Amidoxina derivatives propenecarboxylic acid, process for their preparation, and pharmaceutical compositions containing them.

Amidoxamina derivative propenecarboxylic acid ** ** formula in which R represents a C1-20 alkyl, a phenyl group which is optionally substituted by 1 to 3 substituent (s), wherein the substituent is a halogen atom and / or a C1-2 alkyl group and / or a C1-2 alkoxy group and / or an amino group and / or a (C1-4 alkyl) amino and / or a di (C1-4 alkyl) amino and / or a (C1-4 alkanoyl) amino, or R represents a saturated or unsaturated group heteraciclico 5 or 6 membered containing one or two atom (s) of nitrogen or a sulfur atom as the heteroatom and said heterocyclic group is optionally fused with one or more ring (s) of benzene and / or one or more group (s) heterocyclic, and r, represents a hydrogen atom, or forms together with R r, a cycloalkyl group optionally fused with a C5-7 ring benzene, furthermore N-oxides or geometrical isomers and / or optical isomers and / or salts of pharmaceutically acceptable acid addition ade priate and / or quaternary derivatives thereof.