Heteroaryl compounds and uses thereof
The present invention provides compounds, pharmaceutically acceptable compositions thereof, and methods of using the same.
1. A compound of formula I:
or a pharmaceutically acceptable salt thereof, wherein:
X 1 is —NR 4 , N, —CR 4 R 4′ , or —CR 4 ;
X 2 is —NR 5 , N, —CR 5 R 5′ , or —CR 5 ;
X 3 is N or CR 6
X 4 is N or CR 7 ;
X 5 is N, C, or CH; wherein at least one of X 1 , X 2 , X 3 , X 4 , or X 5 is N;
G is H, O, OR, or N(R)(R);
Ring A is an optionally substituted group selected from a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, a 4-7 membered saturated or partially unsaturated heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 7-10 membered bicyclic saturated, partially unsaturated or aryl ring;
each R is independently hydrogen or an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 4-7 membered heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur; or
two R groups on the same nitrogen are taken together with the nitrogen atom to which they are attached to form a 4-7 membered heterocyclic ring having 0-2 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 4-7 membered heteroaryl ring having 0-4 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur;
R 1 is a warhead group -L-Y; wherein R 1 is attached to an atom adjacent to the atom where T is attached, wherein:
R 1 is selected from
or
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, —C(O)O—, cyclopropylene, —O—, —N(R)—, or —C(O)—; or
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one alkylidenyl double bond and at least one methylene unit of L is replaced by —C(O)—, —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—, and one additional methylene unit of L is optionally replaced by cyclopropylene, —O—, —N(R)—, or —C(O)—; or
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein one methylene unit of L is replaced by cyclopropylene and one additional methylene unit of L is replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—; or
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one triple bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—; and
the Y group of R 1 is hydrogen, C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN, or a 3-10 membered monocyclic or bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, and wherein said ring is substituted with 1-4 R e groups; or
L is a covalent bond, —CH 2 —, —NH—, —C(O)—, —CH 2 NH—, —NHCH 2 —, —NHC(O)—, —NHC(O)CH 2 OC(O)—, —CH 2 NHC(O)—, —NHSO 2 —, —NHSO 2 CH 2 , or —SO 2 NH—, and the Y group of R 1 is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(ii) C 2-6 alkenyl substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
L is a covalent bond, —C(O)—, —N(R)C(O)—, or a bivalent C 1-8 saturated or unsaturated, straight or branched, hydrocarbon chain; and the Y group of R 1 is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(ii) C 2-6 alkenyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups;
each R e is independently selected from -Q-Z, oxo, NO 2 , halogen, CN, C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN, or a suitable leaving group selected from alkoxy, sulphonyloxy, optionally substituted alkylsulphonyloxy, optionally substituted alkenylsulfonyloxy, optionally substituted arylsulfonyloxy, acyl, or diazonium, wherein:
Q is a bivalent C 1-6 saturated or unsaturated, straight or branched, hydrocarbon chain, wherein one or two methylene units of Q are optionally and independently replaced by —N(R)—, —S—, —O—, —C(O)—, —OC(O)—, —C(O)O—, —SO—, or —SO 2 —, —N(R)C(O)—, —C(O)N(R)—, —N(R)SO 2 —, or —SO 2 N(R)—; and
each Z is independently hydrogen or C 1-6 aliphatic substituted with oxo, halogen, NO 2 , or CN;
each R 2 is independently —R, halogen, -haloalkyl, —OR, —SR, —CN, —NO 2 , —SO 2 R, —SOR, —C(O)R, —CO 2 R, —C(O)N(R) 2 , —NRC(O)R, —NRC(O)N(R) 2 , —NRSO 2 R, or —N(R) 2 ;
