| abstract |
One embodiment of the present invention relates to heteroarylacryloylaminoalkyl-substituted benzenesulfonamide derivatives of the formula (I),in which R(1), R(2), R(3), R(4), Het, X, Y and Z have the meanings indicated in the specification, and to pharmaceutically tolerable salts thereof. The compounds of the invention are valuable pharmaceutically active compounds that have, for example, an at inhibitory action on ATP-sensitive potassium channels in the cardiac muscle and/or in the vagal cardiac nerve and are suitable, for example, for the treatment of disorders of the cardiovascular system such as coronary heart disease, arrhythmias, cardiac insufficiency, cardiomyopathies, decreased contractility of the heart, or vagal dysfunction of the heart, or for the prevention of sudden cardiac death. The invention furthermore relates to processes for the preparation of the compounds of the formula (I) and pharmaceutically tolerable salts thereof, their use, and pharmaceutical preparations comprising them. |