Compounds of formula (A):
wherein:
― W is a residue which imparts antagonistic and/or agonistic activity at histamine H3-receptors when attached to an imidazole ring in 4(5) position.
― R1 and R2 may be identical or different and represent each independently
a lower alkyl or cycloalkyl, or taken together with the nitrogen atom to which they are attached,
a saturated nitrogen-containing ring (i) as defined,
a non-aromatic unsaturated nitrogen-containing ring (ii) as defined,
a morpholino group, or
a N-substituted piperazino group as defined.
Compounds (A) are useful for preparing medicaments acting as antagonists and/or agonists at the H3-receptors of histamine.
式(A)化合物:
其中
- W 是一个残基,当它连接到 4(5) 位的
咪唑环上时,可对
组胺 H3 受体产生拮抗和/或激动活性。
- R1 和 R2 可以相同或不同,各自独立地代表
低级烷基或
环烷基,或与所连接的
氮原子一起、
定义的饱和含
氮环 (i)
定义的非芳族不饱和含
氮环 (ii)
吗啉基团,或
定义的 N-取代的
哌嗪基团。
化合物(A)可用于制备作为
组胺 H3 受体
拮抗剂和/或激动剂的药物。