Fused bicyclic pyrimidines

1. A compound of formula (I)

wherein ring B and the pyrimidine to which it is fused form a ring system selected from the group consisting of

wherein

R1 is hydrogen, 1-4C-alkyl, halogen, amino, 1-4G-alkoxy, cyano, 3-7C-cycloalkyl, 2-4C-alkenyl, 2-4C-alkynyl, 3-7C-cycloalkoxy, mono- or di-1-4C-alkylamino, mono- or di-1-4C-alkylaminocarbonyl, —C(O)NH2, —C(O)OR2 or trifluoromethyl,

R2 is hydrogen or 1-4C-alkyl,

R3 is hydrogen, 1-4C-alkyl or halogen,

R4 is phenyl or thienyl,

R5 is hydrogen, 1-4C-alkoxy, amino, mono- or di-1-4C-alkylamino, 1-4C-alkyl or 3-7C-cycloalkyl,

R6 is hydrogen or 1-4C-alkyl,

R7 is —W—Y,

W is a monocyclic 5-membered heteroarylene comprising 1 nitrogen atom and optionally 1 or 2 further heteroatoms independently selected from the group consisting of oxygen, nitrogen and sulphur,

and wherein the heteroarylene is optionally substituted by R8,

R8 is 1-4C-alkyl or 3-7C-cycloalkyl,

Y is phenyl or a monocyclic 5 or 6 membered heteroaryl comprising 1 nitrogen oxygen or sulfur atom and optionally 1 or 2 further heteroatoms independently selected from the group consisting of oxygen, nitrogen and sulphur,

and wherein the heteroaryl is optionally substituted by R9,

R9 is 1-4C-alkyl, 1-4C-alkoxy or halogen,

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

2. The compound according to claim 1 , wherein ring B and the pyrimidine to which it is fused form a ring system selected from the group consisting of

wherein

R1 is hydrogen, 1-4C-alkyl, halogen, amino, 1-4C-alkoxy, cyano, 3-7C-cycloalkyl, 2-4C-alkenyl, 2-4C-alkynyl, 3-7C-cycloalkoxy, mono- or di-1-4C-alkylamino, mono- or di-1-4C-alkylaminocarbonyl, —C(O)NH2, —C(O)OR2 or trifluoromethyl,

R2 is hydrogen or 1-4C-alkyl,

R3 is hydrogen,

R4 is phenyl or thienyl,

R5 is hydrogen, 1-4C-alkoxy, amino, mono- or di-1-4C-alkylamino, 1-4C-alkyl or 3-7C—cycloalkyl,

R6 is hydrogen or 1-4-C-alkyl,

R7 is —W—Y,

W is triazolylene, pyrazolylene or imidazolylene,

each of which is optionally substituted by R8,

R8 is 1-4C-alkyl or 3-7C-cycloalkyl,

Y is phenyl, pyrrolyl, furanyl, thienyl, thiazolyl, oxazolyl, thiadiazolyl, oxadiazolyl, pyridinyl, pyrimidinyl, pyrazinyl or pyridazinyl, wherein each of pyrrolyl, furanyl, thienyl, thiazolyl, oxazolyl, thiadiazolyl, oxadiazolyl, pyridinyl, pyrimidinyl, pyrazinyl or pyridazinyl is optimally substituted by R9,

R9 is 1-4C-alkyl, 1-4C-alkoxy or halogen,

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

3. The compound according to claim 1 , wherein ring B and the pyrimidine to which it is fused form a ring system selected from the group consisting of

wherein

R1 is hydrogen, 1-4C-alkyl, halogen, amino, 1-4C-alkoxy, cyano, 3-7C-cycloalkyl, 2-4C-alkenyl, 2-4C-alkynyl, 3-7C-cycloalkoxy, mono- or di-1-4C-alkylamino, mono- or di-1-4C-alkylaminocarbonyl, —C(O)NH2, —C(O)OR2 or trifluoromethyl,

R2 is hydrogen or 1-4C-alkyl,

R3 is hydrogen,

R4 is phenyl or thienyl,

R5 is hydrogen, 1-4C-alkoxy, amino, mono- or di-1-4C-alkylamino, 1-4C-alkyl or 3-7C-cycloalkyl,

