N-OXIDES OF HETEROCYCLIC COMPOUNDS WITH TNF AND PDE-IV INHIBITING ACTIVITY

摘要

N-oxides of formula (i) wherein R1 is CH3, CH2F, CHF2 or CF3; R2 is CH3 or CF3; R3 is F, Cl, Br, CN or CH3; and R4 is H, F, Cl, Br, CN or CH3; and pharmaceutically-acceptable salts thereof, are useful as therapeutic agents, e.g. for the treatment of inflammatory diseases.