IP Library Patent Application 17474581
Patent Application
App. No. 17/474,581

METHODS OF USING EHMT2 INHIBITORS

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Patent No.
US None
App. No.
17/474,581
Abstract

The present disclosure relates to a method of preventing or treating an imprinting disorder via administering an EHMT2 inhibitor compound disclosed herein or a pharmaceutical composition thereof to subjects in need thereof. The present disclosure also relates to the use of such compounds for research or other non-therapeutic purposes.

Claims (155)

1 . A method of preventing or treating an imprinting disorder, the method comprising administering to a subject in need thereof a therapeutically effective amount of an EHMT2 inhibitor.

2 . The method of claim 1 , wherein the imprinting disorder is Prader-Willi syndrome (PWS), transient neonatal diabetes mellitus (TNDM), Silver-Russell syndrome (SRS), Albright hereditary osteodystrophy (AHO), pseudohypoparathyroidism (PHP), Birk-Barel mental retardation, Beckwith-Wiedemann syndrome (BWS), Temple syndrome (UPD(14)mat), Kagami-Ogata syndrome (UPD(14)pat), Angelman syndrome (AS), precocious puberty, Schaaf-Yang syndrome (SHFYNG), sporadic pseudohypoparathyroidism Ib, or maternal uniparental disomy of chromosome 20 syndrome (upd(20)mat).

3 . The method of claim 1 , wherein the EHMT2 inhibitor is a compound of Formula (I):

or a tautomer thereof, or a pharmaceutically acceptable salt of the compound or the tautomer, wherein

ring A is phenyl or a 5- or 6-membered heteroaryl;

X 1 is N, CR 2 , or NR 2′ as valency permits;

X 2 is N, CR 3 , or NR 3′ as valency permits;

X 3 is N, CR 4 , or NR 4′ as valency permits;

X 4 is N or CR 5 , or X 4 is absent such that ring A is a 5-membered heteroaryl containing at least one N atom;

X 5 is C or N as valency permits;

B is absent or a ring structure selected from the group consisting of C 6 -C 10 aryl, C 3 -C 10 cycloalkyl, 5- to 10-membered heteroaryl, and 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S;

T is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, oxo; or C 1 -C 6 alkoxy when B is present;

or T is H and n is O when B is absent; or T is C 1 -C 6 alkyl optionally substituted with (R 7 ) n when B is absent; or when B is absent, T and R 1 together with the atoms to which they are attached optionally form a 4-7 membered heterocycloalkyl or 5-6 membered heteroaryl, each of which is optionally substituted with (R 7 ) n ;

R 1 is H or C 1 -C 4 alkyl;

each of R 2 , R 3 , and R 4 , independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkoxyl, C 6 -C 10 aryl, NR a R b , C(O)NR a R b , NR a C(O)R b , C 3 -C 8 cycloalkyl, 4- to 7-membered heterocycloalkyl, 5- to 6-membered heteroaryl, and C 1 -C 6 alkyl, wherein C 1 -C 6 alkoxyl and C 1 -C 6 alkyl are optionally substituted with one or more of halo, OR a , or NR a R b , in which each of R a and R b independently is H or C 1 -C 6 alkyl, or R 3 is -Q 1 -T 1 , in which Q 1 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, oxo, or C 1 -C 6 alkoxyl, and T 1 is H, halo, cyano, NR 8 R 9 , C(O)NR 8 R 9 , OR 8 , OR 9 , or R S1 , in which R S1 is C 3 -C 8 cycloalkyl, phenyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- or 6-membered heteroaryl and R S1 is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, oxo, —C(O)R 9 , —SO 2 R 8 , —SO 2 N(R 8 ) 2 , —NR 8 C(O)R 9 , amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl; or when ring A is a 5-membered heteroaryl containing at least one N atom, R 4 is a spiro-fused 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S;

each of R 2′ , R 3′ and R 4′ independently is H or C 1 -C 3 alkyl;

