Anti-inflammatory and immunomodulatory amino acid derivatives, their preparation and use

摘要: The present invention ralates to compounds of formula (I): wherein R is hydrogen (H) or c1-6 alkyl; and X defined such that - NH (X) COOH the residue an amino acid, which acid may itself optionally be substituted at any pendant group thereof by a carboxylic derivative thereof; salt thereof. use these compounds, in particular as potential anti-inflammatory immunomodulatory drugs, their preparation are described.