申请人:Hoffmann-La Roche Inc.
公开号:US04786646A1
公开(公告)日:1988-11-22
The invention relates to compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, s is an integer from 0 to 1, m is an integer from 0 to 1, provided that when m is 1, n+s must be at least 2, R.sub.1 and R.sub.2, independently, are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, Het or aryl, *E is ##STR2## or --(CH.sub.2).sub.k -- wherein k is an integer from 0 to 4, R.sub.3, R.sub.4 and R.sub.8 are independently hydrogen or lower alkyl, R.sub.5 and R.sub.6, independently are hydrogen or lower alkyl, R.sub.7 is hydrogen, lower alkyl, cycloalkyl, Het-lower alkyl or aryl, Het is a monocyclic 5- or 6-membered hetero aromatic or a bicyclic heteroaromatic radical containing one or two hetero atoms selected from nitrogen, oxygen and sulfur, which radical may be substituted by lower alkyl, halogen or aryl, and the asterisk denotes the point of attachment, and their enantiomers, diastereomers and racemic mixtures thereof, as well as when *E is ##STR3## their geometric isomers, and pharmaceutically acceptable acid addition salts thereof. The compounds of formula I exhibit activity as platelet activating factor (PAF) antagonists and are, therefore, useful in disease states characterized by excess platelet activating factor or for the prevention and treatment of cardiovascular diseases, pulmonary diseases, immunological disorders, inflammatory diseases, dermatological disorders, shock or transplant rejection.
该发明涉及以下式的化合物:##STR1## 其中Y为O或S,*A为对苯基或*--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --,X为O、S或--CH.dbd.CH--,n或r独立地为0到3的整数,s为0到1的整数,m为0到1的整数,但当m为1时,n+s必须至少为2,R.sub.1和R.sub.2独立地为氢、低烷基、环烷基、低烯基、Het或芳基,*E为##STR2## 或--(CH.sub.2).sub.k --,其中k为0到4的整数,R.sub.3、R.sub.4和R.sub.8独立地为氢或低烷基,R.sub.5和R.sub.6独立地为氢或低烷基,R.sub.7为氢、低烷基、环烷基、Het-低烷基或芳基,Het为含有一或两个来自氮、氧和硫的杂原子的单环5-或6成员杂芳基或含有一个或两个来自氮、氧和硫的杂原子的双环杂芳基,该基团可被低烷基、卤素或芳基取代,星号表示连接点,以及它们的对映异构体、非对映异构体和其拉克米混合物,以及当*E为##STR3## 时它们的几何异构体,以及其药学上可接受的酸盐。式I的化合物表现为血小板活化因子(PAF)拮抗剂的活性,因此,在具有过量血小板活化因子的疾病状态或用于预防和治疗心血管疾病、肺部疾病、免疫性疾病、炎症性疾病、皮肤病、休克或移植排斥时是有用的。