R 5 is selected from the group consisting of H, F, Br, cyano, C 1 -C 6 alkoxyl, C 6 -C 10 aryl, NR a R b , C(O)NR a R b , NR a C(O)R b , C 3 -C 8 cycloalkyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, C 1 -C 6 alkyl optionally substituted with one or more of halo, OR a or NR a R b , and C 2 -C 6 alkynyl optionally substituted with 4- to 12-membered heterocycloalkyl; wherein said C 3 -C 8 cycloalkyl or 4- to 12-membered heterocycloalkyl are optionally substituted with one or more of halo, C(O)R a , OR a , NR a R b , 4- to 7-membered heterocycloalkyl, —C 1 -C 6 alkylene-4- to 7-membered heterocycloalkyl, or C 1 -C 4 alkyl optionally substituted with one or more of halo, OR a or NR a R b , in which each of R a and R b independently is H or C 1 -C 6 alkyl; or

R 5 and one of R 3 or R 4 together with the atoms to which they are attached form phenyl or a 5- or 6-membered heteroaryl; or R 5 and one of R 3′ or R 4′ together with the atoms to which they are attached form a 5- or 6-membered heteroaryl, in which the phenyl or 5- or 6-membered heteroaryl as formed is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl or C 1 -C 3 alkoxyl;

R 6 is absent when X 5 is N and ring A is a 6-membered heteroaryl; or R 6 is -Q 1 -T 1 , in which Q 1 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, oxo, or C 1 -C 6 alkoxyl, and T 1 is H, halo, cyano, NR 8 R 9 , C(O)NR 8 R 9 , C(O)R 9 , OR 8 , OR 9 , or R S1 , in which R S1 is C 3 -C 8 cycloalkyl, phenyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- or 6-membered heteroaryl and R S1 is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, oxo, —C(O)R 9 , —SO 2 R 8 , —SO 2 N(R 8 ) 2 , —NR 8 C(O)R 9 , NR 8 R 9 , or C 1 -C 6 alkoxyl; and R 6 is not NR 8 C(O)NR 12 R 13 ; or

R 6 and one of R 2 or R 3 together with the atoms to which they are attached form phenyl or a 5- or 6-membered heteroaryl; or R 6 and one of R 2′ or R 3′ together with the atoms to which they are attached form a 5- or 6-membered heteroaryl, in which the phenyl or 5- or 6-membered heteroaryl as formed is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl, oxo (═O), C 1 -C 3 alkoxyl, or -Q 1 -T 1 ;

each R 7 is independently oxo (═O) or -Q 2 -T 2 , in which each Q 2 independently is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl, and each T 2 independently is H, halo, cyano, OR 10 , OR 11 , C(O)R 11 , NR 10 R 11 , C(O)NR 11 R 11 , NR 10 C(O)R 11 , 5- to 10-membered heteroaryl, C 3 -C 8 cycloalkyl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and wherein the 5- to 10-membered heteroaryl, C 3 -C 8 cycloalkyl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of halo, C 1 -C 6 alkyl optionally substituted with NR x R y , hydroxyl, oxo, N(R 8 ) 2 , cyano, C 1 -C 6 haloalkyl, —SO 2 R 8 , or C 1 -C 6 alkoxyl, each of R x and R y independently being H or C 1 -C 6 alkyl; and R 7 is not H or C(O)OR g ;

each R 8 independently is H or C 1 -C 6 alkyl;

each R 9 is independently -Q 3 -T 3 , in which Q 3 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 3 is H, halo, OR 12 , OR 13 , NR 12 R 13 , NR 12 C(O)R 13 , C(O)NR 12 R 13 , C(O)R 13 , S(O) 2 R 13 , S(O) 2 NR 12 R 13 , or R S2 , in which R S2 is C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, and R S2 is optionally substituted with one or more —Q 4 -T 4 , wherein each Q 4 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 4 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR c , C(O)R c , S(O) 2 R c , NR c R d , C(O)NR c R d , and NR c (O)R d , each of R c and R d independently being H or C 1 -C 6 alkyl; or -Q 4 -T 4 is oxo; or

R 8 and R 9 taken together with the nitrogen atom to which they are attached form a 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, 0 and S, which is optionally substituted with one or more of -Q 5 -T 5 , wherein each Q 5 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 5 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR e , C(O)R e , S(O) 2 R e , S(O) 2 NR e R f , NR e R f , C(O)NR e R f , and NR e C(O)R f , each of R e and R f independently being H or C 1 -C 6 alkyl; or -Q 5 -T 5 is oxo;

R 10 is selected from the group consisting of H and C 1 -C 6 alkyl;

