Synthesis and biological activities of 1-pyridylisoquinoline and 1-pyridyldihydroisoquinoline derivatives as PDE4 inhibitors

Synthesis and biological activities of 1-pyridylisoquinoline and 1-pyridyldihydroisoquinoline derivatives as PDE4 inhibitors The synthesis and biological evaluation of a novel series of indole PDE4 inhibitors I Syntheses and evaluation of pyrido[2,3-d]pyrimidine-2,4-diones as PDE 4 inhibitors Tetrahydroquinoline and tetrahydroisoquinoline derivatives as potential selective PDE4B inhibitors Design, synthesis and in vitro PDE4 inhibition activity of certain quinazolinone derivatives for treatment of asthma Structure-based design and structure-activity relationships of 1,2,3,4-tetrahydroisoquinoline derivatives as potential PDE4 inhibitors Synthesis and bioactivity of pyrazole and triazole derivatives as potential PDE4 inhibitors 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 Design, synthesis and biological evaluation of novel tetrahydroisoquinoline derivatives as potential PDE4 inhibitors Synthesis and bioactivity of phenyl substituted furan and oxazole carboxylic acid derivatives as potential PDE4 inhibitors