| abstract |
Derivatives of the peptides of the formula I cycle- (Arg-X1-Asp-X2-X3-X4-X5-X6-R1) I where X1 is Ser, Gly or Thr, X2 is Leu, Ile, Nle, Val or Phe, X3 is Asp, Glu, Lys or Phe, X4 is Gly, Ala or Ser, X5 is Leu, Ile, Nle, Val or Phe, X6 is Arg, Har or Lys, R1 is one or more omega acid residues aminocarboxylic, the omega-aminocarboxylic acid residue or residues having a length of 500 to 2500 pm, which include the D and L forms of the optically active amino acid residues, as well as their physiologically compatible salts and solvates. |