Patent ID: 6958344

Claim:
A compound of formula (I) and pharmaceutically acceptable salts or solvates thereof: in which: A is a group of formula (a) or (b): R 1 represents a C 3 -C 7 carbocydic, C 1 -C 8 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl group, the latter four groups may be optionally substituted by one or more substituent groups independently selected from halogen atoms, —OR 4 , —NR 5 R 6 , —CONR 5 R 6 , —COOR 7 , —NR 8 COR 9 , —SR 10 , —SO 2 R 10 , —SO 2 NR 5 R 6 , —NR 8 SO 2 R 10 , an aryl or heteroaryl group either of which can be optionally substituted by one or more substituents independently selected from halogen atoms, cyano, nitro, —OR 4 , —NR 5 R 6 , —CONR 5 R 6 , —COOR 7 , —NR 8 COR 9 , —SR 10 , —SO 2 R 10 , —SO 2 NR 8 R 6 , —NR 5 SO 2 R 10 , C 1 -C 6 alkyl or trifluor R 2 and R 3 each independently represent hydrogen, a C 3 -C 7 carbocyclic group, C 1 -C 8 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl group, the latter four groups may be optionally substituted by one or more substituent groups independently selected from halogen atoms , —OR 4 , —NR 5 R 6 , —CONR 5 R 6 , —COOR 7 , —NR 8 COR 9 , —SR 10 , —SO 2 R 10 , —SO 2 NR 5 R 6 , —NR 8 SO 2 R 10 or a 3-8 membered ring optionally containing one or more atoms selected from O, S, NR 8 and itself optionally substituted by C 1-3 -alkyl, halogen, R 4 represents hydrogen, C 1 -C 6 alkyl or a phenyl group the latter two of which maybe optionally substituted by one or more substituent groups independently selected from halogen atoms, phenyl, —OR 11 and —NR 12 R 13 ; R 5 and R 6 independently represent a hydrogen atom or a C 1 -C 6 alkyl or phenyl group the latter two of which may be optionally substituted by one or more substituent groups independently selected from halogen atoms, phenyl, —OR 14 and —NR 15 R 16 , —CONR 15 R 16 , —NR 15 COR 6 , —SO 2 NR 15 R 16 , NR 15 SO 2 R 6 or R 5 and R 6 together with the nitrogen atom to which they are attached form a 4- to 7-membered saturated heterocyclic ring system optionally comprising a further heteroatom selected from oxygen and nitrogen atoms, which ring system may be optionally substituted by one or more substituent groups independently selected from phenyl, —OR 14 , —COOR 14 , NR 15 R 16 —CONR 15 R 16 , —NR 15 COR 16 , —SO 2 NR 15 R 16 , NR 15 SO 2 R 16 or C 1 -C 6 alkyl itself optionally substituted by one or more substituents independently selected from halogen atoms and —NR 15 R 16 and —OR 17 groups; R 10 represents a C 1 -C 6 alkyl group or phenyl group, each of which may be optionally substituted by one or more substituent groups independently selected from halogen atoms, phenyl, —OR 7 and —NR 15 R 16 ; X is NH; Y is N ; and each of R 7 , R 8 , R 9 , R 11 , R 12 , R 13 , R 14 R 15 , R 16 , and R 17 , -independently represent a hydrogen atom, C 1 -C 6 , alkyl, or a phenyl group.