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Effect of <i>N</i>-Alkyl and <i>N</i>-Alkenyl Substituents in Noroxymorphindo...
The N-alkyl analogues (N-ethyl through N-heptyl), branched N-alkyl chain analogues (N-isopropyl, N-2-methylpropyl, and N-3-methylbutyl), and N-alkenyl analogues... -
r37980778c78--8a55b4d090be28a03d54dd1949a1eaaf
Structural modification of salvinorin A, the active component of Salvia divinorum, has resulted in the synthesis of novel neoclerodane diterpenes with opioid receptor affinity... -
Effects of the Substitution of Phe<sup>4</sup> in the Opioid Peptide [d-Ala<s...
Phenylalanine at position 4 of the peptide dynorphin A (Dyn A) is an important residue for opioid receptor affinity and activity, but there is very little information available...