Tetrahydroisoquinoline compounds as nrf2 activators
AssigneeC4X Discovery Limited
InventorsCathy Louise Lucas, Emma Louise Blaney, Barrie Phillip Martin, Thorsten Nowak, Nicholas Charles Ray, Simon Ross Crumpler, Eileen Mary Seward, George Hynd
Life of this patent
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Abstract
The present invention relates to compounds that are Nrf2 activators. The compounds have the structural formula I defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of diseases or disorders associated with Nrf2 activation.
Claims25
A compound according to Formula IC or Formula IF, or a pharmaceutically acceptable salt thereof:
- wherein:
- R1 is selected from C1-4alkylene-R11, heterocyclyl and 8-10 membered bicyclic heteroaryl, wherein said heterocyclyl is optionally substituted with one or more substituents independently selected from C1-4alkyl, —C(O)—R12, SO2—R13, C1-3alkylene-OR14 and heteroaryl which is optionally substituted with one or more substituents independently selected from C1-4alkyl, C3-7cycloalkyl, halo, OH, C1-3alkoxy and cyano;
- and wherein said 8-10 membered bicyclic heteroaryl is optionally substituted with one or more substituents independently selected from C1-4alkyl, C3-7cycloalkyl, halo, OH and C1-3alkoxy;
- R2 is selected from hydrogen, fluoro, chloro and C1-3alkyl;
- R3 is selected from hydrogen, fluoro, chloro, bromo, C1-3alkoxy, C1-3alkyl, C1-3haloalkyl and cyano;
- R4 is hydrogen or C1-4alkyl;
- R5 is —C(O)—C1-4alkyl, —C(O)—C3-7cycloalkyl, —C(O)-heteroaryl or —C(O)-aryl, wherein said heteroaryl and aryl are optionally substituted with one or more substituents selected from C1-4alkyl, halo, hydroxy, C1-3alkoxy, CO2R15 and cyano;
- or
- R4 and R5, taken together with the nitrogen atom to which they are attached, form a 4-, 5-, or 6-membered heterocyclyl ring, wherein said heterocyclyl ring:
- comprises one or more —C(O)— moieties attached to the nitrogen atom;
- optionally contains one or more additional heteroatoms selected from oxygen, nitrogen and sulfur;
- optionally is fused to an aryl or heteroaryl ring;
- optionally is spiro-attached to a C3-7cycloalkyl group or a 3- to 6-membered heterocyclyl ring;
- and
- optionally is substituted with one or more substituents independently selected from C1-4alkyl, halo, OH, C1-3alkoxy, C1-3haloalkyl, cyano, NR16R17, C(O)R18, S(O)R19 and SO2R20;
- R6 is selected from hydrogen, C1-4alkyl, and C3-7cycloalkyl;
- R8 is C(═O)NR8aR8b or —C(═O)R8c;
- R8a is hydrogen or C1-6alkyl;
- R8b is hydrogen, C1-6alkyl or C3-7cycloalkyl, wherein the C1-6alkyl or C3-7cycloalkyl groups are optionally substituted with one or more substituents independently selected from C1-4alkyl, C3-7cycloalkyl, halo, OH, C1-3alkoxy, C1-3haloalkyl, cyano, NR16R17, C(O)R18, S(O)R19 and SO2R20;
- or
- R8a and R8b, taken together with the nitrogen atom to which they are attached, form a 3-, 4-, 5-, 6-, or 7-membered heterocyclyl ring, wherein the heterocyclyl ring:
- optionally contains one or more additional heteroatoms selected from oxygen, nitrogen and sulfur;
- and
- is optionally substituted with one or more substituents independently selected from C1-4alkyl, C3-7cycloalkyl, halo, OH, C1-3alkoxy, C1-3haloalkyl, cyano, NR16R17, C(O)R18, S(O)R19 and SO2R20;