R6 is hydrogen or methyl,

R7 is —W—Y,

W is 1,2,4-triazolylene, pyrazolylene or imidazolylene,

Y is phenyl, furan-2-yl, pyrrol-2-yl, thien-2-yl, thiazol-2-yl, thiazol-4-yl, oxazol-2-yl, oxazol-4-yl, 1,3,4-thiadiazol-2-yl, 1,3,4-oxadiazol-2-yl, pyridin-2-yl, pyridin-4-yl, pyrimidin-2-yl, pyrimidin-4-yl, pyrazin-2-yl or pyridazin-3-yl, wherein each of furan-2-yl, pyrrol-2-yl, thien-2-yl, thiazol-2-yl, thiazol-4-yl, oxazol-2-yl, oxazol-4-yl, 1,3,4-thiadiazol-2-yl, 1,3,4-oxadiazol-2-yl, pyridin-2-yl, pyridin-4-yl, pyrimidin-2-yl, pyrimidin-4-yl, pyrazin-2-yl or pyridazin-3-yl is optionally substituted by R9,

R9 is 1-4C-alkyl, 1-4C-alkoxy or halogen,

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

4. The compound according to claim 1 , wherein ring B and the pyrimidine to which it is fused form a ring system selected from the group consisting of

wherein

R1 is hydrogen, 1-4C-alkyl, halogen, amino, 1-4C-alkoxy, cyano, 3-7C-cycloalkyl, 2-4C-alkenyl, 2-4C-alkynyl, mono- or di-1-4C-alkylamino, —C(O)OR2 or trifluoromethyl,

R2 is 1-4C-alkyl,

R3 is hydrogen,

R4 is phenyl or thienyl,

R5 is hydrogen, 1-4C-alkoxy, mono- or di-1-4C-alkylamino or 1-4C-alkyl,

R6 is hydrogen or methyl,

R7 is —W—Y,

W is 1,2,4-triazolylene or pyrazolylene,

Y is phenyl, furan-2-yl, pyrrol-2-yl, pyridin-4-yl, thiazol-2-yl, pyridin-2-yl, pyrimidin-2-yl, pyrazin-2-yl, pyrimidin-4-yl or pyridazin-3-yl, wherein each of furan-2-yl, pyrrol-2-yl, pyridin-4-yl, thiazol-2-yl, pyridin-2-yl, pyrimidin-2-yl, pyrazin-2-yl, pyrimidin-4-yl or pyridazin-3-yl is optionally substituted by R9,

R9 is 1-4C-alkyl, 1-4C-alkoxy or halogen,

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

5. A compound, which is

6-phenyl-7-(4-{[4-(3-pyridin-2-yl-1,2,4-triazol-5-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2a]-pyrimidine;

6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]-pyrimidine;

2-methyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]-triazolo[1,5-a]pyrimidine;

2-cyclopropyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]-triazolo[1,5-a]pyrimidine;

6-phenyl-7-(4-{[4-(3-pyridin-2-yl-pyrazol-5-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyridin-4-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]-pyrimidine;

2-cyclobutyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]-triazolo[1,5-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]-pyrimidine-3-carbonitrile;

3-fluoro-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-imidazo[1,2-a]pyrimidine;

N-methyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-imidazo[1,2-a]pyrimidin-5-amine;

3-bromo-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-imidazo[1,2-a]pyrimidine;

3-chloro-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

3-ethynyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}-phenyl)imidazo[1,2-a]pyrimidine;

3-methyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-3-vinylimidazo[1,2-a]pyrimidine;

Ethyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine-2-carboxylate;

2-ethyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyrimidin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

6-phenyl-7-(4-{[4-(4-pyridin-2-yl-imidazol-1-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyrazin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

3-ethyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{1-[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]ethyl}phenyl)imidazo[1,2-a]pyrimidine;

3-fluoro-6-phenyl-7-(4-{[4-(5-pyrazin-2-yl-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)imidazo[1,2-a]pyrimidine;

3-fluoro-6-phenyl-7-(4-{[4-(5-pyrimidin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-imidazo[1,2-a]pyrimidine;

6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-2-(trifluoromethyl)imidazo[1,2-a]pyrimidine;

