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Analgesic dipeptide derivatives. II. Synthetic dipeptides containing a C-terminal 2-(2-nitrophenylsulfenyl)
International Journal of Peptide and Protein Research
|May 1, 1987
Abstract:
The syntheses of dipeptide derivatives of the general formula X-Trp(Nps)-OR (R = H or Me; X = Lys, Gly, Ala, Leu, Ser, Glu, His, Arg, Orn, Dpr, Gpr and Har) are described. The analgesic activities of Gpr- and Har-containing dipeptides have been evaluated and, in the light of these results, the influence of the side chain length of the basic amino acid on the analgesic effect is studied.