申请人:Takeda Chemical Industries, Ltd.
公开号:US06235789B1
公开(公告)日:2001-05-22
A compound of the formula
wherein R1 and R2 are H, a hydrocarbon group or a heterocyclic group, or R1 and R2 are combinedly a spiro ring; R3 is a hydrocarbon group, a substituted amino group, a substituted hydroxyl group or a heterocyclic group; R4 is H or alkyl; ring A is a substituted benzene ring; m and n denote 1 to 4; overscore (.........)} means a single or double bond or a salt, a process of producing thereof and a composition having a binding affinity for melatonin receptor.
式中R1和R2为H、一个碳氢基团或一个杂环基团,或者R1和R2合并为一个螺环;R3为一个碳氢基团、一个取代氨基团、一个取代羟基团或一个杂环基团;R4为H或烷基;环A为一个取代苯环;m和n表示1到4;overscore (.........)}表示一个单键或双键或盐,一种生产方法及具有对褪黑激素受体具有结合亲和力的组合物。