Inhibitors of Beta-Hydroxylase for Treatment of Cancer

Abstract

The present invention relates to compounds which modulate (e.g., inhibit) the activity of beta-hydrolase (e.g., ASPH), including novel 2-aryl-5-amino-3(2H)-furanone and 2-heteroaryl-5-amino-3(2H)-furanone compounds, pharmaceutical compositions thereof, methods for their synthesis, and methods of using these compounds to modulate the activity of ASPH in an a cell-free sample, a cell-based assay, and in a subject. Other aspects of the invention relate to use of the compounds disclosed herein to ameliorate or treat cell proliferation disorders.

What is claimed is: 
     
         1 . A compound of Formula Ia or Ib: 
       
         
           
           
               
               
           
         
         or a salt, ester, metabolite, prodrug, or solvate thereof, wherein 
         Ar 1  is substituted or unsubstituted C 6 -C 20  aryl or 5 to 20-membered heteroaryl; 
         X is C(O), C(S), or S(O) 2 ; 
         W 1  is a single bond, O, CR 50 R 51 , or NR 52  when X is CO and W 1  is a single bond, CR 50 R 51 , or NR 52  when X is SO 2 ; and 
         each of R 50 , R 51 , R 52 , and R 53  independently is selected from the group consisting of hydrogen, substituted or unsubstituted C 1 -C 6  alkyl, substituted or unsubstituted C 2 -C 6  alkenyl, substituted or unsubstituted C 2 -C 6  alkynyl, substituted or unsubstituted C 6 -C 20  aryl, substituted or unsubstituted C 7 -C 26  arylalkyl, substituted or unsubstituted 5 to 20-membered heteroaryl, and substituted or unsubstituted 6-26 membered heteroarylalkyl, with the proviso that when X is C(O) and W 1  is a single bond, R 53  is not phenyl or methyl. 
       
     
     
         2 . The compound of  claim 1 , wherein the compound is of Formula Ia, or a salt, ester, metabolite, prodrug, or solvate thereof. 
     
     
         3 . The compound of  claim 2 , wherein the compound is of Formula IIa: 
       
         
           
           
               
               
           
         
         or a salt, ester, metabolite, prodrug, or solvate thereof, wherein 
         each of Ar 1  and Ar 2  independently is unsubstituted C 6 -C 14  aryl, unsubstituted 5 to 14-membered heteroaryl, or C 6 -C 14  aryl or 5 to 14-membered heteroaryl each substituted with one or more substituents selected from the group consisting of halo, CN, NO 2 , NO, N 3 , OR a , NR a R b , C(O)R a , C(O)OR a , C(O)NR a R b , NR b C(O)R a , —S(O) b R a , —S(O) b NR a R b , or R S1 , in which R S1  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, 5- or 6-membered heteroaryl, or 4 to 12-membered heterocycloalkyl, b is 0, 1, or 2, each of R a  and R b , independently is H or R S2 , and R S2  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, or 5- or 6-membered heteroaryl; and each of R S1  and R S2  is optionally substituted with one or more substituents selected from the group consisting of halo, OH, oxo, C(O)OH, C(O)O—C 1 -C 6  alkyl, CN, C 1 -C 6  alkyl, C 1 -C 6  alkoxyl, amino, mono-C 1 -C 6  alkylamino, di-C 1 -C 6  alkylamino, C 3 -C 8  cycloalkyl, C 6 -C 10  aryl, 4 to 12-membered heterocycloalkyl, and 5- or 6-membered heteroaryl, with the proviso that when X is C(O) and W 1  is a single bond, Ar 2  is not phenyl. 
       
     
     
         4 . The compound of  claim 2 , wherein R 53  is unsubstituted C 1 -C 6  alkyl or C 1 -C 6  alkyl substituted with one or more substituents selected from halo, OH, CN, and amino. 
     
     
         5 . The compound of  claim 2 , wherein X is S(O) 2  and W 1  is CR 50 R 51 . 
     
     
         6 . The compound  claim 2 , wherein X is S(O) 2  and W 1  is a single bond. 
     
     
         7 . The compound of  claim 2 , wherein X is C(O) and W 1  is O, or X is C(S) and W 1  is NR 52 . 
     