- R8c is C1-3alkyl or C1-3haloalkyl;
- R9 is methyl;
- R11 is selected from —C(O)—R24, —SO2—R25, —NR26C(O)—R27, —NR28SO2—R29, heterocyclyl, aryl and heteroaryl, wherein said aryl and heteroaryl groups are optionally substituted with one or more substituents independently selected from C1-4alkyl, C1-3haloalkyl, C3-7cycloalkyl, C1-4alkylene-R30, halo, OH, C1-3alkoxy, heterocyclyl and cyano;
- and
- said heterocyclyl group is optionally substituted with one or more substituents independently selected from C1-4alkyl, C1-3haloalkyl, C3-7cycloalkyl, C1-4alkylene-R30, halo, OH, C1-3alkoxy, oxo and cyano;
- R12 is selected from C1-4alkyl, C3-7cycloalkyl, OR31, NR32R33, aryl and heteroaryl, wherein said aryl and heteroaryl are optionally substituted with one or more substituents independently selected from C1-4alkyl, halo, OH, C1-3alkoxy and cyano;
- R13 is selected from C1-4alkyl, C3-7cycloalkyl, heteroaryl, heterocyclyl and NR34R35, wherein said heteroaryl and heterocyclyl are optionally substituted with one or more substituents independently selected from C1-4alkyl, halo, OH, C1-3alkoxy and cyano;
- R17 is selected from hydrogen, C1-4alkyl, C(O)C1-3alkyl and C(O)NR36R37;
- R18, R19 and R20 are independently selected from C1-4alkyl, OH, C1-3alkoxy and NR38R39;
- R24 is selected from C1-4alkyl, NR40R41 and OR42;
- R25 is selected from C1-4alkyl and NR43R44;
- R27 is selected from C1-4alkyl, C3-7cycloalkyl, C1-3haloalkyl, heterocyclyl, aryl and heteroaryl, wherein said aryl and heteroaryl are optionally substituted with one or more substituents independently selected from C1-4alkyl, C1-3haloalkyl, C3-7cycloalkyl, C1-4alkylene-R45, halo, OH, C1-3alkoxy and cyano;
- R29 is selected from C1-4alkyl, C3-7cycloalkyl, C1-3haloalkyl, aryl and heteroaryl, wherein said aryl and heteroaryl are optionally substituted with one or more substituents independently selected from C1-4alkyl, C1-3haloalkyl, C3-7cycloalkyl, C1-4alkylene-R46, halo, OH, C1-3alkoxy and cyano;
- R30 is selected from hydroxy, C1-3alkoxy, C3-7cycloalkyl, cyano and NR47R48;
- R40 is selected from hydrogen and C1-4alkyl;
- R41 is selected from hydrogen, C1-4alkyl, C3-7cycloalkyl, C1-3alkoxy, aryl and heteroaryl;
- or
- R40 and R41, taken together with the nitrogen atom to which they are attached, form a 4-, 5-, or 6-membered heteroaryl or heterocyclyl ring, wherein said heteroaryl and heterocyclyl rings are optionally substituted with one or more substituents independently selected from C1-4alkyl, halo, OH, C1-3alkoxy, C3-7cycloalkyl and cyano;
- R45 and R46 are independently selected from hydroxy, C1-3alkoxy and C3-7cycloalkyl;
- and
- R14, R15, R16, R26, R28, R31, R32, R33, R34, R35, R36, R37, R38, R39, R42, R43, R44, R47 and R48 are independently selected from hydrogen, C1-4alkyl and C3-7cycloalkyl;
- provided that the compound is not (1S,2R)-2-((S)-5-chloro-8-((5-(difluoromethyl)-1-methyl-1H-1,2,3-triazol-4-yl)methoxy)-1-((2-oxopyrrolidin-1-yl)methyl)-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-1-methylcyclohexane-1-carboxamide.
5-8. (canceled)
10-13. (canceled)
(canceled)
19-20. (canceled)
31-33. (canceled)
Dependencies are inferred from the claim text.