FIELD: medicine, pharmacology, chemistry of peptides. SUBSTANCE: invention relates to new synthesized physiologically active heptapeptides of the general formula: H-Tyr-D-Ala-Phe-Gly-Tyr-X-Ser-NH2 where X is D-Pro or Dh-Pro or Dh-D-Pro where Dh-Pro is 3,4-dehydroproline. Method proposes a chemical modification at 6-th amino acid residue Pro to alternate a physiological activity of the known natural heptapeptide dermorphine of the general formula: H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2. Novel compounds show analgetic activity in combination with thermoregulatory and/or vasomotor activity and/or effect on behavior activity of testing organism. EFFECT: improved method of alternation, new properties of heptapeptide. 3 cl, 14 tbl, 6 dwg, 8 ex
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Authors
Dates
1999-08-10—Published
1997-07-02—Filed