申请人:——
公开号:US20020068734A1
公开(公告)日:2002-06-06
The present invention provides nitrogen-containing heterocyclic compounds and pharmaceutically acceptable salts thereof which inhibit phosphorylation of PDGF receptor to hinder abnormal cell growth and cell wandering and thus are useful for the prevention or treatment of cell-proliferative diseases such as arteriosclerosis, vascular reobstruction, cancer and glomerulosclerosis. The compounds are represented by general formula (I):
1
wherein V represents an oxygen atom or a sulfur atom;
W represents 1,4-piperazinediyl or 1,4-homopiperazinediyl in which carbons on the ring may be substituted by unsubstituted alkyl groups;
X represents a nitrogen atom or C-R
9
;
Y represents a nitrogen atom or C-R
8
;
Z represents a nitrogen atom or C-R
7
(provided that at least one of X, Y and Z represents a nitrogen atom);
R
1
represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alicyclic alkyl group, etc.;
R
2
represents a substituted alkyl group, a substituted or unsubstituted alicyclic alkyl group, etc.;
R
3
, R
4
, R
5
and R
6
, which may be the same or different, each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a nitro group, a cyano group, OR
12
, —NR
15
R
16
, etc.;
R
7
represents a halogen atom, etc.;
R
8
has the same significance as R
7
, and
R
9
represents a hydrogen atom or —COR
41
.
本发明提供了含氮杂环化合物及其药学上可接受的盐,其抑制PDGF受体的磷酸化,以阻碍异常细胞生长和细胞游走,因此可用于预防或治疗细胞增殖性疾病,如动脉硬化、血管再狭窄、癌症和肾小球硬化。所述化合物由通式(I)表示:其中V表示氧原子或硫原子;W表示1,4-哌嗪基或1,4-同源哌嗪基,其中环上的碳可以被未取代的烷基取代;X表示氮原子或C-R9;Y表示氮原子或C-R8;Z表示氮原子或C-R7(前提是X、Y和Z中至少有一个表示氮原子);R1表示氢原子、取代或未取代的烷基、取代或未取代的脂环烷基等;R2表示取代的烷基、取代或未取代的脂环烷基等;R3、R4、R5和R6,可以相同也可以不同,每个表示氢原子、卤素原子、取代或未取代的烷基、硝基、氰基、OR12、—NR15R16等;R7表示卤素原子等;R8具有与R7相同的意义,且R9表示氢原子或—COR41。