A compound represented by 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 and Y are the same or different and each is a bound, —O—, —S—, —SO—, —SO?2#191- or —NR
3
— (R
3
is a hydrogen atom or an optionally substituted hydrocarbon group); and L is a divalent hydrocarbon group, or a salt thereof shows a superior peptidase-inhibitory activity and is useful as a prophylactic or therapeutic agent of diabetes and the like.
该化合物的
化学式表示为其中环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,每个都是可选择取代的
碳氢基团或可选择取代的杂环基团;X和Y相同或不同,每个都是一个键合,-O-,-S-,-SO-,-SO2-或-NR3-(R3是
氢原子或可选择取代的
碳氢基团);L是一个二价的
碳氢基团或其盐,具有优越的肽酶抑制活性,并可作为糖尿病等预防或治疗剂使用。