R 11 is Q 6 -T 6 , in which Q 6 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, oxo, or C 1 -C 6 alkoxyl, and T 6 is H, halo, OR g , NR g R h , NR g C(O)R h , C(O)NR g R h , C(O)R g , S(O) 2 R g , or R S3 , in which each of R g and R h independently is H, phenyl, C 3 -C 8 cycloalkyl, or C 1 -C 6 alkyl optionally substituted with C 3 -C 8 cycloalkyl, or R g and R h together with the nitrogen atom to which they are attached form a 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and R S3 is C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O and S, or a 5- to 10-membered heteroaryl, and R S3 is optionally substituted with one or more -Q 7 -T 7 , wherein each Q 7 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 7 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR j , C(O)R j , NR j R k , C(O)NR j R k , S(O) 2 R j , and NR j C(O)R k , each of R j and R k independently being H or C 1 -C 6 alkyl optionally substituted with one or more halo; or -Q 7 -T 7 is oxo; or

R 10 and R 11 taken together with the nitrogen atom to which they are attached form a 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, which is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, or C 1 -C 6 alkoxyl;

R 12 is H or C 1 -C 6 alkyl;

R 13 is C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, each of which is optionally substituted with one or more -Q 8 -T 8 , wherein each Q 8 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 8 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and 5- to 6-membered heteroaryl; or -Q 8 -T 8 is oxo; and

n is 0, 1, 2, 3, or 4, provided that

the compound of Formula (I) is not

2-cyclohexyl-6-methoxy-N-[1-(1-methylethyl)-4-piperidinyl]-7-[3-(1-pyrrolidinyl)propoxy]-4-quinazolinamine;

N-(1-isopropylpiperidin-4-yl)-6-methoxy-2-(4-methyl-1,4-diazepan-1-yl)-7-(3-(piperidin-1-yl)propoxy)quinazolin-4-amine;

2-(4,4-difluoropiperidin-1-yl)-N-(1-isopropylpiperidin-4-yl)-6-methoxy-7-(3-(pyrrolidin-1-yl)propoxy)quinazolin-4-amine; or

2-(4-isopropyl-1,4-diazepan-1-yl)-N-(1-isopropylpiperidin-4-yl)-6-methoxy-7-(3-(piperidin-1-yl)propoxy)quinazolin-4-amine.

4 .- 9 . (canceled)

10 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (II):

wherein

ring B is phenyl or pyridyl,

one or both of X 1 and X 2 are N while X 3 is CR 4 and X 4 is CR 5 or one or both of X 1 and X 3 are N while X 2 is CR 3 and X 4 is CR 5 ; and

n is 1, 2, or 3.

11 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (IIa1), (IIa2), (IIa3), (IIa4), or (IIa5):

12 . (canceled)

13 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (IIb1), (IIb2), (IIb3), (IIb4), or (IIb5):

14 . (canceled)

15 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (IIc1), (IIc2), (IIc3), (IIc4), or (IIc5):

16 . (canceled)

17 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (IId1), (IId2), (IId3), (IId4), or (IId5):

18 .- 19 . (canceled)

20 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (III):

wherein

ring B is phenyl or pyridyl,

at least one of X 2 and X 3 is N; and

n is 1 or 2.

21 . The method of claim 20 , wherein the EHMT2 inhibitor is a compound of Formula (IIIa):

22 .- 25 . (canceled)

26 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (IV):

wherein

ring B is C 3 -C 6 cycloalkyl;

each of R 20 , R 21 , R 22 and R 23 independently is H, halo, C 1 -C 3 alkyl, hydroxyl, or C 1 -C 3

alkoxyl; and

n is 1 or 2.

27 .- 45 . (canceled)

46 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (V):

wherein

ring B is absent or C 3 -C 6 cycloalkyl;

X 3 is N or CR 4 in which R 4 is H or C 1 -C 4 alkyl;

R 1 is H or C 1 -C 4 alkyl;

or when B is absent, T and R 1 together with the atoms to which they are attached optionally form a 4-7 membered heterocycloalkyl or 5-6 membered heteroaryl, each of which is optionally substituted with (R 7 )n; or when B is absent, T is H and n is 0;

each R 7 is independently oxo (═O) or -Q 2 -T 2 , in which each Q 2 independently is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl, and each T 2 independently is H, halo, OR 10 , OR 11 , C(O)R 11 , NR 10 R 11 , C(O)NR 10 R 11 , NR 10 C(O)R 11 , C 3 -C 8 cycloalkyl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and wherein the C 3 -C 8 cycloalkyl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of halo, C 1 -C 6 alkyl optionally substituted with NR x R y , hydroxyl, oxo, N(R 8 ) 2 , cyano, C 1 -C 6 haloalkyl, —SO 2 R 8 , or C 1 -C 6 alkoxyl, each of R x and R y independently being H or C 1 -C 6 alkyl; and R 7 is not H or C(O)OR g ;

