申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US10100030B2
公开(公告)日:2018-10-16
The present invention provides a new compound which has NK1 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; R1 is C1-6 alkyl or C1-6 alkoxy; R2 and R3 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化合物,该化合物具有 NK1 受体拮抗剂活性,其 CYP3A4 抑制活性与阿普瑞坦相比有所降低,可用于预防或治疗癌症化疗引起的恶心和呕吐。也就是说,本发明涉及下式(I)所代表的羧甲基哌啶衍生物或其药学上可接受的盐。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 0 至 5 的整数。