Cyclic n-hydroxy imides as inhibitors of flap endonuclease and uses thereof

1. A compound of the formula

where X and Y may be C, O or S provided that one of X and Y must be C;

R 1 which is present when X is C is selected from the group consisting of H, aryl, heteroaryl, wherein said heteroaryl is selected from the group consisting of furyl, thienyl, pyridyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, 2-pyrazolinyl, pyrazolidinyl, isoxazolyl, isothiazolyl, 1,2,3-oxadiazolyl, 1,2,3-triazolyl, 1,3,4-thiadiazolyl, pyridazinyl, pyrimidinyl, pyrazinyl, 1,3,5-triazinyl, 1,3,5-trithianyl, indolizinyl, indolyl, isoindolyl, 3H-indolyl, indolinyl, benzo[b]furanyl, 2,3-dihydrobenzofuranyl, benzo[b]thiophenyl, 1H-indazolyl, benzimidazolyl, benzothiazolyl, purinyl, 4H-quinolizinyl, isoquinolinyl, cinnolinyl, phthalazinyl, quinazolinyl, quinoxalinyl, 1,8-naphthridinyl, pteridinyl, carbazolyl, acridinyl, phenazinyl, phenothiazinyl, phenoxyazinyl, pyrazolo[1,5-c]triazinyl, alkyl, alkylaryl, fused aryl with R 2 , and fused cycloalkyl with R 2 ;

R 2 is selected from the group consisting of H, aryl, heteroaryl, wherein said heteroaryl consists of C, N, O and S atoms, alkyl, alkylaryl, fused aryl with R 1 or R 3 , and fused cycloalkyl with R 1 or R 3 ;

R 3 which is present when Y is C is selected from the group consisting of H, aryl, heteroaryl, wherein said heteroaryl consists of C, N, O and S atoms, alkyl, alkylaryl, fused aryl with R 2 , and fused cycloalkyl with R 2 ; and

R 4 is selected from the group consisting of alkyl, aryl, heteroaryl, wherein said heteroaryl consists of C, N, O and S atoms, and alkylaryl;

or a pharmaceutically acceptable salt or isomer thereof.

2. A compound as in claim 1 of the formula

where R 1 is H, alkyl, aryl or a fused aryl or alkyl ring with R 2 ;

R 2 is H, alkyl, aryl or a fused aryl or cycloalkyl ring with R 1 ;

R 3 is alkyl or aryl; and

X is S or O.

3. A compound as in claim 1 of the formula

where R 1 is H, alkyl, aryl or a fused aryl or alkyl ring with R 2 ;

R 2 is H, alkyl, aryl or a fused aryl or cycloalkyl ring with R 1 ; R 3 is alkyl or aryl; and X is S or O.

4. A compound of the formula

wherein R 4 is substituted benzyl; or a pharmaceutically acceptable salt or isomer thereof.

5. A compound selected from the group consisting of 3-Hydroxy-1H-thieno[2,3-d]pyrimidine-2,4-dione;

3-Hydroxy-1,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo[a]azulene-2,4-dione;

1-Benzyl-3-hydroxy-5-methyl-1H-thieno[2,3-d]pyrimidine-2,4-dione ;

3-Hydroxy-1-(7-methoxy-benzo[1,3]dioxol-5-ylmethyl)-5-methyl-1H-thieno[2,3-d ]pyrimidine-2,4-dione;

3-Hydroxy-5-methyl-1-(2,4,5-trimethoxy-benzyl)-1H-thieno[2,3-d]pyrimidine;

1-(6-Chloro-pyridin-3-ylmethyl)-3-hydroxy-5-methyl-1H-thieno[2,3-d]pyrimidine-2,4-dione;

3-Hydroxy-5-methyl-1-quinolin-2-ylmethyl-1H-thieno[2,3-d]pyrimidine-2,4-dione;

3-Hydroxy-5-methyl-1-(2-thiophen-2-yl-thiazol-4-ylmethyl)-1H-thieno[2,3-d]pyrimidine-2,4-dione;

3-Hydroxy-1-naphthalen-2-ylmethyl-1H-thieno[2,3-d]pyrimidine-2,4-dione;

3-Hydroxy-6-phenyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-6-phenyl-1-(tetrahydro-furan-2-ylmethyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-7-phenyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-(3-Bromo-benzyl)-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-naphthalen-2-ylmethyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-(2-Chloro-benzyl)-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3′-(3-Hydroxy-2,4-dioxo-3,4-dihydro-2H-thieno[3,2-d]pyrimidin-1-ylmethyl)-biphenyl-4-carboxylic acid amide;

1-(3′-Acetyl-biphenyl-3-ylmethyl)-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

N-[3′-(3-Hydroxy-2,4-dioxo-3,4-dihydro-2H-thieno[3,2-d]pyrimidin-1-ylmethyl)-biphenyl-3-yl]-acetamide;

1-(6-Chloro-pyridin-3-ylmethyl)-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-[6-(4-trifluoromethoxy-phenyl)-pyridin-3-ylmethyl]-1H-thieno[3,2-d ]pyrimidine-2,4-dione;

3-Hydroxy-1-[6-(2-trifluoromethyl-phenyl)-pyridin-3-ylmethyl]-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-[6-(3,3-Dimethyl-but-1-enyl)-pyridin-3-ylmethyl]-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(2-pyrrolidin-1-yl-ethyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-7-methyl-1-(4-methyl-benzyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-7-methyl-1-(3-methyl-benzyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-(4-Bromo-benzyl)-3-hydroxy-7-methyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-(2′-Acetyl-biphenyl-4-ylmethyl)-3-hydroxy-7-methyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

