NEW N-ALKYLATED TRIPEPTIDES, A PROCESS FOR THEIR PREPARATION, MEDICAMENTS CONTAINING THEM, AND THEIR USE

摘要

The N-alkylated tripeptides have the formula I in which A is the residue of an amino acid, R<4> together with R<5> and the atoms carrying them form a heterocyclic ring system, n is 1 or 2, and R, R<1>, R<2> and R<3> are hydrogen or a defined radical.