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Naphthalene dicarboxaldehyde as an electrophilic fluorogenic moiety for affinity labeling: application to opioid
Christopher R McCurdy1, Bertrand Le Bourdonnec, Thomas G Metzger
1Department of Medicinal Chemistry, College of Pharmacy, School of Medicine, University of Minnesota, Minneapolis, MN 55455, USA.
Journal of Medicinal Chemistry
|June 28, 2002
Abstract:
To develop ligands with fluorogenic properties amenable for following the kinetics of cross-linking to receptors, a naphthalene dicarboxaldehyde moiety has been attached to an opiate pharmacophore 2 and evaluated in mu-opioid receptors. The fluorescence of the benzo[f]isoindole formed upon cross-linking of mu-opioid receptors by 2 permitted the time-course of covalent bonding to be followed. This demonstrated proof-of-concept suggests the usefulness of naphthalene dicarboxaldehyde-containing affinity labels as kinetic probes.