申请人:Novartis Corporation
公开号:US05686564A1
公开(公告)日:1997-11-11
Novel compounds of the formula I ##STR1## in which R.sup.1 and R.sup.2 are hydrogen, C.sub.1 -C.sub.4 alkyl or are linked to form C.sub.3 -C.sub.7 cycloalkyl and R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen, C.sub.1 -C.sub.4 alkyl, hydroxy, OR.sup.6, SR.sup.6, halogen, NR.sup.7 R.sup.8, NO.sub.2, CN, CONR.sup.7 R.sup.8 or CO.sub.2 R.sup.9 wherein R.sup.6 is C.sub.1 -C.sub.4 alkyl or C.sub.7 -C.sub.10 aralkyl and R.sup.7, R.sup.8 and R.sup.9 are the same or different and are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.7 -C.sub.10 aralkyl or R.sup.7 and R.sup.8 together with the nitrogen atom to which they are bound form 5 or 6 membered azacycloalkyl or oxazacycloalkyl; Arg is arginine \x9bNH--CH(CH.sub.2 CH.sub.2 CH.sub.2 NH--C(.dbd.NH)--NH.sub.2)--CO!; X is methine CH or nitrogen; n is an integer from 0 to 7; L is a peptide linker, and H is the carboxy terminal end of hirudin, and salts thereof, are provided. The novel compounds are useful for the medical treatment or prevention of thrombosis or diseases caused by thrombosis or can be used for the determination of thrombin in blood as diagnostic reagents.
提供公式I的新化合物,其中R.sup.1和R.sup.2为氢、C.sub.1-C.sub.4烷基或连接形成C.sub.3-C.sub.7环烷基,R.sup.3、R.sup.4和R.sup.5相同或不同,为氢、C.sub.1-C.sub.4烷基、羟基、OR.sup.6、SR.sup.6、卤素、NR.sup.7R.sup.8、NO.sub.2、CN、CONR.sup.7R.sup.8或CO.sub.2R.sup.9,其中R.sup.6为C.sub.1-C.sub.4烷基或C.sub.7-C.sub.10芳基烷基,R.sup.7、R.sup.8和R.sup.9相同或不同,为氢、C.sub.1-C.sub.4烷基或C.sub.7-C.sub.10芳基烷基,或R.sup.7和R.sup.8与它们所结合的氮原子形成5或6元杂环烷基或氧杂杂环烷基;Arg为精氨酸\x9bNH--CH(CH.sub.2CH.sub.2CH.sub.2NH--C(.dbd.NH)--NH.sub.2)--CO!;X为甲基(CH)或氮;n为0到7的整数;L为肽链连接物,H为酵素抑制剂蛛蛤素的羧基末端,以及其盐。这些新化合物可用于医疗治疗或预防血栓形成或由血栓形成引起的疾病,也可用作血液中凝血酶的诊断试剂。