The present invention provides a compound which has metastin receptor antagonist activity and is useful for preventing and treating hormone-dependent cancer, benign prostatomegaly, endometriosis, precocious puberty, uterine myoma or the like. More specifically, the present invention provides a compound, represented by the formula:
or a salt thereof, a prodrug thereof, and a pharmaceutical agent containing the same; wherein Ring A represents a 5- to 8-membered homocyclic or heterocyclic group optionally having a substituent other than formula -X-R1 wherein X represents a bond or a spacer, and R1 represents optionally substituted amino or an optionally substituted nitrogen-containing heterocyclic group; Ring B represents an optionally substituted benzene ring; R2 represents an optionally substituted homocyclic or heterocyclic group; and R3 and R4 independently represent a hydrogen atom, cyano, acyl or an optionally substituted hydrocarbon group.
本发明提供了一种化合物,该化合物具有转移素受体拮抗剂活性,可用于预防和治疗激素依赖性癌症、良性前列腺肥大、子宫内膜异位症、性早熟、子宫肌瘤或类似疾病。更具体地说,本发明提供了一种由式表示的化合物:
或其盐、其原药以及含有相同成分的药物制剂;其中环 A 代表 5 至 8 元均环或杂环基团,可选具有除式 -X-R1 以外的取代基,其中 X 代表键或间隔物,R1 代表可选取代的
氨基或可选取代的含氮杂环基团;环 B 代表任选取代的苯环;R2 代表任选取代的同环或杂环基团;以及 R3 和 R4 独立地代表氢原子、
氰基、酰基或任选取代的烃基。