Chiral Effect of a Phe Residue in Position 3 of the Dmt<sup>1</sup>-<scp>l</scp>(or <scp>d</scp>)-Tic<sup>2</sup> Analogues on Opioid Functional Activities
作者:Yeon Sun Lee、HongChang Qu、Peg Davis、Shou-Wu Ma、Ruben Vardanyan、Josephine Lai、Frank Porreca、Victor J. Hruby
DOI:10.1021/ml400115n
日期:2013.7.11
In this letter, we describe a structure-activity relationships study, specifically related to the chirality of third amino acid residue in our H-Dmt-L(or D)-Tic analogues, of which C-terminus is attached to a piperidinyl moiety. Observed selectivities and functional activities of these analogues demonstrated that the chiralities of the second and third position residues are crucial for determining whether these ligands act as antagonists or agonists at the delta opioid receptor, but not at the mu opioid receptor.