申请人:Takeda Chemical Industries, Ltd.
公开号:US04851413A1
公开(公告)日:1989-07-25
Quinone derivatives represented by the general formula ##STR1## (wherein, R.sup.1 and R.sup.2, the same or different, refer to a 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 a hydrogen atom or methyl group; R.sup.4 is a nitrogen-containing heterocyclic group which may be substituted; R.sup.5 is a hydrogen atom, methyl group, hydroxymethyl group which may be substituted, or a carboxyl group which may be esterified or amidated; Z is ##STR2## (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 polyunsaturated fatty acids, particularly two or more of inhibition 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, therapeutics 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.
喹醌衍生物由通式表示##STR1##(其中,R.sup.1和R.sup.2,相同或不同,指氢原子,甲基或甲氧基甲基基团,或R.sup.1和R.sup.2结合在一起形成--CH.dbd.CH--CH.dbd.CH--; R.sup.3是氢原子或甲基; R.sup.4是氮含杂环基团,可能被取代; R.sup.5是氢原子,甲基,可能被取代的羟甲基基团,或者酯化或酰胺化的羧基; Z是##STR2##(其中,R'是氢原子或甲基); n是0到12之间的整数,m是0到3之间的整数,k是0到7之间的整数,假设当m为2或3时,Z和k能够适当变化在[ ]中显示的重复单元中),以及其对氢醌衍生物,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-脂氧合酶途径代谢产物的产生,抑制血栓素A.sub.2合成酶,血栓素A.sub.2受体拮抗作用和活性氧物质的清除作用,以及作为药物的用途,如抗血栓药、抗血管收缩剂、抗哮喘药、抗过敏药、治疗银屑病、改善心脏、脑和心血管系统的药物、治疗肾炎、活性氧清除剂、抗癌药、改善阿拉基酸级联产物控制的药物等。