Tricyclic fused heterocycle compounds, process for preparing the same and use thereof
申请人:Nippon Suisan Kaisha, Ltd.
公开号:US20040127713A1
公开(公告)日:2004-07-01
Compounds represented by formula (1),
1
wherein
X is, for example, CH, CH
2
, CHR (wherein R is a lower alkyl group or a substituted lower alkyl group) or CRR′ (wherein R and R′ are the same as the above defined R);
Y is, for example, CH, CH
2
or C═O;
Z is, for example, O, S, S═O or SO
2
;
U is C or N;
R
1
to R
4
are each independently, for example, a hydrogen atom, OR, SR (wherein R is the same as defined above), or an aromatic ring, a substituted aromatic ring or a heterocycle;
at least one of R
5
and R
8
is, for example, OH and the remaining of R
5
and R
8
are each independently, for example, a hydrogen atom or OH, optical isomers thereof, conjugates thereof or pharmaceutically acceptable salts thereof are provided. These compounds are characterized in having a wide range of pharmacological actions such as an excellent relaxing action of tracheal smooth muscles, an inhibition of airway hypersensitivity and an inhibition of infiltration of inflammatory cells into the airway and, in addition, high safety.
公式(1)所表示的化合物,其中X可以是CH、
CH2、CHR(其中R是低碳基或取代低碳基)或CRR′(其中R和R′与上述定义的R相同);Y可以是CH、 或C═O;Z可以是O、S、S═O或SO2;U可以是C或N;R1至R4可以各自独立地是氢原子、OR、SR(其中R与上述定义的相同)、芳香环、取代芳香环或杂环;其中至少一个R5和R8可以是OH,剩余的R5和R8可以各自独立地是氢原子或OH。本发明提供了这些化合物,其具有广泛的药理作用,如优异的气道平滑肌松弛作用、抑制气道过敏和抑制炎症细胞浸润到气道中,此外,还具有高度的安全性。其中的光学异构体、共轭物或药学上可接受的盐都是包括在内的。