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(S)-(-)-5-Fluorowillardiine
Chemical Name:(S)-(-)-a-Amino-5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)pyr
idinepropanoic acid
Biological Activity:
A more potent and selective AMPA
receptor agonist (at hGluR1 and hGluR2) than AMPA itself (Ki = 14.7,
25.1, and 1820 nM for hGluR1, hGluR2 and hGluR5 respectively).
Patneauet al (1992) Activation and desensitization of
AMPA/kainate receptors by novel derivatives of willardiine. J.Neurosci. 12
595. Wong et al (1994) Willardiines differentiate agonist binding
sites for kainate-versus AMPA-preferring glutamate receptors in DRG and
hippocampal neurones. J.Neurosci. 14 3881. Hawkinset
al (1995) Binding of the new radioligand (S)-[3H]-AMPA to rat brain
synaptic membranes: effects of a series of structural analogues of the non-NMDA
receptor agonist willardine. Neuropharmacology 34 405. Janeet al (1997) Synthesis of willardiine and 6-azawillardiine analogs:
pharmacological characterization on cloned homomeric human AMPA and kainate
receptor subtypes. J.Med.Chem. 40 3645.
Displays 26-fold and > 440-fold selectivity over kainate and NMDA receptors respectively. Neuro-protective; delays neuronal death in a global ischaemia model and cerebral infarction in a focal ischaemia model.