申请人:Takeda Chemical Industries, Ltd.
公开号:US05922771A1
公开(公告)日:1999-07-13
A compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent H or an optionally substituted hydrocarbon group; R.sup.3 represents an optionally substituted hydrocarbon group; R.sup.4 represents H or a hydrocarbon group; ring A represents a substituted benzene ring; X represents a C.sub.2-4 alkylene group etc.; and Y represents a bond or a lower alkylene group, or salts thereof is useful as prophylactic or therapeutic agents of diseases related with melatonin activity.
式##STR1##中的化合物,其中R.sup.1和R.sup.2分别代表H或一个可选择取代的碳氢基团;R.sup.3代表一个可选择取代的碳氢基团;R.sup.4代表H或一个碳氢基团;环A代表一个取代的苯环;X代表一个C.sub.2-4烷基基团等;Y代表键或一个较低的烷基基团,或其盐,可用作与褪黑激素活性相关的疾病的预防或治疗剂。