     
         8 . The compound of  claim 2 , wherein each of R 50 , R 51 , and R 52  independently is H, unsubstituted C 1 -C 6  alkyl, or C 1 -C 6  alkyl substituted with one or more substituents selected from halo, OH, CN, and amino. 
     
     
         9 . The compound of  claim 2 , wherein each of Ar 1  and Ar 2  independently is phenyl, naphthyl, or 5 to 10-membered heteroaryl, each of which is optionally substituted with one or more substituents selected from the group consisting of halo, CN, NO 2 , NO, N 3 , OR a , NR a R b , C(O)R a , C(O)OR a , C(O)NR a R b , NR b C(O)R a , —S(O) b R a , —S(O) b NR a R b , or R S1 , in which R S1  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, 5- or 6-membered heteroaryl, or 4 to 12-membered heterocycloalkyl, b is 0, 1, or 2, each of R a  and R b , independently is H or R S2 , and R S2  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, or 5- or 6-membered heteroaryl; and each of R S1  and R S2 , is optionally substituted with one or more substituents selected from the group consisting of halo, OH, oxo, C(O)OH, C(O)O—C 1 -C 6  alkyl, CN, C 1 -C 6  alkyl, C 1 -C 6  alkoxyl, amino, mono-C 1 -C 6  alkylamino, di-C 1 -C 6  alkylamino, C 3 -C 8  cycloalkyl, C 6 -C 10  aryl, 4 to 12-membered heterocycloalkyl, and 5- or 6-membered heteroaryl. 
     
     
         10 . The compound of  claim 9 , wherein each of Ar 1  and Ar 2  independently is phenyl, naphthyl, or 5 to 10-membered heteroaryl, each of which is optionally substituted with one or more substituents selected from the group consisting of halo, CN, NO 2 , NO, N 3 , OR a , NR a R b , C(O)R a , C(O)OR a , or R S1 , in which R S1  is C 1 -C 6  alkyl, each of R a  and R b , independently is H or R S2 , and R S2  is C 1 -C 6  alkyl; and each of R S1  and R S2 , is optionally substituted with one or more substituents selected from the group consisting of halo, OH, C 1 -C 6  alkoxyl, amino, mono-C 1 -C 6  alkylamino, and di-C 1 -C 6  alkylamino. 
     
     
         11 . The compound of  claim 9 , wherein each of Ar 1  and Ar 2  independently is selected from phenyl, 1-naphthyl, 2-naphthyl, 2-furanyl, 2-thiazolyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-quinolinyl, 3-quinolinyl, 4-quinolinyl, 2-chlorophenyl, 3-chlorophenyl, 4-chlorophenyl, 2-fluorophenyl, 3-fluorophenyl, 4-fluorophenyl, 2-trifluoromethylphenyl, 3-trifluoromethylphenyl, 4-trifluoromethylphenyl, 2-cyanophenyl, 3-cyanophenyl, 4-cyanophenyl, 3-carboxymethylphenyl, 2-methoxyphenyl, 3-methoxyphenyl, 4-methoxyphenyl, 2,3-dichlorophenyl, 2,4-dichlorophenyl, 2,5-dichlorophenyl, 3,4-dichlorophenyl, 3,5-dichlorophenyl, 2,3-difluorophenyl, 2,4-difluorophenyl, 2,5-difluorophenyl, 3,4-difluorophenyl, 3,5-difluorophenyl, 2,3-dimethoxyphenyl, 2,4-dimethoxyphenyl, 2,5-dimethoxyphenyl, 3,4-dimethoxyphenyl, 3,5-dimethoxyphenyl, 2-chloro-6-fluorophenyl, 3-chloro-4-fluorophenyl, 2-chloro-4-fluorophenyl, 4-chloro-3-fluorophenyl, 3-chloro-2-fluorophenyl, 2-chloro-5-fluorophenyl, 4-chloro-2-fluorophenyl, and 5-chloro-2-fluorophenyl. 
     
     
         12 . The compound of  claim 1 , wherein the compound is of Formula Ib, or a salt, ester, metabolite, prodrug, or solvate thereof. 
     
     
         13 . The compound of  claim 12 , wherein R 53  is unsubstituted C 1 -C 6  alkyl or C 1 -C 6  alkyl substituted with one or more substituents selected from halo, OH, CN, and amino. 
     
