DERIVATI DIIDRO-FTALAZINICI INIBITORI DELLA FOSFODIESTERASI 4

摘要

Compounds of formula (I) wherein Z, A, R, R1, R2, R3 have the meanings defined in the specification, the N-oxidized derivatives of the compounds of formula (I), the pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising them and the use thereof as phosphodiesterase 4 inhibitors for the treatment of allergic and inflammatory pathologies, such as, for example, ARDS, COPD, asthma and allergic rhinitis are described.