Dermorphin tetrapeptide analogues with 2′,6′-dimethylphenylalanine (Dmp) substituted for aromatic amino acids have high μ opioid receptor binding and biological activities1

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The Opioid μ Agonist/δ Antagonist DIPP-NH₂[Ψ] Produces a Potent Analgesic Effect, No Physical Dependence, and Less Tolerance than Morphine in Rats

Peter W. Schiller, Marian E. Fundytus, Lisa Merovitz et al. · Journal of Medicinal Chemistry · 1999 · 186 citations · Full text

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Synthesis and in vitro opioid activity profiles of DALDA analogues

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Systemic analgesic activity and .delta.-opioid selectivity in [2,6-dimethyl-Tyr1, D-Pen2, D-Pen5]enkephalin

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