R 3 is hydrogen, C 2-6 alkenyl, -W-Cy, or C 1-6 alkyl, wherein the C 1-6 alkyl is optionally substituted with 1-3 groups independently selected from halogen, —CN, oxo, —OR′, or —C(O)O(C 1-6 alkyl);
W is absent or is a bivalent C 1-3 alkylene chain optionally substituted with one or more R″ and wherein one methylene unit of W is optionally replaced with —O—, —S—, or —NR′—;
each R′ is independently hydrogen or C 1-6 alkyl;
each R″ is independently halogen or C 1-6 alkyl, wherein the C 1-6 alkyl is optionally substituted with 1-3 groups independently selected from halogen, —CN, oxo, or —OR′;
Cy is phenyl, C 3-7 cycloalkyl, or a 3-7 membered monocyclic or 5-10 membered bicyclic saturated, partially unsaturated, or heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein Cy is optionally substituted with 1-3 R x ;
each R x is independently H, —CN, oxo, —NH 2 , C 1-6 alkyl, halogen, —OR′, —N(R′) 2 , —NHC(O)(C 1-6 alkyl), —C(O)N(R′) 2 , —C(O)O(C 1-6 alkyl), —NHSO 2 (C 1-6 alkyl), or —SO 2 N(R′) 2 ;
or R 3 is absent if not allowed by valence;
each of R 4 and R 4′ is independently hydrogen or an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 3-8 membered saturated or partially unsaturated carbocyclic ring which is optionally bridged, a 4-7 membered heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 7-10 membered bicyclic saturated, partially unsaturated or aryl ring, which is optionally bridged;
each of R 5 and R 5′ is independently —R, halogen, —OR, —SR, —CN, —NO 2 , —SO 2 R, —SOR, —C(O)R, —CO 2 R, —C(O)N(R) 2 , —NRC(O)R, —NRC(O)N(R) 2 , —NRSO 2 R, or —N(R) 2 ;
Y is O or NR a ;
R a is hydrogen or an optionally substituted C 1-6 aliphatic group;
T is a covalent bond or a bivalent straight or branched, saturated or unsaturated C 1-6 hydrocarbon chain wherein one or more methylene units are optionally replaced by —O—, —S—, —N(R)—, —C(O)—, —OC(O)—, —C(O)O—, —C(O)N(R)—, —N(R)C(O)—, —N(R)C(O)N(R)—, —S(O)—, —SO 2 —, —SO 2 N(R)—, —N(R)SO 2 —, or —N(R)SO 2 N(R)—;
q is 0-6; and
each of R 6 and R 7 is independently —R, halogen, —OR, —SR, —CN, —NO 2 , —SO 2 R, —SOR, —C(O)R, —CO 2 R, —C(O)N(R) 2 , —NRC(O)R, —NRC(O)N(R) 2 , —NRSO 2 R, or —N(R) 2 .
2. The compound according to claim 1 , wherein Ring A is cyclohexyl, cyclohexenyl, cyclopentyl, cyclobutyl, cyclopropyl, pyridine, pyrimidine, pyrazine, pyridazine, pyrrole, pyrazole, piperidine, piperidin-one, pyrrolidine, tetrahydropyran, tetrahydrofuran, tetrahydrothiophene dioxide, or cyclobutene dione.
3. The compound according to claim 1 , wherein Ring A is
4. The compound according to claim 3 , wherein each R 2 is independently halogen, -haloalkyl, —OR, —SR, —CN, —NO 2 , —SO 2 R, —SOR, —C(O)R, —CO 2 R, —C(O)N(R) 2 , —NRC(O)R, —NRC(O)N(R) 2 , —NRSO 2 R, or —N(R) 2 .
5. The compound according to claim 3 , wherein each R 2 is independently —CH 3 , —Cl, —F, —CF 3 , or —OMe; or is selected from
6. The compound according to claim 1 , wherein Ring A is selected from:
7. The compound according to claim 1 , wherein R 3 is
8. The compound according to claim 1 , wherein R 4 is an optionally substituted phenyl.
9. The compound according to claim 1 , wherein R 4 is an optionally substituted C 1-6 aliphatic, or an optionally substituted ring selected from a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 4-7 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur.
10. The compound according to claim 1 , wherein R 4 is ethyl, phenyl, cyclohexyl,
11. The compound according to claim 1 , wherein each of R 5 and R 5′ is independently H, or -Me.
12. The compound according to claim 1 , wherein T is a covalent bond.
13. The compound according to claim 1 , wherein T is a bivalent straight or branched, saturated or unsaturated C 1-6 hydrocarbon chain wherein one or more methylene units are optionally replaced by —O—, —S—, —N(R)—, —C(O)—, —OC(O)—, —C(O)O—, —C(O)N(R)—, —N(R)C(O)—, —N(R)C(O)N(R)—, —N(R)SO 2 —, or —N(R)SO 2 N(R)—.
14. The compound of claim 1 , wherein said compound is of one of the following formulae:
or a pharmaceutically acceptable salt thereof.
