申请人:Fujisawa Pharmaceutical Co. Ltd.
公开号:US20020143034A1
公开(公告)日:2002-10-03
A compound of the formula (I):
1
wherein X
1
is bond or —OCH
2
—;
X
2
is —(CH
2
)
n
—, in which n is
1, 2
or
3;
X
3
is bond, —O—, —S—, —OCH
2
—, or —NH—;
R
1
is phenyl or pyridyl each of which may have one or two substituent(s) selected from the group consisting of hydroxy, halogen, etc.;
R
2
is hydrogen, (lower)alkoxycarbonyl, etc.;
R
3
is hydroxy(lower)alkyl; halo(lower)alkyl, etc.;
R
4
is aryl or unsaturated heterocyclic group, each of which may have one or two substituent(s) selected from the group consisting of lower alkyl, hydroxy, carbamoyl, halogen, lower alkoxy, etc.; and a salt thereof which is useful as a medicament.
该化合物的结构式如下:其中X1是化学键或—OCH2—;X2是—(CH2)n—,其中n为1、2或3;X3是化学键,—O—,—S—,—OCH2—或—NH—;R1是苯基或吡啶基,每个基上可能有一个或两个亚基,如羟基、卤素等;R2是氢、(低)烷氧羰基等;R3是羟基(低)烷基、卤代(低)烷基等;R4是芳基或不饱和杂环基,每个基上可能有一个或两个亚基,如低烷基、羟基、氨基甲酰基、卤素、低烷氧基等;以及其盐,可用作药物。