申请人:ZAIDAN HOJIN BISEIBUTSU KAGAKU KENKYU KAI
公开号:EP0709373A1
公开(公告)日:1996-05-01
A novel pyrrolidine derivative represented by general formula (1) or a pharmaceutically acceptable salt thereof, having a prolyl endopeptidase inhibitor activity and promising as an active ingredient of an antiamnetic. In said formula R1 represents (1) lower alkyl (C₁-C₆) or (2) an optionally substituted hydrocarbon ring group (a 3- to 15-membered monocyclic or fused-ring group); n and m represent each an integer and the sum of them represents an integer of 0 to 2; X and E represent each oxygen. NR' (wherein R' represents hydrogen or C₁-C₆ alkyl), sulfur, phenylene, CH=CH or CH₂; A represents an amino acid or imino acid residue wherein the functional group(s) may be substituted, or a glycine residue wherein the amino group may be substituted; and Y1 represents C₃-C₈ cycloalkyl.
一种通式(1)代表的新型吡咯烷衍生物或其药学上可接受的盐,具有脯氨酰内肽酶抑制剂活性,有望作为抗厌氧菌药的活性成分。在所述式中,R1 代表 (1) 低级烷基(C₁-C₆)或 (2) 任选取代的烃环基(3-15 元单环或融合环基);n 和 m 各代表一个整数,二者之和代表 0-2 的整数;X 和 E 各代表氧。NR'(其中 R'代表氢或 C₁-C₆烷基)、硫、亚苯基、CH=CH 或 CH₂;A 代表氨基酸或亚胺酸残基(其中官能团可被取代)或甘氨酸残基(其中氨基可被取代);以及 Y1 代表 C₃-C₈环烷基。