申请人:TEIKOKU CHEMICAL INDUSTRY CO., LTD.
公开号:EP0673924A1
公开(公告)日:1995-09-27
A propionic acid derivative represented by general formula (I) or a pharmaceutically acceptable acid-addition salt thereof, wherein A represents OH, C₁-C₈ lower alkoxy, -NR₁R₂, or C₁-C₈ lower alkoxy which may be substituted by halogen, optionally susbtituted aryl, -COB or succinimido; R₁ and R₂ represent each H, C₁-C₈ lower alkyl or optionally substituted aralkyl, or alternatively R₁ and R₂ are combined together with the adjacent nitrogen atoms to represent a heterocycle; and B represents OH, C₁-C₈ lower alkyl, optionally susbtituted aryl, optionally substituted aryloxy, C₁-C₈ lower alkoxy, optionally substituted aralkyloxy, or NR₁R₂ wherein R₁ and R₂ are each as defined above. This compound is useful as a protease inhibitor.
通式 (I) 所代表的丙酸衍生物或其药学上可接受的酸加成盐,其中 A 代表 OH、C₁-C₈ 低级烷氧基、-NR₁R₂ 或可被卤素、任选取代的芳基、-COB 或琥珀酰亚胺取代的 C₁-C₈ 低级烷氧基;R₁ 和 R₂ 各自代表 H、C₁-C₈ 低级烷基或任选取代的芳基,或者 R₁ 和 R₂ 与相邻的氮原子结合在一起代表杂环;B 代表 OH、C₁-C₈ 低级烷基、任选取代的芳基、任选取代的芳氧基、C₁-C₈ 低级烷氧基、任选取代的芳氧基或 NR₁R₂,其中 R₁ 和 R₂ 各自如上定义。该化合物可用作蛋白酶抑制剂。