申请人:Oi Satoru
公开号:US20070037807A1
公开(公告)日:2007-02-15
A compound represented by the formula
wherein
R
1
and R
2
are the same or different and each is an optionally substituted hydrocarbon group or an optionally substituted hydroxy group; R
3
is an optionally substituted aromatic group; R
4
is an optionally substituted amino group; L is a divalent chain hydrocarbon group; Q is a bond or a divalent chain hydrocarbon group; and X is a hydrogen atom, a cyano group, a nitro group, an acyl group, a substituted hydroxy group, an optionally substituted thiol group, an optionally substituted amino group or an optionally substituted cyclic group; provided that when X is an ethoxycarbonyl group, then Q is a divalent chain hydrocarbon group. The compound has a peptidase inhibitory action, is useful as an agent for the prophylaxis or treatment of diabetes and the like, and is superior in efficacy, duration of action, specificity, lower toxicity and the like.
该化合物的化学式为其中R1和R2是相同或不同的可选择取代的烃基或可选择取代的羟基;R3是可选择取代的芳香基;R4是可选择取代的氨基;L是二价链烃基;Q是键或二价链烃基;X是氢原子、氰基、硝基、酰基、可选择取代的羟基、可选择取代的硫醇基、可选择取代的氨基或可选择取代的环状基;但当X是乙氧羰基时,Q是二价链烃基。该化合物具有肽酶抑制作用,可用作预防或治疗糖尿病等药物,具有优异的疗效、持续时间、特异性、低毒性等特点。