9H- PURINE DERIVATIVES AND THEIR USE IN THE TREATMENT OF PROLIFERATIVE DISEASES

摘要

The present invention encompasses compounds of general formula (1) wherei n R1, R2 and R3 are defined as in claim 1, which are suitable for the treatm ent of diseases characterised by excessive or abnormal cell proliferation, a nd their use for preparing a pharmaceutical composition having the above-men tioned properties.