Methods using HDAC11 inhibitors
The present invention provides methods and uses of inhibitors of histone deacetylase 11 (HDAC11) in the treatment of diseases and/or disorders, such as, for example, cell proliferative diseases.
1. A method of treating cancer in a patient in need thereof, comprising administering to a patient an effective amount of a HDAC11 inhibitor, wherein the HDAC11 inhibitor is a compound of Formula I-A or a pharmaceutically acceptable salt thereof,
wherein:
X 1 , X 2 , X 3 , and X 4 are each CR 1 ;
R 1 is independently, at each occurrence, —H;
R 6 is —H, —C 1 -C 6 alkyl, —C 2 -C 6 alkenyl, —C 4 -C 8 cycloalkenyl, —C 2 -C 6 alkynyl, —C 3 -C 8 cycloalkyl, heterocyclyl, aryl, heteroaryl containing 1-5 heteroatoms selected from the group consisting of N, S, P and O, —S(O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 (C 1 -C 6 alkyl), —(C 1 -C 6 alkyl)S(O) 2 R 5 , —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, or —(CHR 5 ) p NR 3 R 4 wherein each alkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, and heteroaryl is optionally substituted with one or more substituents selected from —OH, halogen, —NO 2 , oxo, —CN, —R 5 , —O(C 1 -C 6 )alkyl, —NH(C 1 -C 6 )alkyl, —N(C 1 -C 6 alkyl) 2 , —S(O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 NHC 1 -C 6 alkyl, —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6alkyl, —N(C 1 -C 6 alkyl)S(O) 2 C 1 -C 6 alkyl, —S(O)R 5 , —S(O)N(C 1 -C 6 alkyl) 2 , —N(C 1 -C 6 alkyl)S(O)R 5 , heterocycle, aryl, or heteroaryl;
R 3 and R 4 are independently, at each occurrence, —H, —C 1 -C 6 alkyl, —C 2 -C 6 alkenyl, —C 4 -C 8 cycloalkenyl, —C 2 -C 6 alkynyl, —C 3 -C 8 cycloalkyl heterocyclyl, aryl, heteroaryl containing 1-5 heteroatoms selected from N, S, P, and O, —S(O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 (C 1 -C 6 alkyl),—(C 1 -C 6 alkyl)S(O) 2 R 5 , —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, oxo, or —(CHR 5 ) p N(C 1 -C 6 alkyl) 2 , wherein each alkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, and heteroaryl is optionally substituted with one or more substituents selected from —OH, halogen, —NO 2 , oxo, —CN, —R 5 , —O(C 1 -C 6 )alkyl, —NH(C 1 -C 6 )alkyl, —N(C 1 -C 6 alkly) 2 , —S(O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 NHC 1 -C 6 alkyl, —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, —N(C 1 -C 6 alkyl)S(O) 2 C 1 -C 6 alkyl, —S(O)R 5 , —S( 0 )N(C 1 -C 6 alkyl) 2 , —N(C 1 -C 6 alkyl)S(OR 5 , heterocycle, aryl, or heteroaryl:
R 5 is independently, at each occurrence, —H, —C 1 -C 6 alkyl, —C 2 -C 6 alkenyl, —C 4 -C 8 cycloalkenyl, —C 2 -C 6 alkynyl, —C 3 -C 8 cycloalkyl, heterocyclyl, aryl, heteroaryl containing 1-5 heteroatoms selected from N, S, P and O, —OH, halogen, —NO 2 , —CN, —NHC 1 -C 6 alkyl, —N(C 1 -C 6 alkyl) 2 , —S(O) 2 NH(C 1 -C 6 alkyl), —S(O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 C 1 -C 6 alkyl, —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, —N(C 1 -C 6 alkyl)SO 2 C 1 -C 6 alkyl, —S(O)(C 1 -C 6 alkyl), —S(O)N(C 1 -C 6 alkyl) 2 , —N(C 1 -C 6 alkyl)S(O)(C 1 -C 6 alkyl) or —(CH 2 ) p N(C 1 -C 6 alkyl) 2 ; and
p is 0, 1, 2, 3, 4, 5, or 6.
2. The method of claim 1 , wherein R 6 is H, —(CHR 5 ) p NR 3 R 4 , or —C 1 -C 6 alkyl optionally substituted with one or more substituents selected from —OH, halogen, —NO 2 , oxo, —CN, —R 5 , —O(C 1 C 16 )alkyl, —NH(C 1 -C 6 )alkyl, —N(C 1 -C 6 alkyl) 2 , —S (O) 2 N(C 1 -C 6 alkyl) 2 , —S(O) 2 NHC 1 -C 6 alkyl, —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, —N(C 1 -C 6 alkyl)S( 0 ) 2 C 1 -C 6 alkyl, —S(O)R 5 , —S(O)N(C 1 -C 6 alkyl) 2 , or —N(C 1 -C 6 alkyl)S(O)R 5 .
3. The method of claim 1 , wherein R 6 is H.
4. A method of treating cancer in a patient in need thereof, comprising administering to a patient an effective amount of a HDAC11 inhibitor, wherein the HDAC11 inhibitor is:
5. The method of claim 4 , wherein the HDAC 11 inhibitor is