申请人:Takeda Pharmaceutical Company Limited
公开号:US08273761B2
公开(公告)日:2012-09-25
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), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa to Xe are each a carbon atom or a nitrogen atom, m is 0 to 2, and ring A to ring C are each a ring optionally having substituent(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,其表示为式中,R1是一个烃基,可选地具有取代基,氨基,可选地具有取代基的羟基或杂环基,R2是氢原子或烃基,可选地具有取代基,R3是氢原子,卤素原子,可选地具有取代基的烃基,氨基,可选地具有取代基的羟基或可选地具有取代基的硫醇基,Xa到Xe分别是碳原子或氮原子,m为0到2,环A到环C分别是可选地具有取代基的环,或其盐,其用作预防或治疗与褪黑激素作用相关的疾病的药剂等。