Amino-acid derivatives, their preparation and pharmaceutical compositions containing them.

摘要

Compounds of general formula: <IMAGE> in which R may denote a hydrogen atom; R1 may denote a linear or branched, saturated alkyl group containing from 1 to 10 carbon atoms; R2 and R3 are identical or different and denote: - a hydrogen atom, - a linear or branched, saturated alkyl group containing 1 to 10 carbon atoms; R4 may denote a hydroxyl group; A-B denotes an amide CO-NH or reversed amide NH-CO group. Application to the preparation of pharmaceutical compositions