5-methyl-6-phenyl-7-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-imidazo[1,2-a]pyrimidine;

2-Isopropyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

7-Methoxy-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

3-Chloro-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

3-Bromo-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

6-Phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile;

3-Ethynyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

3-Ethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

7-[4-({4-[5-(4-Methylpyridin-2-yl)-1H-1,2,4-triazol-3-yl]piperidin-1-yl}methyl)phenyl]-6-phenylimidazo[1,2-a]pyrimidine;

7-[4-({4-[5-(6-Methylpyridin-2-yl)-1H-1,2,4-triazol-3-yl]piperidin-1-yl}methyl)phenyl]-6-phenylimidazo[1,2-a]pyrimidine;

3-Methyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

2,7-Dimethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Ethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-[4-({4-[5-(1,3-thiazol-2-yl)-1H-1,2,4-triazol-3-yl]piperidin-1-yl}methyl)phenyl][1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-(4-{[4-(5-pyrimidin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-(4-{[4-(3-pyridin-2-yl-1H-pyrazol-5-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-(4-{[4-(5-pyridin-4-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Cyclopropyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

2,7-Dimethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

5-(4-{[4-(5-Pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-6-(3-thienyl)pyrazolo[1,5-a]pyrimidine;

7-(4-{[4-(5-Pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-6-(3-thienyl)imidazo[1,2-a]pyrimidine;

2-Bromo-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Ethynyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-6-(3 thienyl)[1,2,4]triazolo[1,5-a]pyrimidine;

N,N-Dimethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine;

6-Phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)-2-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyrimidine;

N,N,2-Trimethyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine;

N-Methyl-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine;

2-Methoxy-6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

6-Phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine;

6-Phenyl-7-[4-({4-[3-(1H-pyrrol-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl]methyl}phenylimidazo[1,2-a]pyrimidine;

6-Phenyl-5-(4-{[4-(3-pyrimidin-2-yl-1H-1,2,4-triazol-5-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

6-Phenyl-5-[4-({4-[3-(1,3-thiazol-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]pyrazolo[1,5-a]pyrimidine;

6-Phenyl-5-(4-{[4-(3-pyridin-4-yl-1H-1,2,4-triazol-5-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

6-Phenyl-5-[4-({4-[3-(1H-pyrrol-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]pyrazolo[1,5-a]pyrimidine;

2-Methyl-6-phenyl-5-[4-({4-[3-(1H-pyrrol-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl][1,2,4]triazolo[1,5-a]pyrimidine;

2-Methyl-5-({4-[3-(6-methylpyridin-2-yl)-1H-1,2,4-triazol-5 piperidin-1-yl}methyl)phenyl]-6-phenyl[1,2,4]triazolo[1,5-a]pyrimidine;

5-[4-({4-[3-(6-Methylpyridin-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]-6-phenylpyrazolo[1,5-a]pyrimidine;

6-Phenyl-5-(4-{[4-(3-pyridin-2-yl-1H-pyrazol-5-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine;

Methyl 6-phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate;

6-Phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine-2-carboxamide;

6-Phenyl-5-(4-{[4-(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)piperidin-1-yl]methyl}phenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid;

5-[4-({4-[3-(2-furyl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]-2-methyl-6-phenyl[1,2,4]triazolo[1,5-a]pyrimidine;

5-[4-({4-[3-(2-furyl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]-6-phenylpyrazolo[1,5-a]pyrimidine;

7-[4-({4-[3-(2-furyl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl}methyl)phenyl]-6-phenylimidazo[1,2-a]pyrimidine;

2-methyl-6-phenyl-5-(4-{[4-(3-phenyl-1H-1,2,4-triazol-5-yl)piperidin-1-yl]methyl}phenyl)[1,2,4]triazolo[1,5-a]pyrimidine;

7-[4-({4-[5-(4-methoxypyridin-2-yl)-1H-1,2,4-triazol-3-yl]piperidin-1-yl}methyl)phenyl]-6-phenylimidazo[1,2-a]pyrimidine; and

6-phenyl-7-{4-[4-(5-pyridin-2-yl-1H-[1,2,4]-triazol-3-yl)-piperidin-1-ylmethyl]-phenyl}-imidazo[1,2-a]pyrimidine;

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

6. A compound, a tautomer thereof or a stereoisomer thereof, or a pharmaceutically acceptable salt of said compound, tautomer or stereoisomer according to claim 1 for use in the treatment of diseases.

