申请人:CHUGAI SEIYAKU KABUSHIKI KAISHA
公开号:EP2048152A1
公开(公告)日:2009-04-15
Provided are a compound represented by Formula (I):
wherein R1, R2, R3, and R4 are each independently selected from a hydrogen atom, a C1-6 alkyl group which may be substituted, a C7-14 aralkyl group which may be substituted and -C(=O)Rx; n denotes an integer selected from 1 and 2; and ring Ar is selected from the groups represented by the following Formula (a) to (f).
, or a prodrug thereof or a pharmaceutically acceptable salt thereof as well as a pharmaceutical agent and a pharmaceutical composition containing such a compound or a prodrug thereof, or a pharmaceutically acceptable salt thereof.
提供了一种由式 (I) 表示的化合物:
其中 R1、R2、R3 和 R4 各自独立地选自氢原子、可被取代的 C1-6 烷基、可被取代的 C7-14 芳烷基和 -C(=O)Rx;n 表示选自 1 和 2 的整数;环 Ar 选自下式 (a) 至 (f) 所代表的基团。
上述化合物或其原药或其药学上可接受的盐,以及药剂和含有上述化合物或其原药或其药学上可接受的盐的药物组合物。