The present invention provides compounds and medicines effective for prophylaxis and therapy of various diseases by controlling or inhibiting cell-adhesion. Especially, the compounds of this invention perform platelet aggregation action without remarkable elongation of hemorrhagic period and can be used as a safe and long-acting antithrombotic drug as compared with known substances showing the same activity. Compounds of this invention are piperazinones of the formula ##STR1##
本发明提供了通过控制或抑制细胞黏附来预防和治疗各种疾病的有效化合物和药物。特别是,本发明的化合物具有促进血小板聚集作用,而不会明显延长出血期,与显示相同活性的已知物质相比,可以作为安全且长效的抗血栓药物使用。本发明的化合物是具有以下结构的
哌嗪酮类化合物。