15. The compound according to claim 1 , wherein the compound is a compound of formula I-h:
or a pharmaceutically acceptable salt thereof.
16. The compound according to claim 1 , selected from
or a pharmaceutically acceptable salt thereof.
17. The compound according to claim 1 , selected from
or a pharmaceutically acceptable salt thereof.
18. The compound according to claim 1 , wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, —C(O)O—, cyclopropylene, —O—, —N(R)—, or —C(O)—.
19. The compound according to claim 18 , wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and at least one methylene unit of L is replaced by —C(O)—, —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—, and one additional methylene unit of L is optionally replaced by cyclopropylene, —O—, —N(R)—, or —C(O)—; and
the Y group of R 1 is hydrogen or C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN.
20. The compound according to claim 19 , wherein L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and at least one methylene unit of L is replaced by —C(O)—, and one additional methylene unit of L is optionally replaced by cyclopropylene, —O—, —N(R)—, or —C(O)—.
21. The compound according to claim 19 , wherein L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and at least one methylene unit of L is replaced by —OC(O)—.
22. The compound according to claim 19 , wherein L is —NRC(O)CH═CH—, —NRC(O)CH═CHCH 2 N(CH 3 )—, —NRC(O)CH═CHCH 2 O—, —CH 2 NRC(O)CH═CH—, —NRSO 2 CH═CH—, —NRSO 2 CH═CHCH 2 —, —NRC(O)C(═CH 2 )CH 2 —, or —CH 2 NRC(O)cyclopropylene-; wherein the R group of L is H or optionally substituted C 1-6 aliphatic; and the Y group of R 1 is hydrogen or C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN.
23. The compound according to claim 22 , wherein L is —NHC(O)CH═CH—, —NHC(O)CH═CHCH 2 N(CH 3 )—, —NHC(O)CH═CHCH 2 O—, —CH 2 NHC(O)CH═CH—, —NHSO 2 CH═CH—, —NHSO 2 CH═CHCH 2 —, —NHC(O)C(═CH 2 )CH 2 —, or —CH 2 NHC(O)cyclopropylene-.
24. The compound according to claim 1 , wherein L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one alkylidenyl double bond and at least one methylene unit of L is replaced by —C(O)—, —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—, and one additional methylene unit of L is optionally replaced by cyclopropylene, —O—, —N(R)—, or —C(O)—.
25. The compound according to claim 1 , wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one triple bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—.
26. The compound according to claim 25 , wherein the Y group of R 1 is hydrogen or C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN.
27. The compound according to claim 26 , wherein L is —C≡C—, —NHC(O)C≡CCH 2 CH 2 —, —CH 2 —C≡C—CH 2 —, or —CH 2 OC(═O)C≡C—.
28. The compound according to claim 1 , wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein one methylene unit of L is replaced by cyclopropylene and one additional methylene unit of L is replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, or —C(O)O—.
29. The compound according to claim 1 , wherein:
L is a covalent bond, —C(O)—, —N(R)C(O)—, or a bivalent C 1-8 saturated or unsaturated, straight or branched, hydrocarbon chain.
30. The compound according to claim 1 , wherein L is a covalent bond, —CH 2 —, —NH—, —C(O)—, —CH 2 NH—, —NHCH 2 —, —NHC(O)—, —NHC(O)CH 2 OC(O)—, —CH 2 NHC(O)—, —NHSO 2 —, —NHSO 2 CH 2 —, or —SO 2 NH—.
31. The compound according to claim 30 , wherein L is a covalent bond.
32. The compound according to claim 1 wherein the Y group of R 1 is selected from:
wherein each R e is independently selected from halogen.
33. The compound according to claim 1 , wherein R 1 is selected from:
wherein each R e is independently a suitable leaving group, NO 2 , CN, or oxo.
34. The compound of claim 1 , wherein R 1 is selected from:
35. A composition comprising a compound according to claim 1 , and a pharmaceutically acceptable adjuvant, carrier, or vehicle.
