The invention provides compounds of the general formula (I):
or a physiologically acceptable salt, solvate (e.g. hydrate) or a metabolically labile ester thereof in which
R¹ represents a hydrogen atom or a group selected from C₁₋₆alkyl or C₂₋₆alkenyl;
R² represents a hydrogen atom or a group selected from C₁₋₆alkyl, C₃₋₇cycloalkyl, C₃₋₇cycloalkylC₁₋₄alkyl, C₃₋₆alkenyl, fluoroC₁₋₆alkyl, fluoroC₃₋₆alkenyl, phenyl, -(CH₂)kCOR⁵ or -(CH₂)kSO₂R⁵;
R³ represents a hydrogen atom or a group selected from C₁₋₆alkyl optionally substituted by a hydroxy or C₁₋₆alkoxy group, C₂₋₆alkenyl, fluoroC₁₋₆alkyl, -(CH₂)mR⁶, -(CH₂)nCOR⁷ or -(CH₂)pNR⁸COR⁹;
R⁴ represents a group selected from -CO₂H, -NHSO₂CF₃ or a C-linked tetrazolyl group;
R⁵ represents a group selected from C₁₋₆alkyl, C₂₋₆alkenyl, C₁₋₆alkoxy or the group -NR¹⁰R¹¹;
R⁶ represents a phenoxy or benzyloxy group;
R⁷ represents a hydrogen atom or a group selected from hydroxy, C₁₋₆alkyl, C₁₋₆alkoxy, phenyl, phenoxy or the group -NR¹⁰R¹¹;
R⁸ represents a hydrogen atom or a C₁₋₆alkyl group;
R⁹ represents a hydrogen atom or a group selected from C₁₋₆alkyl, C₁₋₆alkoxy, phenyl, benzyl, phenoxy or the group -NR¹⁰R¹¹;
R¹⁰ and R¹¹ which may be the same or different each independently represent a hydrogen atom or a C₁₋₄alkyl group or -NR¹⁰R¹¹ forms a saturated heterocyclic ring which has 5 or 6 ring members and may optionally contain in the ring one oxygen atom;
k represents zero or an integer from 1 to 4;
m represents an integer from 1 to 4;
n represents zero or an integer from 1 to 4; and
p represents an integer from 1 to 4.
The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
本发明提供通式 (I) 的化合物:
或其生理学上可接受的盐、溶液(如
水合物)或代谢易变
酯,其中
R¹ 代表
氢原子或选自 C₁₋₆ 烷基或 C₂₋₆
烯基的基团;
R² 代表
氢原子或选自 C₁₋₆烷基、C₃₋₇烷基、C₁₋₄烷基、C₃₋₆
烯基、
氟C₁₋₆烷基、
氟C₃₋₆
烯基、
苯基、-(CH₂)kCOR⁵或-(CH₂)kSO₂R⁵的基团;
R³ 代表
氢原子或选自以下基团的基团:C₂₋₆烷基、C₂₋₆烷
氧基、C₂₋₆烷基、-(CH₂)mR⁶、-(CH₂)nCOR⁷或-(CH₂)pNR⁸COR⁹;
R⁴ 代表选自 -CO₂H、-NHSO₂CF₃ 或 C-连环
四唑基的基团;
R⁵ 代表选自 C₁₋₆烷基、C₂₋₆
烯基、C₁₋₆ 烷
氧基或基团 -NR¹⁰R¹ 的基团;
R⁶ 代表
苯氧基或苄
氧基;
R⁷ 代表
氢原子或选自羟基、C₁₋₆烷基、C₁₋₆烷
氧基、
苯基、
苯氧基或基团 -NR¹⁰R¹¹ 的基团;
R⁸ 代表
氢原子或 C₁₋₆ 烷基;
R⁹ 代表
氢原子或选自 C₁₋₆烷基、C₁₋₆烷
氧基、
苯基、
苄基、
苯氧基或基团 -NR¹⁰R¹¹ 的基团;
R¹⁰和 R¹¹可以相同或不同,各自独立地代表
氢原子或 C₁₋₄烷基或-NR¹⁰R¹¹,形成一个具有 5 或 6 个环成员的饱和杂环,环中可任选含有一个
氧原子;
k 代表零或 1 至 4 的整数;
m 代表 1 至 4 的整数;
n 代表零或 1 至 4 的整数;以及
p 代表 1 至 4 的整数。
这些化合物可用于治疗或预防高血压和与认知障碍有关的疾病。