申请人:KISSEI PHARMACEUTICAL CO., LTD.
公开号:US20160289206A1
公开(公告)日:2016-10-06
The present invention provides a new compound which has NK
1
receptor antagonist activity, whose CYP3A4 inhibitory activity is reduced compared to aprepitant, and which are useful for the prevention or treatment of cancer-chemotherapy-induced nausea and vomiting. That is, the present invention relates to carboxymethyl piperidine derivatives represented by the following formula (I) or a pharmaceutically acceptable salt thereof. Wherein, ring A is a benzene ring or the like; ring B is a pyridine ring or the like; R
1
is C
1-6
alkyl or C
1-6
alkoxy; R
2
and R
3
are a hydrogen atom or methyl; and n is an integral number from 0 to 5.
本发明提供了一种新的化合物,具有NK1受体拮抗活性,其CYP3A4抑制活性与阿普利坦相比减少,并且对于预防或治疗化疗引起的恶心和呕吐具有用处。即,本发明涉及以下式(I)所代表的羧甲基哌啶衍生物或其药用可接受的盐。其中,环A是苯环或类似物;环B是吡啶环或类似物;R1是C1-6烷基或C1-6烷氧基;R2和R3是氢原子或甲基;n是从0到5的整数。