申请人:Kobayashi Nobuo
公开号:US20090137799A1
公开(公告)日:2009-05-28
Cycloalkylcarbonylamino acid ester derivatives, which are raw material intermediates for a novel cycloalkane carboxamide derivative having an action that selectively inhibits cathepsin K, and a production process thereof, are provided.
A cycloalkylcarbonylamino acid ester derivative represented by formula (I), or a pharmaceutically acceptable salt thereof:
(wherein, R
1
and R
2
represent alkyl groups, alkenyl groups, alkynyl groups, aromatic hydrocarbon groups, heterocyclic groups, etc., R
8
represents an alkyl group having 1 to 6 carbon atoms, and ring A represents a cyclic alkylidene group having 5, 6 or 7 carbon atoms).
环烷基羰基氨基酸酯衍生物是一种新型环烷烃羧酰胺衍生物的原料中间体,具有选择性抑制卡特普辛K的作用,提供其生产工艺。
表示为式(I)的环烷基羰基氨基酸酯衍生物,或其药学上可接受的盐:
(其中,R1和R2代表烷基、烯基、炔基、芳香烃基、杂环基等,R8代表具有1至6个碳原子的烷基,环A代表具有5、6或7个碳原子的环烷基亚基)。