发明公开
EP0300688A1 Pyrrole derivatives, process for their preparation and pharmaceutical compositions containing them 失效
吡咯衍生物,它们的制备方法和含有它们的药物组合物。

Pyrrole derivatives, process for their preparation and pharmaceutical compositions containing them
摘要:
Compounds of formula I,
wherein
R₁, R₂, R₃ and R₅ have the meanings defined in the specification,
G2 represents a chain -(CH₂) z (W) y -, in which W has various meanings including C=O, and up to two of the methylene segments in the chain (CH₂) z are optionally replaced by -NH- and one segment is optionally replaced by -O- or -(C=NR₄₀)-, and the chain is optionally unsaturated and optionally substituted, and
A is a 5- or 6-membered ring or a bicyclic or tricyclic fused ring system, A being optionally substituted by various substituents,
possess useful pharmacological properties, in particular as cardiotonics.
Also described are processes for the preparation of compounds of formula I, pharmaceutical compositions containing them and methods of treatment involving their use.
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