Heterocyclic modulators of lipid synthesis
Compounds that are fatty acid synthesis modulators are provided. The compounds may be used to treat disorders characterized by disregulation of the fatty acid synthase function by modulating the function and/or the fatty acid synthase pathway. Methods are provided for treating such disorders including viral infections, such as hepatitis C infection, cancer and metabolic disorders, such as non-alcoholic steatohepatitis (NASH).
1. A method of treating non-alcoholic steatohepatitis (NASH), the method comprising administering to a subject in need thereof a fatty acid synthase inhibitor of Formula (IX):
or a pharmaceutically acceptable salt thereof, wherein:
R 1 is H, —CN, halogen, C 1 -C 4 straight or branched alkyl, —O—(C 3 -C 5 cycloalkyl), —O—(C 1 -C 4 straight or branched alkyl) wherein:
C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom; and
when R 1 is not H, or halogen, it is optionally substituted with one or more halogens;
each R 2 is independently hydrogen, halogen, or C 1 -C 4 straight or branched alkyl;
R 3 is H, —OH, or halogen;
R 21 is H, halogen, C 1 -C 4 straight or branched alkyl, or C 3 -C 5 cycloalkyl wherein the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
R 22 is H, halogen, or C 1 -C 2 alkyl;
R 24 is H, C 1 -C 4 straight or branched alkyl, —(C 1 -C 4 alkyl) t -OH, —(C 1 -C 4 alkyl) t -O t —(C 3 -C 5 cycloalkyl), or —(C 1 -C 4 alkyl) t -O—(C 1 -C 4 straight or branched alkyl) wherein:
t is 0 or 1; and
the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
L 1 is CR 23 or N;
L 2 is CH or N;
at least one of L 1 or L 2 is N; and
R 23 is H or C 1 -C 4 straight or branched alkyl.
2. The method of claim 1 , wherein treating the non-alcoholic steatohepatitis comprises reversing at least one symptom of established non-alcoholic steatohepatitis.
3. The method of claim 1 , wherein treating the non-alcoholic steatohepatitis comprises preventing the progression of at least one symptom of non-alcoholic steatohepatitis.
4. The method of claim 1 , wherein R 21 is C 3 -C 5 cycloalkyl.
5. The method of claim 4 , wherein R 21 is cyclobutyl.
6. The method of claim 5 , wherein R 1 is —CN.
7. The method of claim 6 , wherein R 22 is C 1 -C 2 alkyl.
8. The method of claim 7 , wherein R 24 is C 1 -C 2 alkyl.
9. The method of claim 1 , wherein the fatty acid synthase inhibitor of Formula (IX) is:
or a pharmaceutically acceptable salt thereof.
10. A method of treating non-alcoholic fatty liver disease (NAFLD), the method comprising administering to a subject in need thereof a fatty acid synthase inhibitor of Formula (IX):
or a pharmaceutically acceptable salt thereof, wherein:
R 1 is H, —CN, halogen, C 1 -C 4 straight or branched alkyl, —O—(C 3 -C 5 cycloalkyl), —O—(C 1 -C 4 straight or branched alkyl) wherein:
C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom; and
when R 1 is not H, —CN, or halogen, it is optionally substituted with one or more halogens;
each R 2 is independently hydrogen, halogen, or C 1 -C 4 straight or branched alkyl;
R 3 is H, —OH, or halogen;
R 21 is H, halogen, C 1 -C 4 straight or branched alkyl, or C 3 -C 5 cycloalkyl wherein the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
R 22 is H, halogen, or C 1 -C 2 alkyl;
R 24 is H, C 1 -C 4 straight or branched alkyl, —(C 1 -C 4 alkyl) t -OH, —(C 1 -C 4 alkyl) t -O t —(C 3 -C 5 cycloalkyl), or —(C 1 -C 4 alkyl) t -O—(C 1 -C 4 straight or branched alkyl) wherein:
t is 0 or 1; and
the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
L 1 is CR 23 or N;
L 2 is CH or N;
at least one of L 1 or L 2 is N; and
R 23 is H or C 1 -C 4 straight or branched alkyl.
11. The method of claim 10 , wherein R 21 is —C 3 -C 5 cycloalkyl.
12. The method of claim 11 , wherein R 21 is cyclobutyl.
13. The method of claim 12 , wherein R 1 is —CN.
14. The method of claim 13 , wherein R 22 is C 1 -C 2 alkyl.
15. The method of claim 14 , wherein R 24 is C 1 -C 2 alkyl.
16. The method of claim 10 , wherein the fatty acid synthase inhibitor of Formula (IX) is:
or a pharmaceutically acceptable salt thereof.
