申请人:MEIJI SEIKA KABUSHIKI KAISHA
                            
                            
                                公开号:EP0405976A1
                            
                            
                                公开(公告)日:1991-01-02
                            
                            
Compounds of the general formula (I):
 and pharmaceutically acceptable salts thereof,
in which A, B, C and D each represent -CH= or -N=, with the proviso that at least one of them is -N=;
X represents -NH-, -O- or -S-;
Y represents -(CH₂)p- wherein p is an integer from 0 to 4, -C(CH₃)₂-, -CH₂CH=CH-, -CH₂CO-, -CF₂- or -CH₂COCH₂-;
R¹ represents a hydrogen atom, a C₁₋₄ alkyl group, a halogen atom or a C₁₋₄ alkoxy group;
R² represents a hydrogen atom, a hydroxyl group, a saturated or unsaturated C₁₋₆ alkyl group, a C₁₋₆ alkoxy group, a carboxyl group, a saturated or unsaturated C₁₋₁₂ alkoxycarbonyl group which may be optionally substituted, a cycloalkoxycarbonyl group, a saturated or unsaturated five- or six-membered heterocyclic group containing at least one nitrogen atom optionally with one or more nitrogen and/or oxygen atoms, which may be optionally condensed and/or substituted, -CONR³R⁴, -NR³R⁴, -OCOR³ or -NHCONHR³ wherein R³ and R⁴, which may be the same or different, represent a C₁₋₆ alkyl group which may be optionally substituted or a cycloalkyl group, and
m and n each represent an integer from 0 to 2.  
                            通式(I)的化合物:
 及其药学上可接受的盐类、
其中 A、B、C 和 D 各自代表-CH= 或-N=,但其中至少有一个是-N=;
X代表-NH-、-O-或-S-;
Y 代表-(CH₂)p-,其中 p 是 0 至 4 的整数、-C(CH₃)₂-、-CH₂CH=CH-、-CH₂CO-、-CF₂- 或-CH₂COCH₂-;
R¹ 代表氢原子、C₁₋₄ 烷基、卤素原子或 C₁₋₄ 烷氧基;
R² 代表氢原子、羟基、饱和或不饱和 C₁₋₆烷基、C₁₋₆烷氧基、羧基、可被选择取代的饱和或不饱和 C₁₋₁₂烷氧基羰基、环烷氧基羰基、含有至少一个氮原子的饱和或不饱和五元或六元杂环基团,可任选与一个或多个氮原子和/或氧原子缩合和/或取代、-CONR³R⁴、-NR³R⁴、-OCOR³ 或 -NHCONHR³ 其中 R³ 和 R⁴ 可以相同或不同,代表可被任选取代的 C₁₋₆ 烷基或环烷基,以及
m 和 n 分别代表 0 至 2 的整数。