Compounds of formula (I):
1
wherein:
X represents an oxygen atom or a sulphur atom or a group CH
2
or
2
R
1
and R
2
represent a hydrogen atom, or a group as defined in the description,
A represents an alkylene chain as described in the description,
B is as defined in the description,
R
3
and R
4
represent a hydrogen atom or a group as defined in the description,
D represents an optionally substituted benzene, optionally substituted pyrazine, optionally substituted pyrimidine or optionally substituted pyridazine nucleus.
式(I)的化合物:1其中:X代表
氧原子、
硫原子或
CH2或2R1和R2代表
氢原子,或如说明书中所定义的基团,A代表如说明书中所描述的亚烷基链,B如说明书中所定义,R3和R4代表
氢原子或如说明书中所定义的基团,D代表可任选取代的
苯环、可任选取代的
吡嗪环、可任选取代的
嘧啶环或可任选取代的
吡啶嗪环。