申请人:British Bio-Technology Limited
公开号:US05200412A1
公开(公告)日:1993-04-06
Compounds of general formula I; ##STR1## wherein: A.sup.1 is .dbd.N--, .dbd.CH-- or .dbd.CR.sup.1 --; A.sup.2 is --N.dbd., --CH.dbd. or --CR.sup.2 .dbd.; provided that, when one of A.sup.1 and A.sup.2 is a nitrogen atom, the other of A.sup.1 and A.sup.2 is other than a nitrogen atom; the rest of the variables are described in the specification; and their pharmaceutically and veterinarily acceptable acid addition salts and hydrates are antagonists of platelet activating factor (PAF) and as such are useful in the treatment or amelioration of various diseases or disorders mediated by PAF.
通式I的化合物; ##STR1## 其中: A.sup.1为.dbd.N--, .dbd.CH--或.dbd.CR.sup.1 --; A.sup.2为--N.dbd.,--CH.dbd.或--CR.sup.2.dbd.;前提是,当A.sup.1和A.sup.2中的一个是氮原子时,另一个不是氮原子;其余变量在说明书中描述;它们的药学和兽医可接受的酸盐和水合物是血小板活化因子(PAF)的拮抗剂,因此在治疗或缓解由PAF介导的各种疾病或障碍方面是有用的。