Substituted 1,8-Naphthyridin-2 (1H)-ones as Selective Phosphodiesterase IV Inhibitors

概要

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New substituted 1,8-naphthyridin-2 (1H)-ones have been found to exhibit highly selective phosphodiesterase (PDE) IV inhibition. These compounds inhibited polymorphonuclear leukocyte activation induced by N-formylmethionyl-leucyl-phenylalanine and caused relaxation of isolated guinea pig trachea precontracted by histamine or leukotriene D_4. In anesthetized guinea pigs, presensitized with the antigen, these compounds also alleviated airway constriction induced by the antigen. Since these compounds differ in their chemical structure compared with theophylline and other PDE IV inhibitors so far reported and some of them have been shown to be well tolerated in acute toxicity studies, they will provide a new tool for investigating the possible relationship between PDE IV inhibition and anti-asthmatic activity.
社団法人日本薬学会の論文
1994-04-15