Compounds, methods and pharmaceutical compositions for treating cellular damage, such as neural or cardiovascular tissue damage

1. A compound of Formula I:

or a pharmaceutically acceptable salt, hyydrate, or mixtures thereof, wherein:

m is zero or one;

n is zero or one;

p is one or two;

Y is a direct bond, —N(R 10 )—, or N,;

Z is O, or S;

X is NR 11 , —O—, —S—, CR 12 R 13 —, a bond, —CR 12 ═CR 13 —, or

—C(R 12 R 13 )C(R 14 R 15 )—;

W is selected from —CN, —(N(R 9 ) 2 ) where the R 9 substituents may be combined to form a heteroaryl or cycloaukyl optionally containing at least one hetero atom, —P(O) 2 —OR 9 , —P(O)(OR 9 ) 2 , —S(O) 2 —R 9 , —S(O) 3 R 9 , —C(O)—R 9 , —C(O)—N(R 9 ) 2 , —S(O) 2 NR 9 , cycloalkyl optionally containing at least one heteroatom, and heteroaryl;

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 12 , R 13 , R 14 , and R 15 and R 15 are independently: hydrogen, lower alkyl, cycloalkyl optionally containing at least one heteroatonil lower alkenyl, lower alkoxy, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, alkheteroaryl, hydroxy, amino, nitro, halo, nitroso, sulfo, sulfonic acid or carboxy;

each R 9 is independently: hydrogen, lower alkyl, cycloalkyl optionally containing at least one heteroatom, lower alkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, hydroxy, hydroxy-lower alkyl, alkoxy, amino, or carboxy;

R 10 and R 11 are independently: hydrogen, lower alkyl, lower alkenyl, aryl, aralkyl, alkaryl, halo, hydroxy, alkoxy, amino, or carboxy;

each R 16 is independently hydrogen or lower alkyl; and

T a divalent or trivalent organic radical independently selected from the group consisting of: lower alkylene, lower alkenylene, arylene, aralkylene, and alkarylene;

wherein one, two or three of the hydrogen atoms of said divalent or trivalent organic radical can be substituted by a moiety selected from the group consisting of: lower (C 1 -C 9 straight or branched chain) alkyl, cycloalkyl, lower (C 2 -C 9 straight or branched chain) alkenyl, cycloalkenyl, aryl, heteroaryl, aralkyl, heteroaryalkyl, alkaryl, alkheteroaryl, halo, trifluoromethyl, hydroxy, lower (C 1 -C 4 ) alkoxy, amino, nitro, trifluoromethyl, alkenyloxy, phenoxy, and benzyloxy;

wherein one, two, or three carbon atoms in the divalent or trivalent organic radical can be replaced by a hetero-atom-containing-moiety selected from the group consisting of: phenoxy, phenoxymethyl, phenoxycarbonyl, benzyloxy, —O—, >C═O, —S—, —SO 2 —, —NR 1 SO 2 —, —SO 2 NR 1 —, —NR 1 —, and —PO 2 —;

wherein any of the lower (C 1 -C 9 straight or branched chain) alkyl, C 3 -C 8 cycloalkyl optionally containing at least one heteroatom in place of a carbon atom, lower (C 2 -C 9 straight or branched chain) alkenyl, aryl, heteroaryl, aralkyl, and alkaryl aroups can be independently substituted with one, two or three substituents selected from the group consisting of: lower (C 1 -C 9 straight or branched chain) alkyl, C 3 -C 8 cycloalkyl optionally containing at least one heteroatom in place of a carbon atom, lower (C 2 -C 9 straight or branched chain) alkenyl, cycloalkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, alkheteroaryl, halo, trifluoromethyl, hydroxy, lower (C 1 -C 4 ) alkoxy, carboxy, carbonyl, lower alkyl ester, amino, nitro, trifluoromethyl, alkenyloxy, phenoxy, benzyloxy,

wherein one, two, or three carbon atoms of any of the lower (C 1 -C 9 straight or branched chain) alkyl, C 3 -C 8 cycloalkyl optionally containing at least one heteroatom in place of a carbon atom, lower (C 2 -C 9 straight or branched chain) alkenyl, aryl, heteroaryl, aralkyl, and alkaryl groups can be replaced by a hetero-atom-containing-moiety selected from the group consisting of: —O—, >C═O, —S—, —SO 2 —, —NR 1 SO 2 —, —SO 2 NR 1 —, N, —NR 1 —, and —PO 2 —.

2. A compound of claim 1 wherein m and n are zero, p is one, W is —CN and R 1 -R 7 are hydrogen.

3. A compound of claim 1 , wherein m and n are zero, p is one, W is —CN, T is —CH 2 —, Z and X are oxygen, Y is N and R 1 to R 7 are hydrogen.

4. A compound of claim 1 , wherein wherein p is one and W is —(N(R 9 ) 2 ).

5. A compound of claim 1 wherein p is one and W is selected from the group consisting of —P(O) 2 —OR 9 and —P(O)(OR 9 ) 2 .

6. A compound of claim 1 wherein p is one and W is selected from the group consisting of —S(O) 2 —R 9 , —S(O) 2 OR 9 and —S(O) 2 NR 9 .

