申请人:Suntory Limited
公开号:US05081284A1
公开(公告)日:1992-01-14
A novel N-substituted peptidyl compound represented by the general formula (1): ##STR1## where R.sub.1 is a straight-chained or branched acyl group having 2-10 carbon atoms, a branched, cyclic or partly branched cyclic alkyloxycarbonyl group having 4-15 carbon atoms, a substituted or unsubstituted benzyloxycarbonyl group, a 2,2,2-trichloroethyloxycarbonyl group, a 2-(trimethylsilyl)ethyloxycarbonyl group, a p-toluensulfonyl group, an o-nitrophenylsulfenyl group, a diphenylphosphonothioyl group, a triphenylmethyl group, a 2-benzoyl-1-methylvinyl group or a 4-phenylbutyryl group; R.sub.2 is a hydrogen atom or when taken together with R.sub.1, may form a phthaloyl group; R.sub.3 is an isobutyl group, a n-butyl group or an isopropyl group; R.sub.4 is a butyl group, a benzyl group or a methylthioethyl group; and R.sub.5 is a hydrogen atom or a chloromethyl group, which inhibits the activity of cysteine proteinases.
一种由通式(1)表示的新型N-取代肽类化合物:其中R.sub.1是具有2-10个碳原子的直链或支链酰基,具有4-15个碳原子的支链、环状或部分支链环状烷氧羰基,取代或未取代的苄氧羰基,2,2,2-三氯乙氧羰基,2-(三甲基硅基)乙氧羰基,对甲苯磺酰基,邻硝基苯基磺酰基,二苯基磷硫基,三苯甲基基,2-苯甲酰-1-甲基乙烯基基或4-苯基丁酰基;R.sub.2是氢原子或与R.sub.1一起形成邻苯二甲酰基;R.sub.3是异丁基、正丁基或异丙基;R.sub.4是丁基、苄基或甲硫乙基基;R.sub.5是氢原子或氯甲基基,可抑制半胱氨酸蛋白酶的活性。