The subject of the invention is compounds of general formula: ##STR1## in which: X represents O or CHR, R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, represent a hydrogen atom or a C.sub.1 -C.sub.7 alkyl group, it being possible for R.sub.1 to additionally form a bond with R; R.sub.5 represents a hydrogen atom, a hydroxyl group or R.sub.5, taken together with R.sub.7, forms a bond or a >O; group; R.sub.6 represents a group of formula: ##STR2## in which R.sub.10 and R.sub.11, taken together with the carbon atom to which they are attached, form a nitrogenous heterocyclic group, and their N-oxides and pharmaceutically acceptable salts. These compounds are powerful activators of potassium channels.
本发明的主题是具有一般式的化合物:##STR1##
其中:X代表O或CHR,R1、R2、R3和R4相同或不同,代表氢原子或C1-C7烷基,其中R1还可以与R形成键;R5代表氢原子、羟基或R5,与R7一起形成键或> O;基团;R6代表式的基团:##STR2##
其中R10和R11与它们附着的碳原子一起形成含氮杂环基团,以及它们的N-氧化物和药学上可接受的盐。这些化合物是强效的
钾通道激动剂。