NEW SUBSTITUTED AMINO ACID DERIVATIVES, PROCESS FOR PREPARING THESE AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

Derivatives of general formula (1): …… in which: … …  - R1 denotes a linear or branched lower or higher alkoxy group or an optionally substituted amino group, …  - R2 denotes a lower alkyl group optionally substituted by an amino group, …  - R3 denotes an amino, lower or higher alkoxy, or hydroxyl group provided, however, that at least one amino group is present as R1 or R3 …  - R4 denotes a hydrogen atom or an aryl group, …  - m is equal to 1 or 2, …  - n is between 1 and 6, …  - Ra and Rb, which are identical or different, denote, when m = 1, a hydrogen atom, when m = 2, a hydrogen atom or an alkyl group. … …Medications.