| abstract |
Peptides and their functionally equivalent derivatives, in salified or non-salified form, with the general formula L1-X1-X2-X3-X4, wherein: L1 is H, or acyl; X1 and X3, which are the same or different, optionally N-alkylated and / or Cα-alkylated, are selected from Arg, Orn and Lys, optionally guanidinylated, and substituted phenylalanine at the meta or para positions with an amine or guanidine group; X2 is chosen from Aib, Ac3c, Ac4c, Acc and Ac6c, optionally N-alkylated; X4 is chosen from Phe, h-Phe, Tyr, Trp, 1-Nal, 2-Nal, h-1-Nal, h-2-Nal, Cha, Chg and Phg, optionally amidated and / or Cα-alkylated. |