申请人:Merck Patent Gesellschaft mit Beschrankter Haftung
公开号:US05908843A1
公开(公告)日:1999-06-01
Novel piperazine derivatives of formula I: Y--(C.sub.m H.sub.2m --CHR.sup.1).sub.n --CO--(NH--CHR.sup.2 --CO).sub.r -- Z wherein ##STR1## R.sup.1, R.sup.2 and R.sup.7 are each, independently, --C.sub.t H.sub.2t --R.sup.9, benzyl, hydroxybenzyl, imidazolylmethyl or indolylmethyl; R.sup.3 is H or H.sub.2 N--C(.dbd.NH)--; R.sup.4 and R.sup.6 are each, independently, (H,H) or .dbd.O; R.sup.5 is H, H.sub.2 N--C(.dbd.NH)-- or H.sub.2 N--C(.dbd.NH)--NH; R.sup.8 is OH, OA or NHOH; R.sup.9 is H, OH, NH.sub.2, SH, SA, COOH, CONH.sub.2 or NH--C(.dbd.NH)--NH.sub.2 ; A is in each case, independently, alkyl having 1-4 C atoms; m and t are each, independently, 0, 1, 2, 3 or 4; n and r are each, independently, 0 or 1; and p is 0, 1 or 2, inhibit the binding of fibrinogen to the fibrinogen receptor and can be used for the treatment of thrombosis, apoplexy, cardiac infarctus, inflammation, arteriosclerosis and tumors.
式I的新型哌嗪衍生物:Y--(C.sub.m H.sub.2m --CHR.sup.1).sub.n --CO--(NH--CHR.sup.2 --CO).sub.r -- Z,其中 ##STR1## R.sup.1,R.sup.2和R.sup.7各自独立地为--C.sub.t H.sub.2t --R.sup.9,苄基,羟基苄基,咪唑甲基或吲哚甲基; R.sup.3为H或H.sub.2 N--C(.dbd.NH)--; R.sup.4和R.sup.6各自独立地为(H,H)或.dbd.O; R.sup.5为H,H.sub.2 N--C(.dbd.NH)--或H.sub.2 N--C(.dbd.NH)--NH; R.sup.8为OH,OA或NHOH; R.sup.9为H,OH,NH.sub.2,SH,SA,COOH,CONH.sub.2或NH--C(.dbd.NH)--NH.sub.2; A在每种情况下各自独立地为具有1-4个C原子的烷基; m和t各自独立地为0、1、2、3或4; n和r各自独立地为0或1; p为0、1或2,抑制纤维蛋白原与纤维蛋白原受体的结合,可用于治疗血栓形成、中风、心肌梗塞、炎症、动脉硬化和肿瘤。