Pentafluorobenzenesulfonamides and analogs

1. A method of treating cancer or a cancerous condition, said method comprising administering to a mammalian subject in need thereof a therapeutically effective amount of a composition containing a compound of Formula I:

wherein:

Y is —S(O) 2 —;

Z is (i) a substituent of the formula NR 1 R 2 ,

wherein R 1 and R 2 are independently selected from

substituted or unsubstituted (C1-C10)alkyl,

substituted or unsubstituted (C1-C10)alkoxyl,

substituted or unsubstituted (C3-C6)alkenyl,

substituted or unsubstituted (C2-C6)heteroalkyl,

substituted or unsubstituted (C3-C6)heteroalkenyl,

substituted or unsubstituted (C3-C6)alkynyl,

substituted or unsubstituted (C3-C8)cycloalkyl,

substituted or unsubstituted (C5-C7)cycloalkenyl,

substituted or unsubstituted (C5-C7)cycloalkadienyl,

substituted or unsubstituted aryl,

substituted or unsubstituted aryloxy,

substituted or unsubstituted aryl-(C3-C8)cycloalkyl,

substituted or unsubstituted aryl-(C5-C7)cycloalkenyl,

substituted or unsubstituted aryloxy-(C3-C8)cycloalkyl,

substituted or unsubstituted aryl-(C1-C4)alkyl,

substituted or unsubstituted aryl-(C1-C4)alkoxy,

substituted or unsubstituted aryl-(C1-C4)heteroalkyl,

substituted or unsubstituted aryl-(C3-C6)alkenyl,

substituted or unsubstituted aryloxy-(C1-C4)alkyl,

substituted or unsubstituted aryloxy-(C2-C4)heteroalkyl,

substituted or unsubstituted heteroaryl,

substituted or unsubstituted heteroaryloxy,

substituted or unsubstituted heteroaryl-(C1-C4)alkyl,

substituted or unsubstituted heteroaryl-(C1-C4)alkoxy,

substituted or unsubstituted heteroaryl-(C1-C4)heteroalkyl,

substituted or unsubstituted heteroaryl-(C3-C6)alkenyl,

substituted or unsubstituted heteroaryloxy-(C1-C4)alkyl, and

substituted or unsubstituted heteroaryloxy-(C2-C4)heteroalkyl, and

wherein NR 1 R 2 are further connected by a linking group E to give a substituent of the formula

wherein E represents a bond, (C1-C4) alkylene, or (C1-C4) heteroalkylene, and the ring formed by R 1 , E, R 2 and the nitrogen contains no more than 8 atoms;

or (ii) a substituent of formula —NR a R b wherein R a is H and R b is selected from the group consisting of

substituted or unsubstituted heteroaryl,

substituted or unsubstituted heteroaryl-(C1-C4)alkyl,

substituted or unsubstituted heteroaryl-(C1-C4)alkoxy,

substituted or unsubstituted heteroaryl-(C1-C4)heteroalkyl,

substituted or unsubstituted heteroaryl-(C3-C6)alkenyl,

substituted or unsubstituted heteroaryloxy-(C1-C4)alkyl, and

substituted or unsubstituted heteroaryloxy-(C2-C4)heteroalkyl;

with the proviso that R b is not 2-methylbenzothiazol-5-yl, 6-hydroxy-4-methyl-pyrimidin-2-yl, 3-carbomethoxypyrazin-2-yl, 5-carbomethoxypyrazin-2-yl, 4-carboethoxy-1-phenylpyrazol-5-yl, 3-methylpyrazol-5-yl, 4-chloro-2-methylthiopyrimidin-6-yl, 2-trifluoromethyl-1,3,4-thiadiazol-5-yl, 5,6,7,8-tetrahydro-2-naphthyl, 4-methylthiazol-2-yl, 6,7-dihydroindan-5-yl, 7-chloro-5-methyl-1,8-naphthyridin-2-yl, 5,7-dimethyl-1,8-naphthyridin-2-yl, or 3-cyanopyrazol-4-yl; and that if R b is 5-quinolyl or 4-pyridyl then R b is substituted by at least one substituent that is not hydrogen;

or a pharmaceutically acceptable salt of the compound.

2. The method of claim 1 , wherein the compound is selected from the group consisting of:

or a pharmaceutically acceptable salt thereof.

