IRAK degraders and uses thereof

A compound of formula I-k-15:

• or a pharmaceutically acceptable salt thereof, wherein:
• each Rx is independently hydrogen, C1-6 alkyl, halogen, —CN, —NO2, —OR, —SR, —NR2, —S(O)2R, —S(O)2NR2, —S(O)R, —CFR2, —CF2R, —CF3, —CR2(OR), —CR2(NR2), —C(O)R, —C(O)OR, —C(O)NR2, —C(S)NR2, —C(O)N(R)OR, —OC(O)R, —OC(O)NR2, —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR2, —N(R)S(O)2R, —N+(O—)R2, —OP(O)R2, —OP(O)(OR)2, —OP(O)(OR)NR2, —OP(O)(NR2)2, —P(O)R2, —SiR3, —Si(OR)R2, or
• each R is independently hydrogen, or an optionally substituted group selected from C1-6 aliphatic, phenyl, a 3-7 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;
• each Ry is independently hydrogen, C1-6 alkyl, halogen, —CN, —NO2, —OR, —SR, —NR2, —S(O)2R, —S(O)2NR2, —S(O)R, —CFR2, —CF2R, —CF3, —CR2(OR), —CR2(NR2), —C(O)R, —C(O)OR, —C(O)NR2, —C(S)NR2, —C(O)N(R)OR, —OC(O)R, —OC(O)NR2, —N(R)C(O)OR, —N(R)C(O)R, —N(R)C(O)NR2, —N(R)S(O)2R, —OP(O)R2, —OP(O)(OR)2, —OP(O)(OR)NR2, —OP(O)(NR2)2, —SiR3, —SF5, or
• or
• a single Ry and a single Rx are optionally taken together with their intervening atoms to form a 8-20 membered saturated or partially unsaturated carbocyclic or heterocyclic monocyclic or bicyclic ring having 1-10 heteroatoms, independently selected from nitrogen, oxygen, and sulfur;
• Ring T is phenyl,
• Lx is —C(O)N(H)—;
• x is 0, 1, 2, 3 or 4;
• y is 0, 1, 2, 3 or 4;
• L is a covalent bond or a bivalent, saturated or unsaturated, straight or branched C1-50 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)(NR2)—, —S—, —OC(O)—, —C(O)O—, —C(O)—, —S(O)—, —S(O)2—, —N(R)S(O)2—, —S(O)2N(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 4-11 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 4-11 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, or 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
• X1 is —C(O)—;
• X2 is —C(O)—;
• X3 is —CH2— or —C(O)—;
• R1 is hydrogen or C1-4 aliphatic;
• each of R2 is independently hydrogen, halogen, C1-4 aliphatic or —OC1-4 aliphatic;
• Ring A is a fused ring selected from a 6-membered aryl containing 0-1 nitrogen atoms;
• and
• m is 0, 1, 2, 3 or 4.