Bicyclic heterocycles as fgfr4 inhibitors

A compound of Formula (I):

• or a pharmaceutically acceptable salt thereof, wherein:
• X1 is CR10R11 or NR7;
• X is N or CR6;
• R1 is C1-3 alkyl or C1-3 haloalkyl;
• R2 is H, halo, C1-3 alkyl, C1-3 haloalkyl, CN, or C1-3 alkoxy;
• R3 is H, halo, C1-3 alkyl, C1-3 haloalkyl, CN, or C1-3 alkoxy;
• R4 is C1-3 alkyl or C1-3 haloalkyl;
• R5 is H, halo, C1-3 alkyl, C1-3 haloalkyl, CN, or C1-3 alkoxy;
• R6is selected from H, halo, CN, ORa4, SRa4, C(O)NRc4Rd4, OC(O)NRc4Rd4, NRc4Rd4, NRc4C(O)Rb4, NRc4C(O)ORa4, NRc4C(O)NRc4Rd4, NRc4S(O)Rb4, NRc4S(O)2Rb4, NRc4S(O)2NRc4Rd4, S(O)Rb4, S(O)NRc4Rd4, S(O)2Rb4, S(O)2NRc4Rd4, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl groups of R6 are each optionally substituted with 1, 2, or 3 substituents independently selected from R10A;
• R7 is selected from H, C(O)NRc4Rd4, S(O)Rb4, S(O)NRc4Rd4, S(O)2Rb4, S(O)2NRc4Rd4, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl groups of R7 are each optionally substituted with 1, 2, or 3 substituents independently selected from R10A;
• L is —(CR13R14)n—, wherein R13 and R14 are each independently H, C1-6 alkyl, C6-10 aryl, 5 to 10 membered heteroaryl or 4 to 10 membered heterocycloalkyl, wherein the C1-6 alkyl, C6-10 aryl, 5 to 10 membered heteroaryl or 4 to 7 membered heterocycloalkyl is optionally substituted with from 1 to 3 R17 groups;
• the subscript n is 1 or 2;
• R8 is H or C1-4 alkyl which is optionally substituted by halo, CN, ORa9, C(O)NRc9Rd9, NRc9Rd9, NRc9C(O)Rb9, NRc9C(O)ORa9, NRc9C(O)NRc9Rd9, NRc9S(O)Rb9, NRc9S(O)2Rb9, NRc9S(O)2NRc9Rd9, S(O)Rb9, S(O)NRc9Rd9, S(O)2Rb9, S(O)2NRc9Rd9, phenyl, C3-7 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, or a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said phenyl, C3-7 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl groups of R8 are each optionally substituted with 1 or 2 R19;
• R10 and R11 are each independently selected from H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, C6-10aryl, C3-10 cycloalkyl, a 5-10 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-10 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C6-10aryl, C3-10 cycloalkyl, 5-10 membered heteroaryl, and 4-10 membered heterocycloalkyl groups of R10 and R11 are each optionally substituted with 1, 2, 3, or 4 R10A;
• R10A, at each occurrence, is independently selected from halo, CN, NO2, ORa4, SRa4, C(O)Rb4, C(O)NRc4Rd4, C(O)ORa4, OC(O)Rb4, OC(O)NRc4Rd4, C(═NRe4)NRc4Rd4, NRc4C(═NRe4)NRc4Rd4, NRc4Rd4, NRc4C(O)Rb4, NRc4C(O)ORa4, NRc4C(O)NRc4Rd4, NRc4S(O)Rb4, NRc4S(O)2Rb4, NRc4S(O)2NRc4Rd4, S(O)Rb4, S(O)NRc4Rd4, S(O)2Rb4, S(O)2NRc4Rd4, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl group of R10A are each optionally substituted with 1, 2, or 3 substituents independently selected from R19;
• Ra4, Rb4, Rc4, and Rd4, at each occurrence, are independently selected from H, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, C1-4 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl group of Ra4, Rb4, Rc4, and Rd4 are each optionally substituted with 1, 2, or 3 substituents independently selected from R19;
• alternatively, Rc4 and Rd4 together with the nitrogen atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group which is optionally substituted with 1, 2 or 3 substituents independently selected from R19;
• Re4, at each occurrence, is H or C1-4 alkyl;
• alternatively, R10 and R11 together with the carbon atom to which they are attached form a 3-, 4-, 5-, 6-, or 7-membered cycloalkyl group or a 4-, 5-, 6-, 7-, 8-, 9-, or 10-membered heterocycloalkyl group;
• wherein said 3-, 4-, 5-, 6-, or 7-membered cycloalkyl group and 4-, 5-, 6-, 7-, 8-, 9-, or 10-membered heterocycloalkyl group are each optionally substituted with 1, 2, 3 or 4 R10A;
• R12 is H or C1-4 alkyl which is optionally substituted by R17;
• R17, at each occurrence, is independently selected from halo, CN, NO2, ORa7, SRa7, C(O)Rb7, C(O)NRc7Rd7, C(O)ORa7, OC(O)Rb7, OC(O)NRc7Rd7, C(═NRe7)NRc7Rd7, NRc7C(═NRe7)NRc7Rd7, NRc7Rd7, NRc7C(O)Rb7, NRc7C(O)ORa7, NRc7C(O)NRc7Rd7, NRc7S(O)Rb7, NRc7S(O)2Rb7, NRc7S(O)2NRc7Rd7, S(O)Rb7, S(O)NRc7Rd7, S(O)2Rb7, S(O)2NRc7Rd7, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl groups of R17 are each optionally substituted with 1, 2, or 3 substituents independently selected from R19;
• Ra7, Rb7, Rc7, and Rd7, at each occurrence, are independently selected from H, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, C1-4 haloalkyl, phenyl, C3-6 cycloalkyl, a 5-6 membered heteroaryl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S, and a 4-7 membered heterocycloalkyl moiety having carbon and 1, 2, or 3 heteroatoms independently selected from N, O and S;
• wherein said C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, phenyl, C3-6 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl groups of Ra7, Rb7, Rc7, and Rd7 are each optionally substituted with 1, 2, or 3 substituents independently selected from R19;
• alternatively, Rc7 and Rd7 together with the nitrogen atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group which is optionally substituted with 1, 2 or 3 substituents independently selected from R19;
• Re7, at each occurrence, is independently H or C1-4 alkyl;
• R19, at each occurrence, is independently selected from halo, CN, NO2, ORa9, SRa9, C(O)Rb9, C(O)NRc9Rd9, C(O)ORa9, OC(O)Rb9, OC(O)NRc9Rd9, NRc9Rd9, NRc9C(O)Rb9, NRc9C(O)ORa9, NRc9C(O)NRc9Rd9, NRc9S(O)Rb9, NRc9S(O)2Rb9, NRc9S(O)2NRc9Rd9, S(O)Rb9, S(O)NRc9Rd9, S(O)2Rb9, S(O)2NRc9Rd9, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, and C1-4 haloalkyl;
• Ra9, Rc9, and Rd9, at each occurrence, are independently selected from H and C1-4 alkyl;
• and
• Rb9, at each occurrence, is independently C1-4 alkyl.