36. A conjugate of formula:
Cys552-modifier-inhibitor moiety
wherein:
Cys552 is cysteine residue Cys552 of fibroblast growth factor receptor 4 (FGFR4) kinase;
the modifier is a bivalent group resulting from covalent bonding of a warhead group with the Cys552 of FGFR4 kinase;
the warhead group is a functional group capable of covalently binding to Cys552; and
the inhibitor moiety is a moiety that binds in the binding site of the FGFR4 kinase;
wherein the modifier-inhibitor moiety comprises the structure
wherein:
Ring A is an optionally substituted group selected from a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, a 4-7 membered saturated or partially unsaturated heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 7-10 membered bicyclic saturated, partially unsaturated or aryl ring;
each R 2 is independently —R, halogen, -haloalkyl, —OR, —SR, —CN, —NO 2 , —SO 2 R, —SOR, —C(O)R, —CO 2 R, —C(O)N(R) 2 , —NRC(O)R, —NRC(O)N(R) 2 , —NRSO 2 R, or —N(R) 2 ;
each R is independently hydrogen or an optionally substituted group selected from C 1-6 aliphatic, phenyl, a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 4-7 membered heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur; or
two R groups on the same nitrogen are taken together with the nitrogen atom to which they are attached to form a 4-7 membered heterocyclic ring having 0-2 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 4-7 membered heteroaryl ring having 0-4 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur; and
q is 0-6.
37. The compound according to claim 15 , wherein:
Ring A is an optionally substituted group selected from a 3-8 membered saturated or partially unsaturated carbocyclic ring or a 4-7 membered saturated or partially unsaturated heterocyclic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
R 1 is a warhead group -L-Y; wherein R 1 is attached to an atom adjacent to the atom where T is attached, wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, —C(O)O—, cyclopropylene, —O—, —N(R)—, or —C(O)—; and
the Y group of R 1 is hydrogen, C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN, or a 3-10 membered monocyclic or bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, and wherein said ring is substituted with 1-4 R e groups;
R 3 is C 1-6 alkyl;
R 4 is optionally substituted phenyl; and
R a is hydrogen.
38. The compound according to claim 15 , wherein:
is selected from
R 1 is a warhead group -L-Y; wherein:
L is a bivalent C 2-8 straight or branched, hydrocarbon chain wherein L has at least one double bond and one or two methylene units of L are optionally and independently replaced by —NRC(O)—, —C(O)NR—, —N(R)SO 2 —, —SO 2 N(R)—, —S—, —S(O)—, —SO 2 —, —OC(O)—, —C(O)O—, cyclopropylene, —O—, —N(R, or —C(O)—; and
the Y group of R 1 is hydrogen, C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN, or a 3-10 membered monocyclic or bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, and wherein said ring is substituted with 1-4 R e groups;
R 3 is C 1-6 alkyl;
R 4 is optionally substituted phenyl; and
R a is hydrogen.
39. The compound according to claim 37 , wherein L is —NRC(O)CH═CH—, —NRC(O)CH═CHCH 2 N(CH 3 )—, —NRC(O)CH═CHCH 2 O—, —CH 2 NRC(O)CH═CH—, —NRSO 2 CH═CH—, —NRSO 2 CH═CHCH 2 —, —NRC(O)C(═CH 2 )CH 2 —; wherein the R group of L is H or optionally substituted C 1-6 aliphatic; and the Y group of R 1 is hydrogen or C 1-6 aliphatic optionally substituted with oxo, halogen, NO 2 , or CN.
40. The compound according to claim 39 , wherein R 1 is
41. The compound according to claim 40 , wherein R 4 is selected from:
42. The compound according to claim 1 selected from
or a pharmaceutically acceptable salt thereof.
43. The compound according to claim 1 , wherein the compound is:
or a pharmaceutically acceptable salt thereof.
44. The compound according to claim 1 , wherein the compound is:
or a pharmaceutically acceptable salt thereof.
45. The compound according to claim 1 , wherein the compound is:
or a pharmaceutically acceptable salt thereof.
46. The compound according to claim 1 , wherein the compound is:
or a pharmaceutically acceptable salt thereof.
47. A composition comprising a compound according to claim 37 , and a pharmaceutically acceptable adjuvant, carrier, or vehicle.
48. A composition comprising the compound according to claim 43 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable adjuvant, carrier, or vehicle.
49. A composition comprising the compound according to claim 44 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable adjuvant, carrier, or vehicle.
50. A composition comprising the compound according to claim 45 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable adjuvant, carrier, or vehicle.
51. A composition comprising the compound according to claim 46 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable adjuvant, carrier, or vehicle.