申请人:Yamamoto Noboru
公开号:US06906072B1
公开(公告)日:2005-06-14
The present invention provides a novel compound having a superior calcium antagonism, in particular, a neuron-selective calcium antagonism. Namely, it provides a compound represented by the following formula, a salt thereof or a hydrate of them.
In the formula, Ar indicates an optionally substituted 5- to 14-membered aromatic ring etc.; the ring A indicates any one ring selected from a piperazine, a homopiperazine, a piperidine and the like; the ring B indicates an optionally substituted C
3-14
on hydrocarbon ring etc.; E indicates a single bond, a group represented by the formula —CO—, etc.; X indicates a single bond, an oxygen atom etc.; R
1
indicates a hydrogen atom, a halogen atom, a hydroxyl group etc.; and D
1
, D
2
, W
1
and W
2
are the same as or different from each other and each represents a single bond or an optionally substituted C
1-6
alkylene chain.
本发明提供了一种具有优异的钙拮抗作用的新化合物,特别是神经元选择性钙拮抗作用。即,提供了以下式子所表示的化合物,其盐或水合物。在该式子中,Ar表示可选择性取代的5-至14-成员芳香环等;环A表示从哌嗪、同哌嗪、哌啶等中选择的任一环;环B表示可选择性取代的C3-14的碳氢环等;E表示单键、由式子- CO-等表示的基团等;X表示单键、氧原子等;R1表示氢原子、卤素原子、羟基等;D1、D2、W1和W2彼此相同或不同,每个代表单键或可选择性取代的C1-6烷基链。