申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP1024138A1
公开(公告)日:2000-08-02
Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-dependent calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-dependent calcium channel inhibitors containing the above compounds as the active ingredient,
(in the formula, each symbol has the following meaning:
D: pyrazolyl which may have 1 to 3 substituents selected from the group consisting of -Alk, -lower alkenyl, -lower alkynyl, -halogeno-lower alkyl, -Alk-cycloalkyl, -Alk-O-Alk, -cycloalkyl, -O-Alk, -COOH, -COO-Alk and -Hal,
n: 0 or 1,
B: phenylene, a nitrogen-containing, divalent, saturated ring group, or a monocyclic, divalent heteroaromatic ring group which may be substituted with Alk,
X: -NR1-CR2R3-, -CR2R3-NR1-, -NR1-SO2-, -SO2-NR1- or -CR4=CR5-, and
A: benzene ring which may have one or more substituents; mono-, di- or tricyclic fused heteroaryl which may have one or more substituents; cycloalkyl which may have one or more substituents; a nitrogen-containing, saturated ring group which may have one or more substituents; lower alkenyl which may have one or more substituents; lower alkynyl which may have one or more substituents; or Alk which may have one or more substituents).
具有钙释放依赖性钙通道抑制作用的药物,特别是由以下通式(I)代表的吡唑衍生物,以及药物组合物,特别是含有上述化合物作为活性成分的钙释放依赖性钙通道抑制剂、
(式中各符号含义如下:
D:吡唑基,可具有 1 至 3 个取代基,这些取代基选自由-Alk、-低级烯基、-低级炔基、-卤代低级烷基、-Alk-环烷基、-Alk-O-Alk、-环烷基、-O-Alk、-COOH、-COO-Alk 和-Hal 组成的组、
n:0或1、
B:亚苯基、含氮二价饱和环基或可被 Alk 取代的单环二价杂芳香环基、
X:-NR1-CR2R3-、-CR2R3-NR1-、-NR1-SO2-、-SO2-NR1-或-CR4=CR5-,以及
A:可具有一个或多个取代基的苯环;可具有一个或多个取代基的单环、二环或三环融合杂芳基;可具有一个或多个取代基的环烷基;可具有一个或多个取代基的含氮饱和环基;可具有一个或多个取代基的低级烯基;可具有一个或多个取代基的低级炔基;或可具有一个或多个取代基的烷基)。