Tricyclic fused heterocycle compounds, process for preparing the same and use thereof
申请人:Nippon Suisan Kaisha, Ltd., a Japan corporation
公开号:US20030220360A1
公开(公告)日:2003-11-27
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.
化学式(1)所代表的化合物,其中X可以是例如CH、CH2、CHR(其中R是较低的烷基或取代的较低烷基)或CRR'(其中R和R'与上述定义的R相同);Y可以是例如CH、CH2或C═O;Z可以是例如O、S、S═O或SO2;U可以是C或N;R1到R4可以各自独立地是例如氢原子、OR、SR(其中R与上述定义的相同)或芳香环、取代芳香环或杂环;其中至少一个R5和R8可以是例如OH,而R5和R8的其余部分可以各自独立地是例如氢原子或OH,其光学异构体、共轭体或药学上可接受的盐也提供了。这些化合物具有广泛的药理作用,例如优异的松弛气管平滑肌作用、抑制气道过敏和抑制炎症细胞浸润到气道,并且具有高度的安全性。