3. The method of claim 1 , wherein the compound is

or a pharmaceutically acceptable salt thereof.

4. The method of claim 1 , wherein Z is a substituent of the formula

and the ring formed by N, R 1 , E, R 2 contains 5 or 6 members.

5. The method of claim 1 , wherein the compound is selected from the group consisting of:

4-Methyl-6-methoxy-2-pentafluorophenylsulfonamidopyrimidine;

4,6-Dimethoxy-2-pentafluorophenylsulfonamidopyrimidine;

2-Pentafluorophenylsulfonamidothiophene;

3-Pentafluorophenylsulfonamidothiophene;

3-Pentafluorophenylsulfonamidopyridine;

4-Pentafluorophenylsulfonamidopyridine;

1-Pentafluorophenylsulfonylindole;

1-Pentafluorophenylsulfonyl(2,3-dihydro)indole;

1-Pentafluorophenylsulfonyl(1,2-dihydro)quinoline;

1-Pentafluorophenylsulfonyl(1,2,3,4-tetrahydro)quinoline;

2-Chloro-5-pentafluorophenylsulfonamidopyridine;

5-Pentafluorophenylsulfonamidoindazole;

6-Pentafluorophenylsulfonamidoquinoline;

2,3-Dihydro-5-pentafluorophenylsulfonamidoindole;

5-Pentafluorophenylsulfonamidobenzo[a]thiophene;

5-Pentafluorophenylsulfonamidobenzo[a]furan; and

2-Anilino-3-pentafluorophenylsulfonamidopyridine,

or a pharmaceutically acceptable salt thereof.

6. The method of claim 1 , wherein Z is a substituent of the formula —NR a R b and R a is H and R b is monocyclic heteroaryl.

7. The method of claim 1 , wherein Z is a substituent of the formula —NR a R b and R a is H and R b is bicyclic heteroaryl.

8. The method of claim 1 , wherein Z is a substituent of the formula —NR a R b and R a is H and R b is selected from the group consisting of 2-pyrrolyl, 3-pyrrolyl, 3-pyrazolyl, 2-imidazolyl, 4-imidazolyl, pyrazinyl, 2-oxazolyl, 4-oxazolyl, 5-oxazolyl, 3-isoxazolyl, 4-isoxazolyl, 5-isoxazolyl, 2-thiazolyl, 4-thiazolyl, 5-thiazolyl, 2-furyl, 3-furyl, 2-thienyl, 3thienyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidyl, 4-pyrimidyl, 5-benzothiazolyl, purinyl, 2-benzimidazolyl, 5-indolyl, 1-isoquinolyl, 5-isoquinolyl, 2-quinoxalinyl, 5-quinoxalinyl, 3-quinolyl, and 6-quinolyl.

9. The method of claim 1 , comprising inhibiting the growth of a target cell in the subject by contacting the cell with an effective amount of the compound, thereby treating or preventing the cancer or the cancerous condition.

10. The method of claim 1 , wherein the composition is administered orally.

11. The method of claim 1 , wherein the composition is administered intravenously.

12. The method of claim 1 , wherein the composition is administered intramuscularly.

13. The method of claim 1 , further comprising administration of a therapeutically effective amount of an antineoproliferative, chemotherapeutic, or cytotoxic agent that is not represented by formula I.

14. The method of claim 1 , wherein the compound is a prodrug.

15. The method of claim 1 , wherein the compound is conjugated to a targeting molecule which preferentially directs the compound to a targeted cell.

16. The method of claim 13 , wherein the antineoproliferative, chemotherapeutic, or cytotoxic agent is selected from the group consisting of cyclophosphamide, methotrexate, adriamycin, cisplatin, daunomycin, vincristine, vinblastine, vinarelbine, paclitaxel, docetaxel, tamoxifen, flutamide, and hydroxyurea.

17. The method of claim 1 , wherein the subject is human.

18. The method of claim 17 , wherein the cancer is selected from the group consisting of Kaposi's sarcoma, Wilms tumor, lymphoma, leukemia, myeloma, melanoma, breast cancer, ovarian cancer, and lung cancer.

19. The method of claim 1 , wherein the cancer or cancerous condition is cancer.

20. The method of claim 19 , wherein the subject is human.