| abstract |
1. The compound of formula I where R is COR or R, where R is a linear or branched C-Salkyl group, a linear or branched C-Salkenyl group, a linear or branched C-Salkynyl group, or a saturated / unsaturated aromatic or heteroaromatic mono or polycyclic group, wherein the alkyl, alkenyl or alkynyl group may be mono- or polysubstituted with substituents selected from the group consisting of halogen, hydroxy, C-Salkoxy, carboxy, C-Salkoxycarbonyl, amino, C-Salkylamino, di (C-C ) alkylamino, cyano, carboxyamide, carboxy (C-C) alkylamino, carboxy-di (C-C) alkylamino, sulfo, sulfides (C-C) alkyl, sulfoxide (C-C) alkyl, sulfono (C-C) alkyl thio or a saturated, unsaturated, aromatic or heteroaromatic, mono- or polycyclic group, said cyclic group being mono- or polysubstituted by substituents selected from the group consisting of halogen, hydroxy, C-Salkoxy, carboxy (C-C) alkoxycarbonyl, amino, C-Salkylamino, di (C-C) alkylamino, cyano, carboxyamide, carboxy (C-C) alkylamido, carboxy-di (C-C) alki lamines do, sulfo, sulfido (C-C) alkyl, sulfoxide (C-C) alkyl, sulfono (C-C) alkyl, thio, C-Cialkyl, C-Salkenyl or C-Salkynyl, R is hydrogen or C-Cialkyl, R is hydrogen or C-C1-6alkyl substituted with a saturated, unsaturated, aromatic or heteroaromatic mono- or polycyclic group, R is hydrogen or C-C1-6alkyl, R is hydrogen or C-C1-6alkyl, and R is (Y) (- NRR), where Y is the residue of aminocarboxylic acid first of all, the remainder of β-aminocarboxylic acid, whereby Y forms a cyclic group, n is 0 or 1, m is 0 or 1, R and R are independently |