SMARCA degraders and uses thereof

1. A compound of formula I:

or a pharmaceutically acceptable salt thereof, wherein:

SMARCA is a protein binding moiety capable of binding to one or more of SMARCA2, SMARCA4, and PB1, wherein said compound of formula I is a compound of formula I-a-3:

or a pharmaceutically acceptable salt thereof, wherein:

Ring W is

Ring Y is a fused, ring selected from 6-membered aryl, 5 to 6-membered heteroaryl containing 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and a 4 to 9-membered saturated or partially unsaturated monocyclic, bicyclic, or bridged bicyclic carbocyclyl or heterocyclyl with 1-4 heteroatoms independently selected from boron, nitrogen, oxygen, silicon, and sulfur;

each of R x and R y is independently hydrogen, R z , halogen, —CN, —NO 2 , —OR, —SR, —NR 2 , —SiR 3 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —CFR 2 , —CF 2 R, —CF 3 , —C(O)R, —C(O)OR, —C(O)NR 2 , —C(O)N(R)OR, —C(R) 2 N(R)C(O)R, —C(R) 2 N(R)C(O)N(R) 2 , —OC(O)R, —OC(O)N(R) 2 , —OP(O)R 2 , —OP(O)(OR) 2 , —OP(O)(OR)NR 2 , —OP(O)(NR 2 ) 2 —, —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR 2 , —N(R)S(O) 2 R, —NP(O)R 2 , —N(R)P(O)(OR) 2 , —N(R)P(O)(OR)NR 2 , —N(R)P(O)(NR 2 )2, or —N(R)S(O) 2 R; or

two R groups or two R y groups are optionally taken together to form an optionally substituted 5-7 membered partially unsaturated or aryl fused ring having 0-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;

each R is independently hydrogen, or an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 4-7 membered saturated or partially unsaturated heterocyclic having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and a 5-6 membered heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, or:

two R groups on the same atom are taken together with their intervening atoms to form a 4-7 membered saturated, partially unsaturated, or heteroaryl ring having 0-3 heteroatoms, in addition to the atom to which they are attached, independently selected from nitrogen, oxygen, and sulfur;

each R z is independently an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 4-7 membered saturated or partially unsaturated heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and a 5-6 membered heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur;

x is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16;

y is 0, 1, 2, 4, or 5;

L is a covalent bond or a bivalent, saturated or unsaturated, straight or branched C 1-50 hydrocarbon chain, wherein 0-6 methylene units of L are independently replaced by —Cy—, —O—, —N(R)—, —Si(R) 2 —, —Si(OH)(R)—, —Si(OH) 2 —, —P(O)(OR)—, —P(O)(R)—, —P(O)(NR 2 )—, —S—, —OC(O)—, —C(O)O—, —C(O)—, —S(O)—, —S(O) 2 —, —N(R)S(O) 2 —, —S(O) 2 N(R)—, —N(R)C(O)—, —C(O)N(R)—, —OC(O)N(R)—, —N(R)C(O)O—,

each -Cy- is independently an optionally substituted bivalent ring selected from phenylenyl, an 8-10 membered bicyclic arylenyl, a 4-7 membered saturated or partially unsaturated carbocyclylenyl, a 5-11 membered saturated or partially unsaturated spiro carbocyclylenyl, an 8-10 membered bicyclic saturated or partially unsaturated carbocyclylenyl, a 4-7 membered saturated or partially unsaturated heterocyclylenyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, a 5-11 membered saturated or partially unsaturated spiro heterocyclylenyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, an 8-10 membered bicyclic saturated or partially unsaturated heterocyclylenyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, a 5-6 membered heteroarylenyl having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and an 8-10 membered bicyclic heteroarylenyl having 1-5 heteroatoms independently selected from nitrogen, oxygen, and sulfur;

r is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10; and

DIM is a degradation inducing moiety selected from a ligase binding moiety (LBM), wherein the LBM is a cereblon E3 ligase binding moiety of formula I-aa:

or a pharmaceutically acceptable salt thereof, wherein:

X 1 is a bivalent moiety selected from a covalent bond, —CH 2 —, —CHCF 3 —, —SO 2 —, —S(O)—, —P(O)R—, —P(O)OR—, —P(O)NR 2 —, —C(O)—, —C(S)—, and

X 2 is a carbon atom or silicon atom;

X 3 is a bivalent moiety selected from —CR 2 —, —NR—, —O—, —S—, and —Si(R 2 )—:

R 1 is hydrogen, halogen, —CN, —OR, —SR, —S(O)R, —S(O) 2 R, —N(R) 2 , —P(O)(OR) 2 , —P(O)(NR 2 )OR, —P(O)(NR 2 ) 2 , —Si(OH) 2 R, —Si(OH)(R) 2 , —Si(R) 3 , or an optionally substituted C 1-4 aliphatic;

each R 2 is independently hydrogen, R 6 , halogen, —CN, —NO 2 , —OR, —SR, —N(R) 2 , —Si(R) 3 , —S(O) 2 R, —S(O) 2 N(R) 2 , —S(O)R, —C(O)R, —C(O)OR, —C(O)N(R) 2 , —C(O)N(R)OR, —C(R) 2 N(R)C(O)R, —C(R) 2 N(R)C(O)N(R) 2 , —OC(O)R, —OC(O)N(R) 2 , —OP(O)R 2 , —OP(O)(OR) 2 , —OP(O)(OR)(NR 2 ), —OP(O)(NR 2 ) 2 —, —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)N(R) 2 , —N(R)S(O) 2 R, —NP(O)R 2 , —N(R)P(O(OR) 2 , —N(R)P(O)(OR)(NR 2 ), —N(R)P(O)(NR 2 ) 2 , or —N(R)S(O) 2 R;

