Patent ID: 7863417

Claim:
Tripeptide derivatives of general formula I wherein R 1 represents â€”C(O)â€”R 6 , R 2 and R 4 represent (CH 2 ) n â€”NH 2 n equals 1-4, R 3 represents linear or branched C 1 -C 4 -alkyl optionally substituted by hydroxy, R 5 represents hydrogen, (C 1 -C 24 )-alkyl or optionally substituted C 2 -C 24 -alkenyl, R 6 represents (C 1 -C 24 )-alkyl or optionally substituted C 2 -C 24 -alkenyl, and X represents oxygen (â€”Oâ€”) or â€”NHâ€”; or XR 5 with Xâ•O also represents the esters of Î±-tocopherol, tocotrienol or retinol.