The present invention provides a compound of the formula: wherein ring A is an optionally substituted 5 to 10-membered aromatic ring; R
1
and R
2
are the same or different and each is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group; X is a bond and the like; and L is a divalent hydrocarbon group, and a salt thereof, except 3-(aminomethyl)-2,6,7-trimethyl-4-phenyl-1(2H)-isoquinolinone, 3-(aminomethyl)-2-methyl-4-phenyl-1(2H)-isoquinolinone, 3-(aminomethyl)-6-chloro-2-methyl-4-phenyl-1(2H)-isoquinolinone and 3-(aminomethyl)-2-isopropyl-4-phenyl-1(2H)-isoquinolinone. The compound shows a superior peptidase-inhibitory activity and is useful as an agent for the prophylaxis or treatment of diabetes and the like.
1
本发明提供了一种化合物,其
化学式如下:其中环A是一个可选择取代的5至10成员芳香环;R1和R2相同或不同,每个都是一个可选择取代的
碳氢化合物基团或可选择取代的杂环基团;X是一个键等;L是一个二价
碳氢基团,以及其盐,但不包括3-(
氨甲基)-2,6,7-三
甲基-4-
苯基-1(2H)-
异喹啉酮,3-(
氨甲基)-
2-甲基-4-
苯基-1(2H)-
异喹啉酮,3-(
氨甲基)-6-
氯-
2-甲基-4-
苯基-1(2H)-
异喹啉酮和3-(
氨甲基)-2-
异丙基-4-
苯基-1(2H)-
异喹啉酮。该化合物表现出优越的肽酶抑制活性,并可用作糖尿病的预防或治疗剂等。