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Bioorg Med Chem Lett. 2008 May 1;18(9):2765-70. doi: 10.1016/j.bmcl.2008.04.019. Epub 2008 Apr 11.

Reactive derivatives for affinity labeling in the ifenprodil site of NMDA receptors.

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Laboratoire de Chimie Bioorganique, CNRS UMR 7175, Faculté de Pharmacie, Université Louis Pasteur de Strasbourg, 74 Route du Rhin, F-67401 Illkirch, France.


To prepare thiol-reactive ifenprodil derivatives designed as potential probes for cysteine-substituted NR2B containing NMDA receptors, electrophilic centers were introduced in different areas of the ifenprodil structure. Intermediates and final compounds were evaluated by binding studies and by electrophysiology to determine the structural requirements for their selectivity. The reactive compounds were further tested for their stability and for their reactivity in model reactions; some were found suitable as structural probes to investigate the binding site and the docking mode of ifenprodil in the NR2B subunit.

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