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 —CH
2
—;
R
1
represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group;
R
2
and R
3
, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R
2
and R
3
are bonded to form a cyclo-C3-C8 alkyl group; and
R
4
represents an aromatic group or a heterocyclic group, wherein
the aromatic or heterocyclic group may have one or more arbitrary substituent(s).
一种由通式(1)表示的
杂环化合物或其盐:
其中,m、l和n分别表示1或2的整数;X表示-O-或-
CH2-;R1表示氢、低碳基、羟基-低碳基、保护基或三-低
硅氧基-低碳基;R2和R3分别独立地表示氢或低碳基;或者R2和R3结合形成环状C3-C8烷基;R4表示芳基或杂环基,其中芳基或杂环基可能具有一个或多个任意取代基。