申请人:Takeda Pharmaceutical Company Limited
公开号:US08110585B2
公开(公告)日:2012-02-07
The present invention provides a compound represented by the formula
wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s); R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s); Xa and Xb are each C, N, O or S; Xc and Xd are each C or N; m is 0-2; n is 1-3; ring A is a 5-membered ring optionally having substituent(s); ring B is a 6-membered ring optionally having substituent(s); and ring C is a 3- to 5-membered ring optionally having substituent(s), provided that when Xa, Xc and Xd are each C, then Xb is N or S, or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
本发明提供了一种化合物,其表示为以下式子:
其中,R1是一个烃基,可选择地具有取代基,氨基,可选择地具有取代基的羟基,或可选择地具有取代基的杂环基;R2是氢原子或可选择地具有取代基的烃基;Xa和Xb分别是C,N,O或S;Xc和Xd分别是C或N;m为0-2;n为1-3;环A是一个可选择地具有取代基的5元环;环B是一个可选择地具有取代基的6元环;环C是一个可选择地具有取代基的3-至5元环,但当Xa,Xc和Xd都为C时,则Xb为N或S,或其盐,其用作一种预防或治疗与褪黑激素作用有关的疾病的药剂等。