Importance

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Abstract

The invention refers to new diamines of the Formula I ##STR1## wherein R stands for ##STR2## wherein A stands for C.sub.1-5 alkylene which can be substituted by hydroxyl, X stands for a single or double bond, R.sup.2 stands for aryl or heteroaryl optionally substituted by halogen, C.sub.1-4 alkoxy or acylamino, R.sup.3 stands for hydrogen or C.sub.1-4 alkyl, A.sup.1 stands for a single bond or C.sub.1-5 alkyl optionally substituted by hydroxyl or thioalkylene or oxyalkylene, R.sup.4 stands for a 5- or 6- membered aromatic or heteroaromatic ring which can be substituted by one or more hydroxyl, C.sub.1-4 alkyl and/or C.sub.1-4 alkoxy and/or halogen or methylenedioxy and the alkyl group can be unsaturated as well, Q stands for a 6-membered ring which can be partially hydrogenated, and R.sup.1 stands for C.sub.1-4 alkyl. The new compounds are antiarrhythmic agents.

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First Claim