A novel synthesis and potent antiinflammatory activity of 4-hydroxy-2(1H)-oxo-1-phenyl-1,8-naphthyridine-3-carboxamides
作者:Takeshi Kuroda、Fumio Suzuki、Tadafumi Tamura、Kenji Ohmori、Hisashi Hosoe
DOI:10.1021/jm00084a019
日期:1992.3
New antiinflammatory agents 4-hydroxy-2(1H)-oxo-1-phenyl-1,8-naphthyridine-3- carboxamides 7 were designed and synthesized via a valuable intermediate, 1-phenyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione (9). The nature of substituents on the amide nitrogen had a pronounced effect on antiinflamatory activity. Studies of structure-activity relationships led to compounds 33 and 34 bearing a pyridine
通过一种有价值的中间体1-苯基-2H-吡啶[2,3-d]设计和合成了新的抗炎药4-羟基-2(1H)-氧-1-苯基-1,8-萘啶-3-羧酰胺7 ] [1,3]恶嗪-2,4(1H)-二酮(9)。酰胺氮上取代基的性质对抗炎活性具有显着影响。对结构-活性关系的研究导致化合物33和34在酰胺氮上带有吡啶环。化合物33和34对角叉菜胶,酵母聚糖和花生四烯酸诱导的大鼠爪水肿具有活性,并且还有效抑制大鼠逆转的被动Arthus反应。因此,它们比经典的非甾体类抗炎药(消炎痛和吡罗昔康)具有更广泛的抗炎活性。