Bicyclic pyrazole and isoxazole derivatives as antitumor and antineurodegenerative agents

摘要

Bicyclic pyrazole and isoxazole derivatives of formula (I) and pharmaceutically acceptable salts thereof, as defined in the specification, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful in therapy in the treatment of diseases mediated by HSP90 protein, like cancer and neurodegenerative disorders.