申请人:Takeda Chemical Industries, Ltd.
公开号:US04966973A1
公开(公告)日:1990-10-30
The present invention relates to a compound of the formula ##STR1## wherein R.sup.1 stands for hydrogen or a lower alkyl; n denotes an integer of 1 to 6; X stands for an optionally oxidized sulphur atom, oxygen atom or an optionally substituted imino; R.sup.2 stands for methyl or an organic residual group bonded through methylene, methine a quaternary carbon; R.sup.3 stands for a lower alkyl; R.sup.4 stands for hydrogen or acyl; R.sup.5 and R.sup.6 each stand for a lower alkoxy or a lower alkyl, or R.sup.5 and R.sup.6 combinedly stand for butadienylene, and salts thereof. The compound (I) of the present invention has a strong 5-lipoxygenase inhibiting action, is of high safety and is useful as, among others, an agent for ameliorating dysfunction of circulatory system, an anti-allergic agent and a pharmaceutical agent for central nervous system.
本发明涉及一种化合物,其化学式为##STR1##其中R.sup.1代表氢或低级烷基;n表示1到6的整数;X代表可选氧化硫原子、氧原子或可选取代的亚胺基;R.sup.2代表甲基或通过亚甲基、亚胺基或季碳原子结合的有机残基;R.sup.3代表低级烷基;R.sup.4代表氢或酰基;R.sup.5和R.sup.6各代表低级烷氧基或低级烷基,或R.sup.5和R.sup.6组合代表丁二烯基,以及其盐。本发明的化合物(I)具有强烈的5-脂氧合酶抑制作用,具有高安全性,可用作改善循环系统功能障碍、抗过敏剂和中枢神经系统药物等剂。