AMINO ACID DERIVATIVES, PROCESS FOR OBTAINING THEM, INTERMEDIATE COMPOUNDS IN OBTAINING THEM AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

1. Amino acid derivatives of general formula I see diagramm : EP0002534,P11,F1 wherein R**1 signifies hydrogen or methyl and R**2 signifies n-C2-4 -alkyl or 4-guanidinobutyl, with the R-configuration at the C-atom denoted by (a) (when R**1=methyl) and the L-configuration at the C-atom denoted by (b), and their pharmaceutically comptable salts.