申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP1872783A1
公开(公告)日:2008-01-02
An object of the present invention is to research a therapeutic agent for a keratoconjunctival disorder. A compound represented by the following general formula (1) or a salt thereof exhibits an excellent improving effect on corneal disorder models, and therefore is useful as a therapeutic agent for a keratoconjunctival disorder such as dry eyes, corneal ulcer, keratitis or conjunctivitis. In the formula, the ring Y represents a substituted or unsubstituted nitrogen-containing heterocyclic ring; R1 represents a carboxy group or a substituted or unsubstituted nitrogen-containing 5-membered heterocyclic ring; and R2 and R3 may be the same or different and represent a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted alkylcarbonyl group.
In the formula, X represents
or
本发明的目的是研究一种角膜结膜疾病的治疗剂。由以下通式(1)代表的化合物或其盐对角膜紊乱模型有很好的改善作用,因此可用作干眼症、角膜溃疡、角膜炎或结膜炎等角膜结膜紊乱的治疗剂。式中,环 Y 代表取代或未取代的含氮杂环;R1 代表羧基或取代或未取代的含氮 5 元杂环;R2 和 R3 可以相同或不同,代表氢原子、取代或未取代的烷基或取代或未取代的烷基羰基。
式中,X 代表
或