NBQX

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NBQX
NBQX.svg
Space-filling model of the NBQX molecule
Names
IUPAC name
2,3-Dioxo-6-nitro-1,2,3,4-tetrahydrobenzo[f]quinoxaline -7-sulfonamide
Identifiers
3D model (Jmol)
ChemSpider
ECHA InfoCard 100.149.984
KEGG
Properties
C12H8N4O6S
Molar mass 336.281
Appearance brown/red powder
Soluble to 100 mM in DMSO
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

NBQX (2,3-dihydroxy-6-nitro-7-sulfamoyl-benzo[f]quinoxaline-2,3-dione) is an AMPA receptor antagonist.

NBQX blocks AMPA receptors in micromolar concentrations (~10–20 µM) and also blocks kainate receptors. In experiments, it is used to counter glutamate excitotoxicity.[1] NBQX was found to have anticonvulsant activity in rodent seizure models.[2]

As the disodium salt, NBQX is soluble in water at high concentrations (at least up to 100 mM).[3]

See also[edit]

References[edit]

  1. ^ Pitt, D.; Werner, P.; Raine, C. S. (2000). "Glutamate excitotoxicity in a model of multiple sclerosis". Nat Med. 6 (1): 67–70.
  2. ^ Yamaguchi, S.; Donevan, S.D.; Rogawski, M.A. (1993). Anticonvulsant activity of AMPA/kainate antagonists: comparison of GYKI 52466 and NBOX in maximal electroshock and chemoconvulsant seizure models. Epilepsy Res. 15:179–184.
  3. ^ Product information at Tocris