5-(4-Bromo-phenyl)-3-hydroxy-1H-thieno[2,3-d]pyrimidine-2,4-dione;

7-Benzenesulfonyl-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-7-phenyl-6-trifluoromethyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(4-methoxy-benzyl)-7-phenyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(4-methoxy-benzyl)-7-phenyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

1-(6-Chloro-pyridin-3-ylmethyl)-3-hydroxy-7-phenyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

-Hydroxy-7-phenyl-1-(3,4,5-trimethoxy-benzyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione' 3-Hydroxy-7-phenyl-1-thiophen-3-ylmethyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(4-methoxy-benzyl)-1,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo [a]azulene-2,4-dione;

3-Hydroxy-1-thiophen-3-ylmethyl-1,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo [a]azulene-2,4-dione;

1-(6-Chloro-pyridin-3-ylmethyl)-3-hydroxy-1,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo [a]azulene-2,4-dione;

3-Hydroxy-1-methyl-1,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo[a]azulene-2,4-dione;

6-tert-Butyl-3-hydroxy-1-(3-methoxy-benzyl)-1H-thieno[3,2-d]pyrimidine-2,4-dione;

6-tert-Butyl-3-hydroxy-1-naphthalen-2-ylmethyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

6-tert-Butyl-3-hydroxy-1-thiophen-3-ylmethyl-1H-thieno[3,2-d]pyrimidine-2,4-dione;

6-tert-Butyl-3-hydroxy-1H-thieno[3,2-d]pyrimidine-2,4-dione;

5-[6-(4-Chloro-phenyl)-3-hydroxy-2,4-dioxo-3,4-dihydro-2H-thieno[3,2-d]pyrimidin-1-ylmethyl ]-furan-2-carboxylic acid methyl ester;

3-Hydroxy-1-methyl-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-Benzyl-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(1-phenyl-ethyl)-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-(4-tert-Butyl-benzyl)-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-propyl-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione and 3-Hydroxy-2-propoxy -3H-benzo[4,5]thieno[3,2-d]pyrimidin-4-one;

1-Butyl-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione and 2-Butoxy-3-hydroxy -3H-benzo[4,5]thieno[3,2-d]pyrimidin-4-one;

1-(3-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-Biphenyl-2-ylmethyl-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

5-(3-Hydroxy-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-ylmethyl)-furan -2-carboxylic acid methyl ester;

3-Hydroxy-1-phenethyl-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(3-phenyl-allyl)-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-pyridin-2-ylmethyl-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-(4-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-(2-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-Biphenyl-3-ylmethyl-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-(4′-Acetyl-biphenyl-4-ylmethyl)-3-hydroxy-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-8-nitro-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-Benzyl-3-hydroxy-8-nitro-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

1-Biphenyl-2-ylmethyl-3-hydroxy-8-nitro-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-7-(3-methoxy-phenyl)-1H-furo[3,2-d]pyrimidine-2,4-dione;

7-Biphenyl-4-yl-3-hydroxy-1H-furo[3,2-d]pyrimidine-2,4-dione;

7-Biphenyl-4-yl-3-hydroxy-1H-furo[3,2-d]pyrimidine-2,4-dione;

1-Benzyl-7-(3-bromo-phenyl)-3-hydroxy-1H-furo[3,2-d]pyrimidine-2,4-dione;

1-Benzyl-7-(3-bromo-phenyl)-3-hydroxy-1H-furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(4-methoxy-benzyl)-7-(3-methoxy-phenyl)-1H-furo[3,2-d]pyrimidine-2,4-dione;

7-Benzyl-3-hydroxy-1H-furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(4-methoxy-benzyl)-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(2-methyl-thiazol-4-ylmethyl)-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(2-methyl-thiazol-4-ylmethyl)-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-Biphenyl-2-ylmethyl-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-prop-2-ynyl-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-Allyl-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(1-phenyl-ethyl)-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

3-Hydroxy-1-(3-phenyl-allyl)-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-(2-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-(3-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-(4-Bromo-benzyl)-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-(2,5-Difluorobiphenyl)-2-ylmethyl-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

1-(3-Benzo[1 ,3]dioxo1-5-yl-benzyl)-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione;

4′-(3-Hydroxy-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]furo[3,2-d]pyrimidin-1-ylmethyl)-biphenyl -3-carboxylic acid amide;

7-Diethylamino-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione; and

1-Benzyl-7-diethylamino-3-hydroxy-1H-benzo[4,5]furo[3,2-d]pyrimidine-2,4-dione.

6. A pharmaceutical composition comprising at least one compound of claim 1 in combination with a pharmaceutically acceptable carrier.

7. A pharmaceutical composition comprising at least one compound of claim 2 in combination with a pharmaceutically acceptable carrier.

8. A pharmaceutical composition comprising at least one compound of claim 3 in combination with a pharmaceutically acceptable carrier.

9. A pharmaceutical composition comprising at least one compound of claim 4 in combination with a pharmaceutically acceptable carrier.

10. A pharmaceutical composition comprising at least one compound of claim 5 in combination with a pharmaceutically acceptable carrier.