申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:US11273168B2
公开(公告)日:2022-03-15
A heterocyclic compound represented by the general formula (1) or a salt thereof:
wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—;
R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group;
R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and
R4 represents an aromatic group or a heterocyclic group, wherein
the aromatic or heterocyclic group may have one or more arbitrary substituent(s).
由通式(1)代表的杂环化合物或其盐: 其中 m、l 和 n 分别代表 1 或 2 的整数;X 代表 -O- 或 -CH2-;R1 代表氢、低级烷基、羟基-低级烷基、保护基或三低级烷基硅氧基-低级烷基; R2 和 R3(相同或不同)各自独立地代表氢或低级烷基;或 R2 和 R3 键合形成环-C3-C8 烷基;以及 R4 代表芳香基团或杂环基团,其中芳香基团或杂环基团可具有一个或多个任意取代基。