申请人:MURATA Takahiko
公开号:US20110098481A1
公开(公告)日:2011-04-28
Provided is a compound represented by the formula (1):
wherein R
1
and R
2
are each independently a hydrogen atom or a straight chain alkyl group having a carbon number of 1-3, R
3
is a hydrogen atom, an alkyl group having a carbon number of 1-4, an alkoxyalkyl group, an aryl group, a halogen atom or a haloalkyl group, or a pharmaceutically acceptable salt thereof, which has, unlike known PGI
2
analogs, a selective EP4 agonist action, and a medicament containing the compound, which is useful for the prophylaxis and/or treatment of immune diseases, diseases of the digestive tract, cardiovascular diseases, cardiac diseases, respiratory diseases, neurological diseases, ophthalmic diseases, renal diseases, hepatic diseases, bone diseases, skin diseases and the like.
提供的化合物由以下式表示:其中R1和R2分别是氢原子或碳数为1-3的直链烷基基团,R3是氢原子、碳数为1-4的烷基基团、烷氧基烷基基团、芳基、卤素原子或卤代烷基基团,或其药用盐。该化合物具有选择性EP4激动剂作用,与已知的PGI2类似物不同,并且含有该化合物的药物可用于预防和/或治疗免疫性疾病、消化道疾病、心血管疾病、心脏疾病、呼吸系统疾病、神经系统疾病、眼科疾病、肾脏疾病、肝脏疾病、骨骼疾病、皮肤疾病等。