申请人:Xenova Limited
公开号:US05700804A1
公开(公告)日:1997-12-23
Diketopiperazines of the formula: ##STR1## where each of R.sub.1 to R.sub.10, which may be the same or different, is independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.6 alkyl unsubstituted or substituted by one or more halogen atoms, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, halogen, hydroxy, nitro, phenyl, -cyano, --CH.sub.2 OH, --CH.sub.2 COOH, --CO.sub.2 R.sup.11, --NHCOR.sup.11, --NHSO.sub.2 R.sup.13, --SO.sub.2 R.sup.13, --CON(R.sup.11 R.sup.12), --SOR.sup.13, --SO.sub.2 N(R.sup.11 R.sup.12), --N(R.sup.11 R.sup.12), and --O(CH.sub.2).sub.n N(R.sup.11 R.sup.12), --O(CH.sub.2).sub.n CO.sub.2 R.sup.11, --OCOR.sup.11, --CH.sub.2 OCOR.sup.11, --CH.sub.2 NHCOR.sup.11, --CH.sub.2 NHCOOR.sup.13, --CH.sub.2 SR.sup.11, --CH.sub.2 SCOR.sup.11, --CH.sub.2 S(O).sub.m R.sup.13 wherein m is 1 or 2, --CH.sub.2 NHCO(CH.sub.2).sub.n CO.sub.2 R.sup.11, --N(R.sup.11)COR.sup.12, --NHCOCF.sub.3, --NHCO(CH.sub.2).sub.n CO.sub.2 R.sup.11, --NHCO(CH.sub.2).sub.n OCOR.sup.11 and --NHCO(CH.sub.2).sub.n OR.sup.11 wherein n is 0 or is an integer of from 1 to 6, each of R.sup.11 and R.sup.12 is independently H or C.sub.1 -C.sub.6 alkyl and R.sup.13 is C.sub.1 -C.sub.6 alkyl; or any of R.sub.1 and R.sub.2, R.sub.2 and R.sub.3, R.sub.3 and R.sub.4 and R.sub.4 and R.sub.5, or R.sub.6 and R.sub.7, R.sub.7 and R.sub.8, R.sub.8 and R.sub.9 and R.sub.9 and R.sub.10, form together with the carbon atoms to which they are attached a benzene ring; and pharmaceutically acceptable salts and esters thereof are inhibitors of the plasminogen activator inhibitor.
该公式的双肽酮为:其中R.sub.1到R.sub.10中的每一个,可以相同也可以不同,独立地从以下组中选择:氢、未取代或取代一个或多个卤素原子的C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6烷氧基、C.sub.1-C.sub.6烷基硫基、卤素、羟基、硝基、苯基、-氰基、-CH.sub.2 OH、-CH.sub.2 COOH、-CO.sub.2 R.sup.11、-NHCOR.sup.11、-NHSO.sub.2 R.sup.13、-SO.sub.2 R.sup.13、-CON(R.sup.11 R.sup.12)、-SOR.sup.13、-SO.sub.2 N(R.sup.11 R.sup.12)、-N(R.sup.11 R.sup.12)和-O(CH.sub.2).sub.n N(R.sup.11 R.sup.12)、-O(CH.sub.2).sub.n CO.sub.2 R.sup.11、-OCOR.sup.11、-CH.sub.2 OCOR.sup.11、-CH.sub.2 NHCOR.sup.11、-CH.sub.2 NHCOOR.sup.13、-CH.sub.2 SR.sup.11、-CH.sub.2 SCOR.sup.11、-CH.sub.2 S(O).sub.m R.sup.13,其中m为1或2、-CH.sub.2 NHCO(CH.sub.2).sub.n CO.sub.2 R.sup.11、-N(R.sup.11)COR.sup.12、-NHCOCF.sub.3、-NHCO(CH.sub.2).sub.n CO.sub.2 R.sup.11、-NHCO(CH.sub.2).sub.n OCOR.sup.11和-NHCO(CH.sub.2).sub.n OR.sup.11,其中n为0或是从1到6的整数,R.sup.11和R.sup.12中的每一个都是独立的H或C.sub.1-C.sub.6烷基,R.sup.13是C.sub.1-C.sub.6烷基;或者R.sub.1和R.sub.2、R.sub.2和R.sub.3、R.sub.3和R.sub.4、R.sub.4和R.sub.5、或R.sub.6和R.sub.7、R.sub.7和R.sub.8、R.sub.8和R.sub.9、R.sub.9和R.sub.10中的任意一个,与它们附着的碳原子一起形成苯环;其药学上可接受的盐和酯是纤溶酶原激活抑制剂。