Discovery of a highly potent series of oxazole-based phosphodiesterase 4 inhibitors

Substituted quinolyl oxazoles were discovered as a novel and highly potent series of phosphodiesterase 4 (PDE4) inhibitors. Structure–activity relationship studies revealed that the oxazole core, with 4-carboxamide and 5-aminomethyl groups, is a novel PDE4 inhibitory pharmacophore. Selectivity profiles and in vivo biological activity are also reported.

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