2,6-disubstituted-9-cyclopentyl-9H-purines, use thereof as medicaments, and pharmaceutical compositions

2,6-disubstituted-9-cyclopentyl-9H-purines of the general formula I

• wherein R1 is selected from the group consisting of:
• and
• Q is ═CH— or ═N—;
• X is CH2, NH or C═O;
• m is 1 or 2 or 3;
• n is 1 or 2 or 3;
• A is selected from the group consisting of O, N, CH, and C;
• with the proviso that:
• if A is O, then o=p=0 and R2, B and R3 are not present,
• if A is N or CH, then R2 is selected from II, CH3, and CH2CH3, and o=p=0 and B and R1 are not present,
• if A is C, then R2 is not present, o is 1 or 2 or 3, p is 1 or 2 or 3, and B and R3 are as defined below;
• B is selected from O and N, with the proviso that:
• if B is O, then R3 is not present,
• if B is N, then R3 is selected from H, CH3, and CH2CH3;
• and
• pharmaceutically acceptable salts thereof.