8-Methoxyquinoline-5-carboxamides as PDE4 inhibitors: a potential treatment for asthma

8-Methoxyquinoline-5-carboxamides as PDE4 inhibitors: a potential treatment for asthma 7-Methoxybenzofuran-4-carboxamides as PDE 4 inhibitors: a potential treatment for asthma 7-Methoxyfuro[2,3-c]pyridine-4-carboxamides as PDE4 Inhibitors: A Potential Treatment for Asthma Selective Type IV Phosphodiesterase Inhibitors as Antiasthmatic Agents. The Syntheses and Biological Activities of 3-(Cyclopentyloxy)-4-methoxybenzamides and Analogs Design, synthesis and in vitro PDE4 inhibition activity of certain quinazolinone derivatives for treatment of asthma N-Arylrolipram derivatives as potent and selective PDE4 inhibitors Phthalazine PDE4 inhibitors. Part 2: The synthesis and biological evaluation of 6-methoxy-1,4-disubstituted derivatives Synthesis and biological evaluation of 2,5-dihydropyrazolo[4,3-c]quinolin-3-ones, a novel series of PDE 4 inhibitors with low emetic potential and antiasthmatic properties 1,4-Cyclohexanecarboxylates:  Potent and Selective Inhibitors of Phosophodiesterase 4 for the Treatment of Asthma Improvement of therapeutic index of phosphodiesterase type IV inhibitors as anti-Asthmatics