Bifunctional degraders of interleukin-1 receptor-associated kinases and therapeutic use thereof
The present disclosure provides bifunctional compounds as IRAK4 degraders via ubiquitin proteasome pathway, and method for treating diseases modulated by IRAK4.
1 . A compound of Formula (I)
or a pharmaceutically acceptable salt or isotopic form thereof, wherein:
R 1 is C 1-10 alkyl optionally substituted with 1-3 R a ; C 3-10 cycloalkyl optionally substituted with 1-3 R a ; or 3-12 membered heterocyclyl optionally substituted with 1-3 R a ;
L is -L 1 -L 2 -L 3 -L 4 -L 5 -, each L 1 , L 2 , L 3 , L 4 and L 5 being independently:
a) C 3-12 cycloalkyl optionally substituted with 1-3 R b ;
b) C 6-12 aryl optionally substituted with 1-3 R b ;
c) 3-12 membered heterocyclyl optionally substituted with 1-3 R b ;
d) 5-12 membered heteroaryl optionally substituted with 1-3 R b ;
e) direct bond;
f) C 1-12 alkylene chain optionally substituted with 1-3 R d ;
g) C 2-12 alkenylene chain optionally substituted with 1-3 R d ;
h) C 2-12 alkynylene chain optionally substituted with 1 to 3 R d ;
i) 1-6 ethylene glycol units;
j) 1-6 propylene glycol units;
k) —C(O)—, —C(O)O—, —O—, —N(R c )—, —S—, —C(S)—, —C(S)—O—, —S(O) 2 —, —S(O)═N—, —S(O) 2 NH—, —C(O)—N(R c )—, —C═N—, —O—C(O)—N(R c )—, or —O—C(O)—O—;
LHM is a ligase harness moiety;
each R a is independently halo, —CN, C 1-3 alkyl optionally substituted with 1 to 3 R d , C 3-6 cycloalkyl optionally substituted with 1 to 3 R d , or —OR c ;
each R b is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R c , —C(O)—R c , —C(O)O—R c , —C(O)—N(R c )(R c ), —N(R c )(R c ), —N(R c )C(O)—R c , —N(R c )C(O)O—R c , —N(R c )C(O)N(R c )(R c ), —N(R c )S(O) 2 (R c ), —NRCS(O) 2 N(R c )(R c ), —N(R c )S(O) 2 O(R c ), —OC(O) R c , —OC(O)—N(R c )(R c ), —Si(R c ) 3 , —S—R c , —S(O) R c , —S(O)(NH)R c , —S(O) 2 R c or —S(O) 2 N(R c )(R c ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R d ;
each R c is independently hydrogen or C 1-6 alkyl; and
each R d is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, or C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
2 . The compound of claim 1 having the following structure:
3 . The compound of claim 1 , wherein LHM targets cereblon and has the following structure:
wherein,
W is —C(R g )— or —N—;
Y is direct bond, C 1-4 alkylene chain, —C(O)—, —C(O)O—, —O—, —N(R g )—, —S—C(S)—, —C(S)—O—, —O—C(O)O—, —C(O)—N(R g )—, or —O—C(O)—N(R g )—;
B ring is C 6-12 aryl, 5-12 membered heteroaryl, or 3-12 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ;
R g is hydrogen or C 1-6 alkyl; and
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
4 . The compound of claim 3 , wherein Y is direct bond and Formula (IIA) has the following structure:
wherein,
W is —C(R g )— or —N—;
Z 1 is —C(O)—, —C(S)—, —C(NR g )—, —C(R g ) 2 —, —N═, —N(R g )—, —C(R g ) 2 —C(O)—, —C(O)—N(R g )—, —CR g ═CR g —, —C(R g ) 2 —C(S)—, —C(R g )═N—, or —C(R g ) 2 —C(R g ) 2 —;
Z 2 is —C(O)—, —C(S)—, —C(NR g )—, —N(R g )—, —N═, or —C(R g ) 2 —;
R g is hydrogen or C 1-6 alkyl; and
E ring is phenyl, 5-6 membered heteroaryl or 5-6 membered heterocyclyl, each being optionally substituted with 1 to 3 R j .
5 . The compound of claim 4 , wherein Z 2 is —C(O)— and Formula (IIA1) has the following structure:
wherein,
W is —C(R g )— or —N—;
Z 1 is —C(O)—, —C(S)—, —C(NR g )—, —C(R g ) 2 —, —C(R g ) 2 —C(O)—, —C(O)—N(R g )—, —CR g ═CR g —, —C(R g )═N—, —C(R g ) 2 —C(S)—, or —C(R g ) 2 —C(R g ) 2 —;
q is 0, 1 or 2;
R g is hydrogen or C 1-6 alkyl; and
R 2 is C 1-6 alkyl, halo, halo C 1-6 alkyl, —N(R g ) 2 , CN, nitro, hydroxyl, or —O—C 1-4 alkyl.