17. A method of treating liver cirrhosis, the method comprising administering to a subject in need thereof a fatty acid synthase inhibitor of Formula (IX):
or a pharmaceutically acceptable salt thereof, wherein:
R 1 is H, —CN, halogen, C 1 -C 4 straight or branched alkyl, —O—(C 3 -C 5 cycloalkyl), —O—(C 1 -C 4 straight or branched alkyl) wherein:
C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom; and
when R 1 is not H, or halogen, it is optionally substituted with one or more halogens;
each R 2 is independently hydrogen, halogen, or C 1 -C 4 straight or branched alkyl;
R 3 is H, —OH, or halogen;
R 21 is H, halogen, C 1 -C 4 straight or branched alkyl, or C 3 -C 5 cycloalkyl wherein the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
R 22 is H, halogen, or C 1 -C 2 alkyl;
R 24 is H, C 1 -C 4 straight or branched alkyl, —(C 1 -C 4 alkyl) t -OH, —(C 1 -C 4 alkyl) t -O t —(C 3 -C 5 cycloalkyl), or —(C 1 -C 4 alkyl) t -O—(C 1 -C 4 straight or branched alkyl) wherein:
t is 0 or 1; and
the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
L 1 is CR 23 or N;
L 2 is CH or N;
at least one of L 1 or L 2 is N; and
R 23 is H or C 1 -C 4 straight or branched alkyl.
18. A method of treating liver fibrosis, the method comprising administering to a subject in need thereof a fatty acid synthase inhibitor of Formula (IX):
or a pharmaceutically acceptable salt thereof, wherein:
R 1 is H, —CN, halogen, C 1 -C 4 straight or branched alkyl, —O—(C 3 -C 5 cycloalkyl), —O—(C 1 -C 4 straight or branched alkyl) wherein:
C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom; and
when R 1 is not H, or halogen, it is optionally substituted with one or more halogens;
each R 2 is independently hydrogen, halogen, or C 1 -C 4 straight or branched alkyl;
R 3 is H, —OH, or halogen;
R 21 is H, halogen, C 1 -C 4 straight or branched alkyl, or C 3 -C 5 cycloalkyl wherein the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
R 22 is H, halogen, or C 1 -C 2 alkyl;
R 24 is H, C 1 -C 4 straight or branched alkyl, —(C 1 -C 4 alkyl) t -OH, —(C 1 -C 4 alkyl) t -O t —(C 3 -C 5 cycloalkyl), or —(C 1 -C 4 alkyl) t -O—(C 1 -C 4 straight or branched alkyl) wherein:
t is 0 or 1; and
the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
L 1 is CR 23 or N;
L 2 is CH or N;
at least one of L 1 or L 2 is N; and
R 23 is H or C 1 -C 4 straight or branched alkyl.
19. A method of reversing established non-alcoholic steatohepatitis (NASH), the method comprising administering to a subject in need thereof a fatty acid synthase inhibitor of Formula (IX):
or a pharmaceutically acceptable salt thereof, wherein:
R 1 is H, —CN, halogen, C 1 -C 4 straight or branched alkyl, —O—(C 3 -C 5 cycloalkyl), —O—(C 1 -C 4 straight or branched alkyl) wherein:
C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom; and
when R 1 is not H, or halogen, it is optionally substituted with one or more halogens;
each R 2 is independently hydrogen, halogen, or C 1 -C 4 straight or branched alkyl;
R 3 is H, —OH, or halogen;
R 21 is H, halogen, C 1 -C 4 straight or branched alkyl, or C 3 -C 5 cycloalkyl wherein the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
R 22 is H, halogen, or C 1 -C 2 alkyl;
R 24 is H, C 1 -C 4 straight or branched alkyl, —(C 1 -C 4 alkyl) t -OH, —(C 1 -C 4 alkyl) t -O t —(C 3 -C 5 cycloalkyl), or —(C 1 -C 4 alkyl) t -O—(C 1 -C 4 straight or branched alkyl) wherein:
t is 0 or 1; and
the C 3 -C 5 cycloalkyl optionally includes an oxygen or nitrogen heteroatom;
L 1 is CR 23 or N;
L 2 is CH or N;
at least one of L 1 or L 2 is N; and
R 23 is H or C 1 -C 4 straight or branched alkyl.