Ring A is a bicyclic or tricyclic ring selected from

Ring B is a fused ring selected from 6-membered aryl, 6-membered heteroaryl containing 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur, 5 to 7-membered saturated or partially unsaturated carbocyclyl, 5 to 7-membered saturated or partially unsaturated heterocyclyl with 1-3 heteroatoms independently selected from boron, nitrogen, oxygen, silicon, and sulfur, and a 5-membered heteroaryl with 1-4 heteroatoms independently selected from nitrogen, oxygen and sulfur;

R 3 is selected from hydrogen, halogen, —OR, —N(R) 2 , and —SR;

each R 4 is independently hydrogen, R 6 , halogen, —CN, —NO 2 , —OR, —SR, —NR 2 , —S(O) 2 R—S(O) 2 NR 2 , —S(O)R, —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 , or —N(R)S(O) 2 R;

R 5 is hydrogen, C 1-4 aliphatic, or —CN;

each R 6 is independently an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 4-7 membered saturated or partially unsaturated heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and a 5-6 membered heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur;

L 1 is a covalent bond or a C 1-3 bivalent straight or branched saturated or unsaturated hydrocarbon chain wherein 1-2 methylene units of the chain are independently and optionally replaced with —O—, —C(O)—, —C(S)—, —C(R) 2 —, —CF(R)—, —C(F) 2 —, —N(R)—, —S—, —S(O) 2 — or —(C)═CH—; and

m is 0, 1, 2, 3 or 4.

2. The compound of claim 1 , wherein the LBM is a cereblon E3 ligase binding moiety selected from:

3. The compound of claim 1 , wherein L is selected from:

4. A pharmaceutical composition comprising a compound of claim 1 , and a pharmaceutically acceptable carrier, adjuvant, or vehicle.

5. The pharmaceutical composition of claim 4 , further comprising an additional therapeutic agent.

6. The compound of claim 1 , wherein Ring Y is a fused 4 to 9-membered saturated or partially unsaturated monocyclic, bicyclic, or bridged bicyclic carbocyclyl or heterocyclyl with 1-4 heteroatoms independently selected from boron, nitrogen, oxygen, silicon, and sulfur.

7. The compound of claim 1 , wherein L is a bivalent, saturated or unsaturated, straight or branched C 1-20 hydrocarbon chain, wherein 0-6 methylene units of L are independently replaced by -Cy-, —O—, —N(R)—, —S—, —OC(O)—, —C(O)O—, —C(O)—, —S(O)—, —S(O) 2 —, —N(R)S(O) 2 —, —S(O) 2 N(R)—, —N(R)C(O)—, —C(O)N(R)—, —OC(O)N(R)—, or —N(R)C(O)O—.

8. The compound of claim 1 , wherein each -Cy- is independently selected from phenylenyl, a 4-7 membered saturated or partially unsaturated carbocyclylenyl, a 5-11 membered saturated or partially unsaturated spiro carbocyclylenyl, a 4-7 membered saturated or partially unsaturated heterocyclylenyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, a 5-11 membered saturated or partially unsaturated spiro heterocyclylenyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, and sulfur, and a 5-6 membered heteroarylenyl having 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur.

9. The compound of claim 1 , wherein each R x and R y are independently hydrogen, R 2 , halogen, —CN, —NO 2 , —OR, —SR, —NR 2 , —S(O) 2 R, —S(O) 2 NR 2 , —S(O)R, —CFR 2 , —CF 2 R, —CF 3 , —C(O)R, —C(O)OR, —C(O)NR 2 , —C(O)N(R)OR, —C(R) 2 N(R)C(O)R, —C(R) 2 N(R)C(O)N(R) 2 , —OC(O)R, —OC(O)N(R) 2 , —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR 2 , —N(R)S(O) 2 R, or —N(R)S(O) 2 R.

10. The compound of claim 1 , wherein X 1 is a bivalent moiety selected from —CH 2 — or —C(O)—.

11. The compound of claim 1 , wherein X 2 is a carbon atom.

12. The compound of claim 1 , wherein X 3 is —CR 2 —.

13. The compound of claim 1 , wherein R 1 is hydrogen or C 1-4 aliphatic.

14. The compound of claim 1 , wherein each R 2 is independently hydrogen, R 6 , halogen, —CN, —NO 2 , —OR, —SR, —N(R) 2 , —S(O) 2 R, —S(O) 2 N(R) 2 , —S(O)R, —C(O)R, —C(O)OR, —C(O)N(R) 2 , —C(R) 2 N(R)C(O)R, —C(R) 2 N(R)C(O)N(R) 2 , —OC(O)R, —OC(O)N(R) 2 , —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)N(R) 2 , or —N(R)S(O) 2 R.

15. The compound of claim 1 , wherein Ring A is a bicyclic ring selected from

16. The compound of claim 1 , wherein Ring B is a fused ring selected from 6-membered aryl and 6-membered heteroaryl containing 1-4 heteroatoms independently selected from nitrogen, oxygen, and sulfur.