7. A compound, a tautomer thereof or a stereoisomer thereof, or a pharmaceutically acceptable salt of said compound, tautomer or stereoisomer according to claim 1 , or a pharmaceutical composition comprising a compound, a tautomer of said compound or a stereoisomer of said compound, or a pharmaceutically acceptable salt of said compound, tautomer or stereoisomer according to, claim 1 , for the treatment of hyperproliferative diseases and/or disorders responsive to induction of apoptosis.

8. A pharmaceutical composition comprising at least one compound, tautomer of said compound or stereoisomer of said compound, or a pharmaceutically acceptable salt of said compound, tautomer or stereoisomer according to claim 1 , together with at least one pharmaceutically acceptable auxiliary.

9. A combination comprising one or more first active ingredients selected from the group consisting of compounds, tautomers of said compounds, stereoisomers of said compounds, pharmaceutically acceptable salts of said compounds, tautomers and stereoisomers according to claim 1 , and one or more second active ingredients selected from the group consisting of chemotherapeutic anti-cancer agents and target-specific anti-cancer agents.

10. A compound according to claim 1 or a pharmaceutically acceptable salt thereof.

11. A compound according to claim 2 or a pharmaceutically acceptable salt thereof.

12. A compound according to claim 3 or a pharmaceutically acceptable salt thereof.

13. A compound according to claim 4 or a pharmaceutically acceptable salt thereof.

14. A compound according to claim 5 or a pharmaceutically acceptable salt thereof.

15. A pharmaceutical composition comprising at least one compound according to claim 1 or a pharmaceutically acceptable salt of said compound together with at least one pharmaceutically acceptable auxiliary.

16. A combination comprising one or more first active ingredients selected from the group consisting of compounds according to claim 1 and pharmaceutically acceptable salts of said compounds, and one or more second active ingredients selected from the group consisting of chemotherapeutic anti-cancer agents and target-specific anti-cancer agents.

17. A compound according to claim 1 , in which Y phenyl.

18. A compound of formula (I)

wherein ring B and the pyrimidine to which it is fused form a ring system selected from the group consisting of

wherein

R1 is hydrogen, 1-4C-alkyl, halogen, amino, 1-4C-alkoxy, cyano, 3-7C-cycloalkyl, 2-4C-alkenyl, 2-4C-alkynyl, 3-7C-cycloalkoxy, mono- or di-1-4C-alkylamino, mono- or di-1-4C-alkylaminocarbonyl, —C(O)NH2, —C(O)OR2 or trifluoromethyl,

R2 is hydrogen or 1-4C-alkyl,

R3 is hydrogen, 1-4C-alkyl or halogen,

R4 is phenyl or thienyl,

R5 is hydrogen, 1-4C-alkoxy, amino, mono- or di- 1-4C-alkylamino, 1-4C-alkyl or 3-7C-cycloalkyl,

R6 is hydrogen or 1-4C-alkyl,

R7 is —W—Y.

W is a monocyclic 5-membered heteroarylene comprising 1 nitrogen atom and optionally 1 or 2 further heteroatoms independently selected from the group consisting of oxygen, nitrogen and sulphur,

and wherein the heteroarylene is optionally substituted by R8,

R8 is 1-4C-alkyl or 3-7C-cycloalkyl,

Y is a monocyclic 5 or 6 membered heteroaryl comprising 1 nitrogen atom and optionally 1 or 2 further heteroatoms independently selected from the group consisting of oxygen, nitrogen, and sulphur, and wherein the heteroaryl is optionally substituted by R9,

R9 is 1-4C-alkyl, 1-4C-alkoxy or halogen,

or a salt, a tautomer, or a stereoisomer thereof, or a salt of said tautomer or said stereoisomer.

19. A compound according to claim 18 or a pharmaceutically acceptable salt thereof.

20. A pharmaceutical composition comprising at least one compound according to claim 18 or a pharmaceutically acceptable salt of said compound together with at least one pharmaceutically acceptable auxiliary.