6 . The compound of claim 5 wherein
W is —CH—; and
Z 1 is —C(O)—, —CH 2 —, —CH 2 —C(O)—, or —CH═CH—.
7 . The compound of claim 6 , wherein Formula (IIA1′) has one of the following structures:
8 . The compound of claim 3 wherein Formula (IIA) has the following structure:
wherein,
W is —C(R g )— or —N—;
Z 3 is —C(O)—, —C(S)—, —C(NR g )—, —C(R g ) 2 —, —N═, —N(R g )—, —C(R g ) 2 —C(O)—, —C(O)—N(R g )—, —CR g ═CR g —, —C(R g ) 2 —C(S)—, —C(R g )═N—, —C(R g ) 2 —C(R g ) 2 —, —C(R g ) 2 —O—, —C(R g ) 2 —S—, —O—, or —S—;
Z 4 is —C(O)—, —C(S)—, —C(NR g )—, —N(R g )—, —N═, —O—, —S—, or —C(R g ) 2 —;
R g is hydrogen or C 1-6 alkyl;
E ring is phenyl, 5-6 membered heteroaryl or 5-6 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ; and
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
9 . The compound of claim 8 wherein
W is —CH—;
Z 3 is —C(R g ) 2 —, —N(R g )—, —C(R g ) 2 —C(O)—, —C(O)—N(R g )—, —CR g ═CR g —, —C(R g ) 2 —C(S)—, —C(R g )═N—, —C(R g ) 2 —C(R g ) 2 —, —C(R g ) 2 —O—, or —C(R g ) 2 —S—; and
Z 4 is —C(O)—, —C(S)—, —C(NR g )—, or —C(R g ) 2 —.
10 . The compound of claim 9 , wherein Formula (IIA2) has the following structure:
wherein, q is 0, 1 or 2;
R g is hydrogen or C 1-6 alkyl; and
R 2 is C 1-6 alkyl, halo, halo C 1-6 alkyl, —N(R g ) 2 , CN, nitro, hydroxyl, or —O—C 1-4 alkyl.
11 . The compound of claim 10 wherein Formula (IIA2′) has the following structures:
12 . The compound of claim 3 , wherein
W is —CH—;
Y is direct bond, C 1-4 alkylene chain, —C(O)—, —C(O)O—, —O—, —N(R g )—, —S—, —C(S)—, —C(S)—O—, —O—C(O)O—, —C(O)—N(R g )—, —O—C(O)—N(R g )—; and
B ring is phenyl, 5-6 membered heteroaryl, or 5-6 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
R g is hydrogen or C 1-6 alkyl;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ; and
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
13 . The compound of claim 12 wherein Formula (IIA) has one of the following structures:
14 . The compound of claim 1 , wherein LHM targets cereblon and has the following structure:
wherein,
W is —C(R g )— or —N—;
D ring is phenyl, 5-6 membered heteroaryl, or 5-6 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
B ring is C 6-12 aryl, 5-12 membered heteroaryl, or 3-12 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
R g is hydrogen or C 1-6 alkyl;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ; and
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
15 . The compound of claim 14 , wherein Formula (IIB) has the following structure:
wherein
Z 5 is —C(O)—, —C(S)—, —C(NR g )—, —N(R g )—, —N═, or —C(R g ) 2 —;
Z 6 is —C(O)—, —C(S)—, —C(NR g )—, —C(R g ) 2 —, —N═, —N(R g )—, —C(R g ) 2 —C(O)—, —C(O)—N(R g )—, —CR g ═CR g —, —C(R g ) 2 —C(S)—, —C(R g )═N—, or —C(R g ) 2 —C(R g ) 2 —;
Z 7 is —C(O)—, —C(S)—, —C(NR g )—, —N(R g )—, —O—, —S—, —N═, or —C(R g ) 2 —; and
R g is hydrogen or C 1-6 alkyl.
16 . The compound of claim 15 wherein Formula (IIB1) has the following structure:
17 . The compound of claim 16 wherein Formula (IB1′) has the following structure:
wherein,
q is 0, 1 or 2; and
R 2 is C 1-6 alkyl, halo, halo C 1-6 alkyl, —N(R c ) 2 , CN, nitro, hydroxyl, or —O—C 1-4 alkyl.
