; and a 6-11 membered saturated or partially unsaturated bicyclic heterocyclic ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; each of which is substituted with r instances of R and s instances of R D ;

each instance of R D is independently oxo, halogen, —CN, —NO 2 , —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —S(O)NR 2 , —C(O)R, —C(O)OR, —C(O)NR 2 , —C(O)N(R)OR, —OC(O)R, —OC(O)NR 2 , —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR 2 , —N(R)C(NR)NR 2 , —N(R)NR 2 , —N(R)S(O) 2 NR 2 , —N(R)S(O) 2 R, —N═S(O)R 2 , —S(NR)(O)R, —N(R)S(O)R, —N(R)CN, —P(O)(R)NR 2 , —P(O)(R)OR, or —P(O)R 2 ;

each R is independently hydrogen, —CN, halogen, or an optionally substituted group selected from C 1-6 aliphatic; phenyl; naphthyl; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring; a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; an 8-10 membered bicyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 7-12 membered saturated or partially unsaturated bicyclic heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 5-8 membered saturated or partially unsaturated bridged bicyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; a 6-10 membered saturated or partially unsaturated spirocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; and a 6-11 membered saturated or partially unsaturated bicyclic carbocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur; or:

two R groups on the same nitrogen are taken together with the nitrogen to form an optionally substituted 4-7 membered monocyclic saturated, partially unsaturated, or heteroaryl ring having, in addition to the nitrogen, 0-3 heteroatoms independently selected from nitrogen, oxygen, and sulfur; an 8-10 membered bicyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; or a 7-12 membered saturated or partially unsaturated bicyclic heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur;

m is 0, 1, or 2;

each q is independently 0, 1, 2, 3, or 4;

each r is independently 0, 1, 2, 3, or 4; and

each s is independently 0, 1, 2, 3, or 4.

2. The compound of claim 1 , wherein the compound is of formula II or formula V:

or a pharmaceutically acceptable salt thereof.

3. The compound of claim 1 , wherein the compound is of formula IV or formula VII:

or a pharmaceutically acceptable salt thereof.

4. The compound of claim 1 , wherein X is —NR—.

5. The compound of claim 1 , wherein R 1 is phenyl which is substituted with q instances of R C ; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring, which is substituted with q instances of R C ; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, which is substituted with q instances of R C ; or a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, which is substituted with q instances of R C .

6. The compound of claim 5 , wherein R 1 is phenyl or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, each of which is substituted with q instances of R C .

7. The compound of claim 1 , wherein R 1 is phenyl, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, isothiazolyl, isoxazolyl, morpholinyl, oxadiazolyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazolyl, 1,2,5-oxadiazolyl, 1,3,4-oxadiazolyl, oxazolidinyl, oxazolyl, oxazolidinyl, oxetanyl, pyrimidinyl, piperazinyl, piperidinyl, pyranyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyridazinyl, pyridinyl, pyridyl, pyrimidinyl, pyrrolidinyl, pyrrolinyl, 2H-pyrrolyl, pyrrolyl, tetrahydropyranyl, tetrahydropyranyl, thiazolyl, thienyl, triazinyl, 1,2,3-triazolyl, 1,2,4-triazolyl, 1,2,5-triazolyl, 1,3,4-triazolyl, oxetanyl, azetidinyl, or xanthenyl; each of which is substituted by q instances of R C .

8. The compound of claim 7 , wherein R 1 is phenyl, pyrazolyl, pyridinyl, pyrazinyl, or pyrimidinyl; each of which is substituted by q instances of R C .

9. The compound of claim 1 , wherein R 1 is

10. The compound of claim 1 , wherein R 1 is

11. The compound of claim 1 , wherein R 2 is C 1-6 aliphatic; phenyl; a 3-7 membered saturated or partially unsaturated monocyclic carbocyclic ring; a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur; or a 3-7 membered saturated or partially unsaturated monocyclic heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur; each of which is substituted with q instances of R C ; or R 2 is selected from —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —S(O)NR 2 , —C(O)R, —C(O)OR, and —C(O)NR 2 .

12. The compound of claim 11 , wherein R 2 is methyl, ethyl, n-propyl, i-Pr, n-Bu, s-Bu, t-Bu, straight chain or branched pentyl, straight chain or branched hexyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, phenyl, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, isothiazolyl, isoxazolyl, morpholinyl, oxadiazolyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazolyl; 1,2,5-oxadiazolyl, 1,3,4-oxadiazolyl, oxazolidinyl, oxazolyl, oxazolidinyl, oxetanyl, pyrimidinyl, piperazinyl, piperidinyl, pyranyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyridazinyl, pyridinyl, pyridyl, pyridine-one, pyrimidinyl, pyrrolidinyl, pyrrolinyl, 2H-pyrrolyl, pyrrolyl, tetrahydropyranyl, 6H-1,2,5-thiadiazinyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, 1,3,4thiadiazolyl, thiazolyl, thienyl, thiophenyl, triazinyl, 1,2,3-triazolyl, 1,2,4-triazolyl, 1,2,5-triazolyl, 1,3,4-triazolyl, oxetanyl, or azetidinyl; each of which is substituted by q instances of R C ; or R 2 is selected from —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —S(O)NR 2 , —C(O)R, —C(O)OR, and —C(O)NR 2 .

13. The compound of claim 11 , wherein, R 2 is methyl, cyclopropyl, phenyl, imidazolyl, morpholinyl, oxazolyl, pyrazolyl, pyridazinyl, pyridinyl, pyridyl, pyridine-one, pyrimidinyl, pyrrolyl, or tetrahydropyranyl; each of which is substituted by q instances of R C ; or R 2 is selected from —S(O) 2 R and —C(O)NR 2 .

14. The compound of claim 11 , wherein, R 2 is

15. The compound of claim 11 , wherein, R 2 together with its R C substituents is

16. The compound of claim 1 , wherein the compound is selected from

or a pharmaceutically acceptable salt thereof.

17. A pharmaceutical composition comprising a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, adjuvant, or vehicle.