R 5 is selected from the group consisting of C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl and 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O and S, wherein the C 3 -C 8 cycloalkyl and 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of 4- to 7-membered heterocycloalkyl, —C 1 -C 6 alkylene-4- to 7-membered heterocycloalkyl, —C(O)C 1 -C 6 alkyl or C 1 -C 6 alkyl optionally substituted with one or more of halo or OR a ;

R 9 is -Q 3 -T 3 , in which Q 3 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 3 is 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, optionally substituted with one or more -Q 4 -T 4 , wherein each Q 4 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 4 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR c , C(O)R c , S(O) 2 R c , NR c R d , C(O)NR c R d , and NR c C(O)R d , each of R c and R d independently being H or C 1 -C 6 alkyl; or -Q 4 -T 4 is oxo; and

n is 0, 1 or 2.

47 .- 50 . (canceled)

51 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (VIIIa):

wherein

X 1 is N or CR 2 ;

X 2 is N or CR 3 ;

X 3 is N or CR 4 ;

X 4 is N or CR 5 ;

R 2 is selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl optionally substituted with one or more of halo, OR a , or NR a R b ;

each of R 3 and R 4 is H; and

R 5 are independently selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl optionally substituted with one or more of halo or OR a ; or

R 5 and one of R 3 or R 4 together with the atoms to which they are attached form phenyl or a 5- or 6-membered heteroaryl; or R 5 and one of R 3′ or R 4′ together with the atoms to which they are attached form a 5- or 6-membered heteroaryl, in which the phenyl or 5- or 6-membered heteroaryl as formed is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl or C 1 -C 3 alkoxyl; and

wherein at least one of R 2 or R 5 are not H.

52 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of Formula (VIIIb):

wherein

X 1 is N or CR 2 ;

X 2 is N or CR 3 ;

X 3 is N or CR 4 ;

X 4 is N or CR 5 ;

R 2 is selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl each of R 3 and R 4 is H; and

R 5 is selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl; or

R 5 and one of R 3 or R 4 together with the atoms to which they are attached form phenyl or a 5- or 6-membered heteroaryl; or R 5 and one of R 3′ or R 4′ together with the atoms to which they are attached form a 5- or 6-membered heteroaryl, in which the phenyl or 5- or 6-membered heteroaryl as formed is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl or C 1 -C 3 alkoxyl; and

wherein at least one of R 2 or R 5 are not H.

53 . The method of claim 3 any one of the preceding claims, wherein the EHMT2 inhibitor is a compound of Formula (VIIIc):

wherein

X 1 is N or CR 2 ;

X 2 is N or CR 3 ;

X 3 is N or CR 4 ;

X 4 is N or CR 5 ;

R 2 is selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl each of R 3 and R 4 is H; and

R 5 is selected from the group consisting of H, C 3 -C 8 cycloalkyl, and C 1 -C 6 alkyl; or

R 5 and one of R 3 or R 4 together with the atoms to which they are attached form phenyl or a 5- or 6-membered heteroaryl; or R 5 and one of R 3′ or R 4′ together with the atoms to which they are attached form a 5- or 6-membered heteroaryl, in which the phenyl or 5- or 6-membered heteroaryl as formed is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl or C 1 -C 3 alkoxyl; and

wherein at least one of R 2 or R 5 are not H.