     
         14 . The compound of  claim 12 , wherein X is S(O) 2  and W t  is CR 50 R 51 . 
     
     
         15 . The compound of  claim 12 , wherein X is S(O) 2  and W 1  is a single bond. 
     
     
         16 . The compound of  claim 12 , wherein X is C(O) and W 1  is O, or X is C(S) and W 1  is NR 52 . 
     
     
         17 . The compound of  claim 12 , wherein each of R 50 , R 51 , and R 52  independently is H, unsubstituted C 1 -C 6  alkyl, or C 1 -C 6  alkyl substituted with one or more substituents selected from halo, OH, CN, and amino. 
     
     
         18 . The compound of  claim 12 , wherein Ar 1  is phenyl, naphthyl, or 5 to 10-membered heteroaryl, each of which is optionally substituted with one or more substituents selected from the group consisting of halo, CN, NO 2 , NO, N 3 , OR a , NR a R b , C(O)R a , C(O)OR a , C(O)NR a R b , NR b C(O)R a , —S(O) b R a , —S(O) b NR a R b , or R S1 , in which R S1  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, 5- or 6-membered heteroaryl, or 4 to 12-membered heterocycloalkyl, b is 0, 1, or 2, each of R a  and R b , independently is H or R S2 , and R S2  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, or 5- or 6-membered heteroaryl; and each of R S1  and R S2 , is optionally substituted with one or more substituents selected from the group consisting of halo, OH, oxo, C(O)OH, C(O)O—C 1 -C 6  alkyl, CN, C 1 -C 6  alkyl, C 1 -C 6  alkoxyl, amino, mono-C 1 -C 6  alkylamino, di-C 1 -C 6  alkylamino, C 3 -C 8  cycloalkyl, C 6 -C 10  aryl, 4 to 12-membered heterocycloalkyl, and 5- or 6-membered heteroaryl. 
     
     
         19 . The compound of  claim 18 , wherein Ar 1  is phenyl, naphthyl, or 5 to 10-membered heteroaryl, each of which is optionally substituted with one or more substituents selected from the group consisting of halo, CN, NO 2 , NO, N 3 , OR a , NR a R b , C(O)R a , C(O)OR a , or R S1 , in which R S1  is C 1 -C 6  alkyl, each of R a  and R b , independently is H or R S2 , and R S2  is C 1 -C 6  alkyl; and each of R S1  and R S2  is optionally substituted with one or more substituents selected from the group consisting of halo, OH, C 1 -C 6  alkoxyl, amino, mono-C 1 -C 6  alkylamino, and di-C 1 -C 6  alkylamino. 
     
     
         20 . The compound of  claim 18 , wherein Ar 1  is selected from phenyl, 1-naphthyl, 2-naphthyl, 2-furanyl, 2-thiazolyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-quinolinyl, 3-quinolinyl, 4-quinolinyl, 2-chlorophenyl, 3-chlorophenyl, 4-chlorophenyl, 2-fluorophenyl, 3-fluorophenyl, 4-fluorophenyl, 2-trifluoromethylphenyl, 3-trifluoromethylphenyl, 4-trifluoromethylphenyl, 2-cyanophenyl, 3-cyanophenyl, 4-cyanophenyl, 3-carboxymethylphenyl, 2-methoxyphenyl, 3-methoxyphenyl, 4-methoxyphenyl, 2,3-dichlorophenyl, 2,4-dichlorophenyl, 2,5-dichlorophenyl, 3,4-dichlorophenyl, 3,5-dichlorophenyl, 2,3-difluorophenyl, 2,4-difluorophenyl, 2,5-difluorophenyl, 3,4-difluorophenyl, 3,5-difluorophenyl, 2,3-dimethoxyphenyl, 2,4-dimethoxyphenyl, 2,5-dimethoxyphenyl, 3,4-dimethoxyphenyl, 3,5-dimethoxyphenyl, 2-chloro-6-fluorophenyl, 3-chloro-4-fluorophenyl, 2-chloro-4-fluorophenyl, 4-chloro-3-fluorophenyl, 3-chloro-2-fluorophenyl, 2-chloro-5-fluorophenyl, 4-chloro-2-fluorophenyl, and 5-chloro-2-fluorophenyl.