申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0622361A1
公开(公告)日:1994-11-02
A compound of the formula :
wherein
X¹is N or C-R⁶,
X²is N or C-R⁷,
X³is N or C-R⁸,
R¹is hydrogen or halogen,
R²is halogen,
R³is hydrogen, nitro, amino optionally having suitable substituent(s) or a heterocyclic group optionally having suitable substituent(s),
R⁴ and R⁵are each hydrogen or halogen,
R⁶ and R⁸are each hydrogen, halogen, lower alkyl, hydroxy, lower alkylthio, amino optionally substituted with lower alkyl, or lower alkoxy optionally substituted with a substituent selected from the group consisting of hydroxy, lower alkoxy, amino, lower alkylamino and aryl optionally substituted with lower alkoxy,
R⁷is hydrogen or lower alkyl,
Ais lower alkylene, and
Qis O or N-R⁹, in which R⁹ is hydrogen or
acyl, provided that R³ is not hydrogen when X¹ is C-R⁶, in which R⁶ is hydrogen,
and pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them.
式中的化合物:
式中
X¹ 是 N 或 C-R⁶、
X² 是 N 或 C-R⁷、
X³ 是 N 或 C-R⁸、
R¹ 是氢或卤素、
R² 是卤素、
R³ 是氢、硝基、任选具有合适取代基的氨基或任选具有合适取代基的杂环基团、
R⁴ 和 R⁵ 均为氢或卤素、
R⁶ 和 R⁸ 各为氢、卤素、低级烷基、羟基、低级烷硫基、任选被低级烷基取代的氨基或任选被选自羟基、低级烷氧基、氨基、低级烷基氨基和任选被低级烷氧基取代的芳基组成的取代基取代的低级烷氧基、
R⁷ 是氢或低级烷基、
A 是低级亚烷基,以及
Q 是 O 或 N-R⁹,其中 R𠞙 是氢或酰基。
酰基,但当 X¹ 为 C-R⁶(其中 R⁶ 为氢)时,R³ 不是氢、
及其药学上可接受的盐、制备工艺和包含它们的药物组合物。