申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP0459505A1
公开(公告)日:1991-12-04
Disclosed are imidazonaphthyridine derivatives represented by formula (I)
wherein:
R¹ represents lower alkyl or substituted or unsubstituted aryl; and
X-Y-Z represents
wherein R² represents hydrogen, lower alkyl, alkenyl, aralkenyl, or -C(R⁵)H-(CH₂)n-R⁴ (wherein R⁴ represents substituted or unsubstituted aryl, substituted or unsubstituted pyridyl, substituted or unsubstituted furyl, hydroxy-substituted lower alkyl, lower alkanoyloxy, morpholino, lower alkanoyl, carboxy, lower alkoxycarbonyl, cycloalkyl, hydroxy, lower alkoxy, halogen or NR⁶R⁷ wherein R⁶ and R⁷ independently represents hydrogen or lower alkyl; R⁵ represents hydrogen, lower alkyl, or phenyl; and n represents an integer of 0 to 3); and R³ represents hydrogen, mercapto, hydroxy, lower alkyl, or aryl
and pharmaceutically acceptable salts thereof.
The compounds show a potent anti-inflammatory, anti-allergic and broncho-dilative activity.
公开了由式 (I) 表示的
咪唑萘啶衍
生物
其中
R¹ 代表低级烷基或取代或未取代的芳基;以及
X-Y-Z 代表
其中 R² 代表氢、低级烷基、烯基、芳烯基或 -C(R⁵)H-(CH₂)n-R⁴(其中 R⁴ 代表取代或未取代的芳基、取代或未取代的
吡啶基、取代或未取代的
呋喃基、羟基取代的低级烷基、低级烷酰氧基、吗啉基、低级烷酰基、羧基、低级烷氧羰基、环烷基、羟基、低级烷氧基、卤素或 NR⁶R⁷,其中 R⁶ 和 R⁷ 独立代表氢或低级烷基;R⁵代表氢、低级烷基或苯基;且 n 代表 0 至 3 的整数);且 R³ 代表氢、巯基、羟基、低级烷基或芳基
及其药学上可接受的盐类。
这些化合物具有很强的抗炎、抗过敏和支气管舒张活性。