申请人:Dainippon Sumitomo Pharma Co., Ltd.
公开号:EP1908752A1
公开(公告)日:2008-04-09
A compound represented by the formula (1) or a pharmaceutically acceptable salt thereof which has a therapeutic or prophylactic effect on an SNS-related disease such as neuropathic pain. (1) wherein R1 and R2 independently represent an alkyl group having 1 to 4 carbon atoms or the like, or R1 and R2 may together form a 5- to 7-membered ring; n represents a numerical number of 1 to 3; A represents a substituted or unsubstituted aryl group or the like or a formula: -N(R5)R6 (wherein R5 and R6 independently represent a substituted or unsubstituted alkyl group or the like); and R3 and R4 independently represent a sustituted or unsubstituted alkyl group or the like, or R3 and R4 may together form a substituted or unsubstituted, saturated or unsubstituted nitrogenated heterocyclic ring, provided that both of R1 and R2 are not a hydrogen atom when R3 and R4 together form a piperidine ring.
一种由式(1)代表的化合物或其药学上可接受的盐,对神经病理性疼痛等 SNS 相关疾病具有治疗或预防作用。(1) 其中 R1 和 R2 独立地代表具有 1 至 4 个碳原子的烷基或类似物,或 R1 和 R2 可共同形成 5 至 7 元环;n 代表 1 至 3 的数字;A 代表取代或未取代的芳基或类似物或式:-N(R5)R6(其中 R5 和 R6 独立地代表取代或未取代的烷基或类似物);以及 R3 和 R4 独立地代表取代或未取代的烷基或类似物,或者 R3 和 R4 可共同形成取代或未取代的、饱和或未取代的氮化杂环,条件是当 R3 和 R4 共同形成哌啶环时,R1 和 R2 都不是氢原子。