Novel 2-substituted 3-(2-ethoxyethyl)imidazo[4,5-b] pyridine derivatives of the formula
wherein n is an integer of from 1 to 5 inclusive
R₁ and R₂ represent each a saturated or unsaturated alkyl radical containing from 1 to 4 carbon atoms or they form, together with the adjacent nitrogen atom an optionally substituted heterocyclic ring and
the corresponding non-toxic pharmaceuticaily acceptable acid addition salts.
The compounds of formula (I) are endowed with an antiallergic and antihistaminic activity.
新颖的 2-取代 3-(
2-乙氧基乙基)
咪唑并[4,5-b]
吡啶衍生物,其式为
其中 n 为 1 至 5(含 5)的整数
R₁ 和 R₂ 各自代表含有 1 至 4 个碳原子的饱和或不饱和烷基,或者它们与相邻的氮原子一起形成任选取代的杂环,以及
相应的无毒、药学上可接受的酸加成盐。
式(I)化合物具有抗过敏和抗
组胺活性。