申请人:Daiichi Sankyo Company, Limited
公开号:US10968169B2
公开(公告)日:2021-04-06
An object of the present invention is to find a novel pharmaceutical that has an excellent tryptophanase inhibitory effect, and suppresses worsening of renal function to preserve the kidney by reducing production of indoxyl sulfate in the blood. The present invention provides a pharmaceutical composition containing, as an active ingredient, a compound represented by the following formula, or a pharmacologically acceptable salt thereof:
wherein R1 and R2 are the same or different, and represent a C1-C6 alkyl group or the like, and Ar represents an optionally substituted phenyl group or an optionally substituted thienyl group.
本发明的目的是找到一种新型药物,它具有极佳的色氨酸酶抑制作用,并通过减少血液中吲哚硫酸酯的产生来抑制肾功能恶化,从而保护肾脏。本发明提供了一种药物组合物,其活性成分含有下式所代表的化合物或其药理学上可接受的盐:
其中 R1 和 R2 相同或不同,代表 C1-C6 烷基或类似基团,Ar 代表任选取代的苯基或任选取代的噻吩基。