申请人:Sterling Winthrop Inc.
公开号:US05236917A1
公开(公告)日:1993-08-17
Novel 2-substituted saccharins which inhibit the enzymatic activity of proteolytic enzymes, are useful in the treatment of degenerative diseases and have the formula ##STR1## wherein: L is --O--, --S--, --SO-- or --SO.sub.2 --; m and n are each independently 0 or 1; R.sub.1 is halo, lower-alkanoyl, 1-oxophenalenyl, phenyl or substituted phenyl, heterocyclyl or substituted heterocyclyl or, when L is --O-- and n is 1, cycloheptatrienon-2-yl or, when L is --S-- and n is 1, cyano or lower-alkoxythiocarbonyl or, when L is --SO.sub.2 -- and n is 1, lower-alkyl or trifluoromethyl; R.sub.2 is hydrogen, lower-alkoxycarbonyl, phenyl or phenylthio; and R.sub.3 and R.sub.4 are each hydrogen or various substituents and processes for preparation and pharmaceutical compositions and method of use thereof are disclosed.
新型2-取代糖精,能抑制蛋白酶酶活性,在治疗退行性疾病中有用,其化学式为##STR1##其中:L为--O--,--S--,--SO--或--SO.sub.2--;m和n分别独立为0或1;R.sub.1为卤素,较低烷酰基,1-氧代苯并芘基,苯基或取代苯基,杂环基或取代杂环基,或当L为--O--且n为1时,环庚三烯酮-2-基,或当L为--S--且n为1时,氰基或较低烷氧硫代羰基,或当L为--SO.sub.2--且n为1时,较低烷基或三氟甲基;R.sub.2为氢,较低烷氧羰基,苯基或苯硫基;R.sub.3和R.sub.4分别为氢或各种取代基,公开了其制备方法、药物组合物和使用方法。