18 . The compound of claim 1 wherein LHM targets Von Hippel-Lindau (VHL) ligase and has one of the following structures:
wherein,
V 1 is —C(O)—, —C(O)O—, —C(O)O—C(R e ) 2 —, —C(O)—N(R e )—, —C(O)—C(R e ) 2 —, or —C(O)—N(R e )—C(R e ) 2 —;
V 2 is —C(O)—C(R e ) 2 —;
G ring is phenyl, 5-6 membered heteroaryl or 5-6 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
J ring is 5-12 membered heteroaryl or 5-12 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
each R e is independently hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ,
each R g is independently hydrogen or C 1-6 alkyl;
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro;
R 3 is hydrogen or hydroxyl; and
R 4 is —C(O)R f , wherein R f is C 1-6 alkyl or C 3-8 cycloalkyl, each being optionally substituted with halo or —CN.
19 . The compound of claim 18 wherein Formulae (IIIA), (IIIB), (IIIC) and (IIID) have the structures represented by Formulae (IIIA1), (IIIB1), (IIIC1), (IIID1), (IIIE1), respectively:
wherein,
p is 0 or 1;
R j is 5-6 member heteroaryl optionally substituted with 1 to 3 R k ;
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl, C 3-8 cycloalkyl, or —O—C 1-6 alkyl;
each R e is independently hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl;
each R g is independently hydrogen or C 1-6 alkyl;
R 3 is hydrogen or hydroxyl; and
R 4 is —C(O)R f , wherein R f is C 1-6 alkyl or C 3-8 cycloalkyl, each being optionally substituted with halo or —CN.
20 . The compound of claim 19 wherein p is 1 and R j is thiazolyl, oxazolyl, isoxazolyl, pyrazolyl, imidazolyl, 1,2,4-oxadiazolyl, 1,3,4-oxadiazolyl, each being optionally substituted with C 1-6 alkyl, C 3-8 cycloalkyl, halo, CN, haloalkyl, or hydroxyalkyl.
21 . The compound of claim 20 having one of the following structures:
22 . The compound of claim 19 wherein p is 0 and Formula (IIIA), (IIIB) or (IIIC), (IIID) has any one of the following structures:
23 . The compound of claim 1 wherein LHM targets inhibitor of apoptosis proteins (IAP) ligase and has one of the following structures:
wherein,
each R 5 is independently hydrogen or C 1-6 alkyl;
each R 6 is independently hydrogen, or C 1-6 alkyl;
each R 7 is independently hydrogen, C 1-6 alkyl, or C 3-8 cycloalkyl;
each R 8 is independently aryl, 5-12 membered cycloalkyl, 5-12 membered heteroaryl or 5-12 membered heterocyclyl, each being optionally substituted with 1 to 3 R j ;
each R 9 is independently hydrogen, halo, or C 1-6 alkyl;
each R j is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R g , —C(O)—R g , —C(O)O—R g , —C(O)—N(R g )(R g ), —N(R g )(R g ), —N(R g )C(O)—R g , —N(R g )C(O)O—R g , —N(R g )C(O)N(R g )(R g ), —N(R g )S(O) 2 (R g ), —NR g S(O) 2 N(R g )(R g ), —N(R g )S(O) 2 O(R g ), —OC(O)R g , —OC(O)—N(R g )(R g ), —Si(R g ) 3 , —S—R g , —S(O) R g , —S(O)(NH)R g , —S(O) 2 R g or —S(O) 2 N(R g )(R g ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R k ;
each R g is independently hydrogen or C 1-6 alkyl;
each R k is independently halo, oxo, —CN, —OH, C 1-6 alkyl optionally substituted with 1 to 3 fluoro, C 3-8 cycloalkyl, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro;
U 1 is direct bond or —C(O)—;
Z is —CH— or —N—; and
K ring is phenyl or naphthyl.
24 . The compound of claim 23 wherein Formulae (IVA), (IVB), (IVC) and (IVD) has the following structure, respectively:
25 . The compound of claim 1 , wherein L 1 has any one of the following ring structures:
wherein each ring may be optionally substituted by 1 to 3 R b ,
each R b is independently oxo, imino, sulfoximino, halo, nitro, —CN, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, 3-12 membered heterocyclyl, —O—R c , —C(O)—R c , —C(O)O—R c , —C(O)—N(R c )(R c ), —N(R c )(R c ), —N(R c )C(O)—R c , —N(R c )C(O)O—R c , —N(R c )C(O)N(R c )(R c ), —N(R c )S(O) 2 (R c ), —NRCS(O) 2 N(R c )(R c ), —N(R c )S(O) 2 O(R c ), —OC(O)R c , —OC(O)—N(R c )(R c ), —Si(R c ) 3 , —S—R c , —S(O) R c , —S(O)(NH)R c , —S(O) 2 R c or —S(O) 2 N(R c )(R c ), wherein each of C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-15 cycloalkyl, C 1-8 haloalkyl, C 6-12 aryl, 5-12 membered heteroaryl, and 3-12 membered heterocyclyl may be optionally substituted with 1 to 3 R d ; and
R d is independently halo, oxo, —CN, —OH, C 1-6 alkyl, C 3-8 cycloalkyl optionally substituted with 1 to 3 fluoro, or —O—C 1-6 alkyl optionally substituted with 1 to 3 fluoro.
