申请人:Sanofi
公开号:US05650422A1
公开(公告)日:1997-07-22
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 substitued 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.
这是一种化合物,可用于治疗退行性疾病,具有抑制蛋白酶酶活性的作用。其化学式为:##STR1## 其中:L为--O--、--S--、--SO--或--SO.sub.2 --;m和n各自独立地为0或1;R.sub.1为卤素、低烷酰基、1-氧代苯并茂、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,为环庚三烯-2-基,或当L为--S--且n为1时,为氰基或低烷氧硫酰基,或当L为--SO.sub.2 --且n为1时,为低烷基或三氟甲基;R.sub.2为氢、低烷氧羰基、苯基或苯基硫;R.sub.3和R.sub.4各自为氢或不同的取代基。该化合物的制备方法、药物组合物及使用方法也被揭示。