54 . The method of claim 3 , wherein the EHMT2 inhibitor is a compound of (IX):

or a tautomer thereof, or a pharmaceutically acceptable salt of the compound or the tautomer, wherein

X 6 is N or CH;

X 7 is N or CH;

X 3 is N or CR 4 ;

R 4 , independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkoxyl, C 6 -C 10 aryl, NR a R b , C(O)NR a R b , NR a C(O)R b , C 3 -C 8 cycloalkyl, 4- to 7- membered heterocycloalkyl, 5- to 6-membered heteroaryl, and C 1 -C 6 alkyl, wherein C 1 -C 6 alkoxyl and C 1 -C 6 alkyl are optionally substituted with one or more of halo, OR 6 , or NR a R b , in which each of R a and R b independently is H or C 1 -C 6 alkyl;

each R 9 is independently -Q 3 -T 3 , in which Q 3 is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 3 is H, halo, OR 12 , OR 13 , NR 12 R 13 , NR 12 C(O)R 13 , C(O)NR 12 R 13 , C(O)R 13 , S(O) 2 R 13 , S(O) 2 NR 12 R 13 , or R S2 in which R S2 is C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, and R S2 is optionally substituted with one or more - Q 4 -T 4 , wherein each Q 4 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 4 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR c , C(O)R c , S(O) 2 R c , NR c R d , C(O)NR c R d , and NR c C(O)R d , each of R c and R d independently being H or C 1 -C 6 alkyl; or -Q 4 -T 4 is oxo; or

R 12 is H or C 1 -C 6 alkyl;

R 13 is C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, each of which is optionally substituted with one or more -Q 8 -T 8 , wherein each Q 8 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 8 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and 5- to 6-membered heteroaryl; or -Q 8 -T 8 is oxo;

R 15 is C 1 -C 6 alkyl, NHR 17 , C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or 5- to 10-membered heteroaryl, wherein each of said C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl, and 5- to 10-membered heteroaryl is optionally substituted with one or more -Q 9 -T 9 , wherein each Q 9 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 9 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and 5- to 6-membered heteroaryl; or -Q 9 -T 9 is oxo;

R 16 is C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, each of which is optionally substituted with one or more -Q 10 -T 10 , wherein each Q 10 independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 10 independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and 5- to 6-membered heteroaryl; or -Q 10 -T 10 is oxo;

R 17 is H or C 1 -C 6 alkyl; and

v is 0, 1, or 2.

55 .- 66 . (canceled)

67 . The method of claim 1 , wherein the EHMT2 inhibitor is a compound of Formula (I′):

or a tautomer thereof, or a pharmaceutically acceptable salt of the compound or the tautomer, wherein

X 1a is O, S, CR 1a R 11a or NR 1a′ when is a single bond, or X 1a is N when is a double bond;

X 2a is N or CR 2a when is a double bond, or X 2a is NR 2a′ when is a single bond;

X 3a is N or C; when X 3a is N, is a double bond and is a single bond, and when X 3a is C, is a single bond and is a double bond;

each of R 1a , R 2a and R 11a , independently, is -Q 1a -T 1a , in which each Q 1a independently is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and each T 1a independently is H, halo, cyano, NR 5a R 6a , C(O)NR 5a R 6a , —OC(O)NR 5a R 6a , C(O)OR 5a , —OC(O)R 5a , C(O)R 5a , —NR 5a C(O)R 6a , —NR 5a C(O)OR 6a , OR 5a , or R S1a , in which R S1a is C 3 -C 12 cycloalkyl, phenyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- or 6-membered heteroaryl and R S1a is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, oxo, —C(O)R 6a , —SO 2 R 5a , —SO 2 N(R 5a ) 2 , —NR 5a C(O)R 6a , amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl; or

R 1a and R 11a together with the carbon atom to which they are attached form a C 3 -C 12 cycloalkyl or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, wherein the C 3 -C 12 cycloalkyl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, oxo, amino, mono- or di-alkylamino, or C 1 -C 6 alkoxyl;

each of R 1a′ and R 2a′ , independently, is -Q 2a -T 2a , in which Q 2a is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 2a is H, halo, cyano, or R S2a , in which R S2a is C 3 -C 12 cycloalkyl, phenyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- or 6-membered heteroaryl and R S2a is optionally substituted with one or more of halo, C 1 -C 6 alkyl, hydroxyl, oxo, —C(O)R 6a , —SO 2 R 5a , —SO 2 N(R 5a ) 2 , —NR 5a C(O)R 6a , amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl;

