申请人:SmithKline Beecham Farmaceutici S.p.A.
公开号:EP0372694A2
公开(公告)日:1990-06-13
Compounds of formula (Ia), or pharmaceutically acceptable salts or solvates thereof,
in which A, together with the nitrogen atom, represents -(CH₂)p-, where p is an integer from 3 to 6, or an optionally substituted tetrahydroisoquinoline ring system;
each of R₁ and R₂ are independently hydrogen, C₁₋₆ alkyl, C₂₋₆ alkenyl C₃₋₆ cycloalkyl or C₄₋₁₂ cycloalkylalkyl, or together form a C₂₋₆ polymethylene or C₂₋₆ alkenylene group, optionally substituted with a hetero-atom,
Rx is hydrogen, C₁₋₆ alkyl or phenyl, or together with R₁ forms a -(CH₂)₃- or -(CH₂)₄- group; and
R comprises a substituted or unsubstituted carbocyclic or heterocyclic aromatic group;
and compounds of formula (Ib)
in which: R, R₁, R₂ and X are as defined in formula (Ia)
Ra is C₁₋₆ alkyl or phenyl;
Rb is hydrogen or together with Ra forms a -(CH₂)n- group in which n = 1, 2 or 3; and
'Het' is an optionally substituted single or fused ring heterocyclic group containing from 5 to 12 ring atoms and comprising up to four hetero-atoms in the or each ring, selected from oxygen, nitrogen and sulphur,
are useful as diuretic agents.
式(Ia)化合物或其药学上可接受的盐或溶剂、
其中 A 与氮原子一起代表-(CH₂)p-,其中 p 为 3 至 6 的整数,或任选取代的四氢异喹啉环系统;
R₁ 和 R₂ 各自独立地为氢、C₁₋₆ 烷基、C₂₋₆ 烯基 C₃₋₆ 环烷基或 C₄₋₁₂ 环烷基烷基、或共同形成 C₂₋₆ 聚亚甲基或 C₂₋₆ 烯基,可选被杂原子取代、
Rx 是氢、C₁₋₆烷基或苯基,或与 R₁ 一起形成 -(CH₂)₃- 或 -(CH₂)₄- 基团;以及
R 包括取代或未取代的碳环或杂环芳香基团;
以及式 (Ib) 的化合物
其中R、R₁、R₂ 和 X 如式 (Ia) 所定义
Ra 是 C₁₋₆ 烷基或苯基;
Rb 是氢或与 Ra 一起形成-(CH₂)n- 基团,其中 n = 1、2 或 3;以及
Het'是任选取代的单环或熔合环杂环基团,含有 5 至 12 个环原子,在环中或每个环中包含最多四个杂原子,选自氧、氮和硫、
可用作利尿剂。