NEW AMINO ACID DERIVATIVES, PROCESSES FOR PREPARING THEM ANDPHARMACEUTICAL COMPOSITIONS CONTAINING THESE COMPOUNDS

摘要

The invention relates to new amino acid derivatives of general formula I R1 - R11 - A1 - A2 - NR2R3 (I) and the pharmaceutically acceptable salts thereof, wherein R1, A1, A2 , R2, R3 and R11 have the meanings given in the specification and the preparation and use thereof. The new compounds are valuable neurokinin (tachykinin)-antagonists.