R 3a is H, NR aa R ba , OR aa , or R S4a , in which R S4a is C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 12 cycloalkyl, phenyl, 5- or 6-membered heteroaryl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, wherein each of R aa and R ba independently is H or R S5a , or R aa and R ba together with the nitrogen atom to which they are attached form a 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S; in which R S5a is C 1 -C 6 alkyl, phenyl, 5- or 6-membered heteroaryl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and each of R S4a , R S5a , and the heterocycloalkyl formed by R aa and R ba is independently optionally substituted with one or more of halo, hydroxyl, oxo, CN, amino, mono- or di- alkylamino, C 1 -C 6 alkyl, C 1 -C 6 alkoxyl, C 3 -C 12 cycloalkyl, phenyl, 5- or 6-membered heteroaryl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or alternatively;

R 3a and one of R 1a′ , R 2a′ , R 1a , R 2a and R 11a , together with the atoms to which they are attached, form a 5- or 6-membered heteroaryl that is optionally substituted with one or more of halo, C 1 -C 3 alkyl, hydroxyl or C 1 -C 3 alkoxyl; or

R 3a is oxo and is a single bond;

each R 4a independently is -Q 3a -T 3a , in which each Q 3a independently is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl, and each T 3a independently is H, halo, cyano, OR 7a , OR 8a , C(O)R 8a , NR 7a R 8a , C(O)NR 7a R 8a , NR 7a C(O)R 8a , C 6 -C 10 aryl, 5- to 10-membered heteroaryl, C 3 -C 12 cycloalkyl, or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, and wherein the C 6 -C 10 aryl, 5- to 10-membered heteroaryl, C 3 -C 12 cycloalkyl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of halo, hydroxyl, cyano, C 1 -C 6 haloalkyl, —SO 2 R 5a , C 1 -C 6 alkoxyl or C 1 -C 6 alkyl optionally substituted with one or more of NR 5a R 6a ;

each of R 5a , R 6a , and R 7a , independently, is H or C 1 -C 6 alkyl optionally substituted with one or more of halo, cyano, hydroxyl, amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl;

R 8a is -Q 4a -T 4a , Q 4a is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 4a is H, halo, or R S3a , in which R S3a is C 3 -C 12 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O and S, or a 5- to 10-membered heteroaryl, and R S3a is optionally substituted with one or more -Q 5a -T 5a , wherein each Q 5a independently is a bond or C 1 -C 3 alkylene, C 2 -C 3 alkenylene, or C 2 -C 3 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 5a independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 3 -C 12 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR ca , C(O)R ca , NR ca R da , C(O)NR ca R da , S(O) 2 R ca , and NR ca C(O)R da , each of R ca and R da independently being H or C 1 -C 6 alkyl optionally substituted with one or more halo; or -Q 5a -T 5a is oxo; and

n is 1, 2, 3, or 4.

68 . The method of claim 1 , wherein the EHMT2 inhibitor is a compound of Formula (I″), (II″), or (III″):

or a tautomer thereof, or a pharmaceutically acceptable salt of the compound or the tautomer, wherein

X 1b is N or CR 2b ;

X 2b is N or CR 3b ;

X 3b is N or CR 4b ;

X 4b is N or CR 5b ;

each of X 5b , X 6b and X 7b is independently N or CH;

B is C 6 -C 10 aryl or 5- to 10-membered heteroaryl;

R 1b is H or C 1 -C 4 alkyl;

each of R 2b , R 3b , R 4b , and R 5b , independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkoxyl, C 6 -C 10 aryl, OH, NR ab R bb , C(O)NR ab R bb , NR ab C(O)R bb , C(O)OR ab , OC(O)R ab , OC(ONR ab R bb , NR ab C(O)OR bb , C 3 -C 8 cycloalkyl, 4- to 7- membered heterocycloalkyl, 5- to 6-membered heteroaryl, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, and C 2 -C 6 alkynyl, wherein the C 6 -C 10 aryl, C 3 -C 8 cycloalkyl, 4- to 7- membered heterocycloalkyl, 5- to 6-membered heteroaryl, C 1 -C 6 alkoxyl, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, and C 2 -C 6 alkynyl, are each optionally substituted with one or more of halo, OR ab , or NR ab R bb , in which each of R ab and R bb independently is H or C 1 -C 6 alkyl;