26 . The compound of claim 25 , wherein L 1 has any one of the following ring structures:
27 . The compound of claim 25 , wherein -L 2 -L 3 -L 4 -L 5 - is —C(O)—, —NH—C(O)—, —C(O)—(CH 2 ) n —, —C(O)—(CH 2 ) n —C(O)—, —C(O)—(CH 2 ) n —O—, —(CH 2 ) n —, —C(O)—(CH 2 ) n —NH—, —C(O)—(CH 2 CH 2 O) m —, —C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —C(O)—, —C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —NH—, —C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —, —NH—C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —C(O)—, —NH—C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —NH—, —NH—C(O)—(CH 2 ) n —C(O)—, —NH—C(O)—(CH 2 CH 2 O) m —, —NH—C(O)—(CH 2 ) n —O—, —NH—C(O)—(CH 2 ) n —NH— or —NH—C(O)—(CH 2 CH 2 O) m —(CH 2 ) n —, wherein m is an integer of 1 to 6, and n is an integer of 1 to 12, and wherein one or two hydrogens of each of the above linker moieties may be replaced by C 1-3 alkyl.
28 . The compound of claim 27 , wherein L 1 is
and L has the one of the following structures:
wherein, m is 1, 2, 3, 4, 5 or 6 and n is 2, 3, 4, 5, or 6.
29 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein m is 1, 2, 3, 4, 5 or 6 and n is 2, 4, or 6.
30 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein, m is 1, 2, 3, 4, 5 or 6 and n is 2, 4, or 6.
31 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein m is 1, 2, 3, 4, 5 or 6.
32 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, 3, 4, 5, 6, 7 or 8.
33 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 2, 3, 4, 5 or 6.
34 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 4, 5, 6, 7 or 8.
35 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein R c is hydrogen or C 1-3 alkyl, n is 1, 2 or 3.
36 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, 3, 4, 5, 6, 7 or 8.
37 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein, m is 1, 2, 3, 4, 5 or 6 and n is 2, 4, or 6.
38 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, 3, 4, 5, or 6.
39 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
40 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein, m is 1, 2, 3, 4, 5 or 6 and n is 2, 4, or 6.
41 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, 3, 4, 5, 6, 7, 8 or 9.
42 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein m is 1, 2, 3, 4, 5, 6, 7 or 8.
43 . The compound of claim 27 , wherein L 1 is
and L has one of the following structures:
wherein, n is 1, 2, 3, 4, 5, 6, 7 or 8.
44 . The compound of claim 27 , wherein L 1 is
and L has one of the following structures:
wherein n is 1, 2 or 3.
45 . The compound of claim 27 , wherein L 1 is
and L has one of the following structures:
wherein n is 1, 2, 3, 4, 5, 6, 7, 8, or 9.
46 . The compound of claim 27 , wherein L 1 is
and L has one of the following structures:
wherein n is 1, 2, 3, 4, 5, 6, 7, 8, or 9.
47 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, or 3.
48 . The compound of claim 27 , wherein L 1 is
and L has the following structure:
wherein n is 1, 2, or 3.
49 . The compound of claim 27 , wherein L 1 is
and -L 2 -L 3 -L 4 -L 5 - is one of the following structures:
50 . The compounds of claim 1 wherein L has one of the following structures:
wherein R c is H or C 1-3 alkyl.
51 . The compounds of claim 1 wherein L or a partial L has one of the following structures:
52 . The compound of claim 1 , wherein R 1 is:
a) C 1-5 alkyl optionally substituted with halo, —OH, or —CN;
b) 4-8 membered heterocyclyl optionally substituted with halo, C 1-5 alkyl, —OH, or —CN;
c) C 3-10 cycloalkyl optionally substituted with halo, C 1-5 alkyl, —OH, or —CN.
53 . The compound of claim 52 wherein R 1 is oxetane, tetrahydrofuran or tetrahydropyran optionally substituted with F, C 1-3 alkyl, —OH, or —CN.
54 . The compound of claim 52 , wherein
the
moiety is:
55 . The compound of claim 52 , wherein the
moiety has one of the following structures:
56 . A compound which is:
or a pharmaceutically acceptable salt thereof.
57 . A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.