申请人:Takeda Chemical Industries, Ltd.
公开号:US04985447A1
公开(公告)日:1991-01-15
Quinone derivatives represented by the general formula ##STR1## (wherein, R.sup.1 and R.sup.2, the same or different, refer to hydrogen atom, methyl or methoxymethyl group, or R.sup.1 and R.sup.2 bind together to form --CH.dbd.CH--CH.dbd.CH--; R.sup.3 is hydrogen atom or methyl group; R.sup.4 is nitrogen-containing heterocyclic group which may be substituted; R.sup.5 is hydrogen atom, methyl group, hydroxymethyl group which may be substituted, or carboxyl group which may be esterified or amidated; Z is ##STR2## --CH.dbd.CH--, ##STR3## or ##STR4## (wherein, R' is hydrogen atom or methyl group); n is an integer from 0 through 12, m is an integer from 0 through 3, and k is an integer from 0 through 7, providing that, when m is 2 or 3, Z and k are able to vary appropriately in the repeating unit shown in [ ]), and the hydroquinone derivatives thereof, are novel compounds, possess improvement effects of metabolism of poly unsaturated fatty acids, particularly two or more inhibitition of production of fatty acid peroxides, inhibition of production of metabolites in 5-lipoxygenase pathway, inhibition of thromboxane A.sub.2 synthetase, thromboxane A.sub.2 receptor antagonism and scavenging action of active oxygen species, and of use as drugs, such as antithrombotics, anti-vascular constriction agents, anti-asthma agent, antiallergic agents, therpeutics for psoriasis, agents for improvement in heart, brain and cardiovascular systems, therapeutics for nephritis, active oxygen-eliminating agents, anticancer agents, agents for improvement of control of arachidonate cascade products, etc.
通式为##STR1##的醌衍生物(其中,R.sup.1和R.sup.2,相同或不同,指氢原子,甲基或甲氧甲基基团,或R.sup.1和R.sup.2结合形成--CH.dbd.CH--CH.dbd.CH--; R.sup.3是氢原子或甲基基团; R.sup.4是可能被取代的含氮杂环基团; R.sup.5是氢原子,甲基基团,可能被取代的羟甲基基团,或可酯化或酰胺化的羧基; Z是##STR2## --CH.dbd.CH--, ##STR3## 或 ##STR4##(其中,R'是氢原子或甲基基团); n是0到12的整数,m是0到3的整数,k是0到7的整数,但当m为2或3时,Z和k能够在[ ]中所示的重复单位中适当变化),以及其羟醌衍生物,是新颖的化合物,具有改善多不饱和脂肪酸代谢的效果,特别是抑制脂肪酸过氧化物的产生,抑制5-脂氧合酶途径代谢物的产生,抑制血栓素A.sub.2合酶,血栓素A.sub.2受体拮抗作用和活性氧自由基清除作用,并可用作药物,如抗血栓剂,抗血管收缩剂,抗哮喘剂,抗过敏剂,治疗银屑病的药物,改善心脏,脑和心血管系统的药物,治疗肾炎的药物,活性氧清除剂,抗癌剂,改善花生四烯酸级联产物控制的药物等。