R 6b is -Q 1b -T 1b , in which Q 1b is a bond, or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, oxo, or C 1 -C 6 alkoxyl, and T 1b is H, halo, cyano, or R S1b , in which R S1b is C 3 -C 8 cycloalkyl, phenyl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- or 6-membered heteroaryl and R S1b is optionally substituted with one or more of halo, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, hydroxyl, oxo, —C(O)R cb , —C(O)OR cb , —SO 2 R cb , —SO 2 R cb , —SO 2 N(R cb ) 2 , —NR cb C(O)R db , —C(O)NR cb R db , —NR cb C(O)OR db , —OC(O)NR cb R db , NR cb R db , or C 1 -C 6 alkoxyl, in which each of R cb and R db independently is H or C 1 -C 6 alkyl;

R 7b is -Q 2b -T 2b , in which Q 2b is a bond, C(O)NR eb , or NR eb C(O), R eb being H or C 1 -C 6 alkyl and T 2b is 5- to 10-membered heteroaryl or 4- to 12-membered heterocycloalkyl, and wherein the 5- to 10-membered heteroaryl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more -Q 3b -T 3b , wherein each Q 3b independently is a bond or C 1 -C 3 alkylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 3b independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR fb , C(O)R fb , C(O)OR fb , OC(O)R fb , S(O) 2 R fb , NR fb R gb , OC(O)NR fb R gb , NR fb C(O)OR gb , C(O)NR fb R gb , and NR fb C(O)R gb , each of R fb and R gb independently being H or C 1 -C 6 alkyl, in which the C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl or 5- to 6-membered heteroaryl is optionally substituted with one or more halo, cyano, hydroxyl, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, or C 1 -C 6 alkoxy; or -Q 3b -T 3b is oxo;

R 8b is H or C 1 -C 6 alkyl;

R 9b is -Q 4b -T 4b , in which Q 4b is a bond or C 1 -C 6 alkylene, C 2 -C 6 alkenylene, or C 2 -C 6 alkynylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxyl, and T 4b is H, halo, OR hb , NR hb R ib , NR hb (O)R ib , C(O)NR hb R ib , C(O)R hb , C(O)OR hb , NR hb C(O)OR ib , OC(O)NR hb R ib , S(O) 2 R hb , S(O) 2 NR hb R ib , or R S2b , in which each of R hb and R ib independently is H or C 1 -C 6 alkyl, and R S2b is C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, or a 5- to 10-membered heteroaryl, and R S2b is optionally substituted with one or more -Q 5b -T 5b , wherein each Q 5b independently is a bond or C 1 -C 3 alkylene linker each optionally substituted with one or more of halo, cyano, hydroxyl, or C 1 -C 6 alkoxy, and each T 5b independently is selected from the group consisting of H, halo, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 8 cycloalkyl, C 6 -C 10 aryl, 4- to 7-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, 5- to 6-membered heteroaryl, OR jb , C(O)R jb , OC(O)OR jb , OC(O)R jb , S(O) 2 R jb , NR jb R kb , OC(O)NR jb R kb , NR jb C(O)OR kb , C(O)NR jb R kb , and NR jb C(O)R kb , each of R jb and R kb independently being H or C 1 -C 6 alkyl; or -Q 5b -T 5b is oxo;

R 10b is 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, which is optionally substituted with one or more halo, cyano, hydroxyl, oxo, amino, mono- or di- alkylamino, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, or C 1 -C 6 alkoxy; and

R 10b and R 12b together with the carbon atom to which they are attached form a C 3 -C 12 cycloalkyl or 4- to 12-membered heterocycloalkyl containing 1-4 heteroatoms selected from N, O, and S, wherein the C 3 -C 12 cycloalkyl or 4- to 12-membered heterocycloalkyl is optionally substituted with one or more of halo, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, hydroxyl, oxo, amino, mono- or di- alkylamino, or C 1 -C 6 alkoxyl.

69 .- 122 . (canceled)

123 . The method of claim 3 , wherein the compound is selected from those in Tables 1-6, 6A, and 7, and pharmaceutically acceptable salts thereof.

124 .- 135 . (canceled)

136 . The method of claim 1 , further comprising administering to the subject in need thereof a therapeutically effective amount of one or more additional therapeutic agent.

137 .- 157 . (canceled)

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 14, 2021
From: CAMPBELL, JOHN EMMERSON; DUNCAN, KENNETH WILLIAM; PENEBRE, ELAYNE; COSMOPOULOS, KAT; KLAUS, CHRISTINE
To: EPIZYME, INC.
Reel/Frame 057478/0621 →