申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0450066A1
公开(公告)日:1991-10-09
This invention relates to carbostyril derivatives represented by general formula (1), a process for their preparation, and an agent for inhibiting agglutination of platelets containing them as an active ingredient, wherein A represents a lower alkylene group, R1 represents a substituted or unsubstituted cycloalkyl-lower alkyl group, a cycloalkyl group, a tetrahydropyranyl* lower alkyl group, a lower alkylenedioxy-substituted lower alkyl group, a substituted phenyl-lower alkyl group or a lower alkyl-substituted piperidinyl-lower alkyl group, R2 represents a substituted or unsubstituted 5- or 6-membered, saturated or unsaturated heterocyclic-lower alkyl group, a tetrahydropyranylthio-lower alkyl group, a pyridylthio-lower alkyl group, a lower alkylene-dioxy-substituted lower alkyl group or a substituted or unsubstituted lower alkyl group, and the carbon-to-carbon bond between the 3- position and the 4-position of the carbostyril skeleton represents either a single or a double bond.
本发明涉及通式(1)代表的碳化二氢吡啶衍生物、其制备工艺以及含有其作为活性成分的抑制血小板凝集的制剂,其中A代表低级亚烷基,R1代表取代或未取代的环烷基-低级烷基、环烷基、四氢吡喃基*低级烷基、低级亚烷基-二氧基取代的低级烷基、取代的苯基-低级烷基或低级烷基-取代的哌啶基-低级烷基、R2 代表取代或未取代的 5 或 6 元、饱和或不饱和杂环低级烷基、四氢吡喃硫基低级烷基、吡啶硫基低级烷基、亚烷基二氧基取代的低级烷基或取代或未取代的低级烷基,碳四吡啶骨架的 3 位和 4 位之间的碳-碳键代表单键或双键。