4-METHOXYACRIDINE-1-CARBOXAMIDE DERIVATIVES AND THE PHENAZINE AND OXANTHRENE ANALOGS AS PDE4-INHIBITORS FOR THE TREATMENT OF ASTHMA AND CHRONIC PULMONARY DISEASE (COPD)
摘要
<p>The present invention relates to new Phosphodiesterase type 4 (PDE4) inhibitors of the formula (1) for treatment of asthma: Ar is a substituted or unsubstituted aryl, substituted or unsubstituted arylalkyl, substituted or unsubstituted heterocyclic ring or substituted or unsubstituted heteroaryl ring; each occurrence of L is O, S or NR<sup</p>