7. A compound of claim 1 wherein p is one and W is —C(O)R 9 or —C(O)N(R 9 ) 2 .

8. A compound of claim 1 wherein p is one and W is a heteroaryl or a cycloalkyl optionally containing at least one heteroatom.

9. A compound of Formula (II)

or a pharnnaceutically acceptable salt hydrate, or mixtures thereof, wherein:

q is one;

Y is N;

Z is O;

X is —O—, or a bond;

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 are independently: hydrogen, lower alkyl, lower alkenyl, cyloalkyl optionally containing at least one heteroatom, lower alkoxy, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, alkheteroarly, hydroxy, amino, nitro, halo, nitroso, or carboxy;

R 9 is hydrogen, lower alkyl, cycloalkyl optionally containing at least one heteroatom, lower alkenyl, aryl, heteroaryl, aralkyl, heteroaraklyl, alkaryl, alkheteroaryl, hydroxy, alkoxy, amino, or carboxy; and

T, is a divalent or trivalent organic radical independently selected from the group consisting of: lower alkylene, lower alkenylene, arylene, aralkylene, and alkarylene,

wherein one, two or three of the hydrogen atoms of said divalent or trivalent organic radical can be substituted by a moiety selected from the group consisting of: lower alkyl, lower alkenyl, aryl, aralkyl, alkaryl, halo, trifluoromethyl, hydroxy, alkoxy, amino, nitro, trifluoromethyl, alkenyloxy, phenoxy, and benzyloxy;

wherein one, two, or three carbon atoms in the divalent or trivalent organic radical can be replaced by a hetero-atom-containing-moiety selected from the group consisting of: penoxy, phenoxycarbonyl, benzyloxy, —O—, >C═O, —S—, —SO 2 —, —NR 1 SO 2 —, —SO 2 NR 1 —, —NR 1 —, and —PO 2 —;

wherein the lower alkyl, cyloalkyl optionally containing at least one heteroatom, lower alkenyl, aryl, heteroaryl, aralkyl, heteroalkyl, alkaryl, and alkheteroaryl groups can be independently substituted with one, two or three substituents selected from the group consisting of: lower alkyl, cycolalkyl optionally containing at least one heteratom, lower alkenyl, aryl, heteroaryl, aralkyl, heteroarakyl, alkaryl, alkheteroaryl, halo, trifluoromethyl, hydroxy, alkoxy, carboxy, carbonyl, lower alkyl ester, amino, nitro, trifluoromethyl, alkenyloxy, phenoxy, benzyloxy,

wherein one, two, or three carbon atoms of the one, two or three substituents selected from the group consisting of: lower alkyl, cycolalkyl optionally containing at least one heteratom, lower alkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, alkheteroaryl, halo, trifluoromethyl, hydroxy, alkoxy, carboxy, carbonyl, lower alkyl ester, amino, nitro, trifluoromethyl, alkenyloxy, phenoxy, benzyloxy can be replaced by a hetero-atom-containing-moiety selected from the group consisting of: —O—, >C═O, —S—, —SO 2 —, —NR 1 SO 2 —, —SO 2 NR 1 —, —NR 1 —, —NR 1 —, and —PO 2 —.

10. A compound according to Formula (III)

wherein

Z and X are oxygen;

Y is N;

q is zero or one;

“alk” is lower alkylene;

R 17 , R 18 and R 19 are independently hydrogen or lower alkyl; or

R 17 and R 18 or R 18 and R 19 taken together can be a lower alkylene to form a heterocyclic ring; and

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 7 are independently: hydrogen, lower alkyl, cycloalkyl optionally containing at least one hetero atom, lower alkenyl, lower alkoxy, aryl, heteroaryl, aralkyl, heteroaralkyl, alkaryl, alkheteroaryl, hydroxy, amino, nitro, halo, nitroso, or carboxy.

11. A pharmaceutical composition which comprises; (i) a therapeutically effective amount of a compound according to claim 1 and (ii) a pharmaceutically acceptable carrier.

12. The pharmaceutical composition of claim 11 , wherein the carrier is a sterile solution, suspension or emulsion, in a single or divided dose.

13. The pharmaceutical composition of claim 11 , wherein the carrier is a capsule or tablet containing a single or divided dose of said compound.

14. The pharmaceutical composition of claim 11 , wherein the carrier comprises a biodegradable polymer.

15. The pharmaceutical composition of claim 14 , wherein the biodegradable polymer releases the compound of formula I over a prolonged period of time.

16. The pharmaceutical composition of claim 11 , wherein the carrier is a solid implant.

17. A method of inhibiting PARP activity, thereby treating neural tissue damage resulting from ischemia and reperfusion injury, or radiosensitizing, comprising: administering a therapeutically effective amount of a compound of claim 1 .

18. The method of claim 17 , wherein the compound is administered as a sterile solution, suspension or emulsion, in a single or divided dose.

19. The method of claim 17 , wherein the compound is administered as a capsule or tablet containing a single or divided dose of said compound.

20. The method of claim 17 , wherein the compound is administered with a biodegradable polymer.

21. The method of claim 20 , wherein the biodegradable polymer releases the compound of formula I over a prolonged period of time.

22. The method of claim 17 , wherein the compound is administered with a solid implant.

23. A method of treating cardiac tissue damage resulting from ischemia and reperfusion injury comprising administering a therapeutically effective amount of a compound of claim 1 .