SH-I-048A

SH-I-048A (SH-i-048A) is a benzodiazepine derivative related in structure to compounds such as flubromazepam and meclonazepam. SH-I-048A is described as a non subtype selective superagonist at the benzodiazepine site of GABAA receptors,[1] with a binding affinity of 0.77nM at the α1 subtype, 0.17nM at α2, 0.38nM at α3 and 0.11nM at α5.[2] It has been used to study the functional differences between the different subtypes of the GABAA receptor.[3][4]

SH-I-048A
Legal status
Legal status
Identifiers
  • (3S)-7-bromo-5-(2-fluorophenyl)-3-methyl-1H-benzo[e] [1,4]diazepin-2(3H)-one
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC16H12BrFN2O
Molar mass347.187 g·mol−1
3D model (JSmol)
  • Fc3ccccc3C2=N[C@@H](C)C(=O)Nc1ccc(Br)cc12
  • InChI=1S/C16H12BrFN2O/c1-9-16(21)20-14-7-6-10(17)8-12(14)15(19-9)11-4-2-3-5-13(11)18/h2-9H,1H3,(H,20,21)/t9-/m0/s1
  • Key:QEFZCKUXGLDPPT-VIFPVBQESA-N

See also

References
  1. Obradović AL, Joksimović S, Poe MM, Ramerstorfer J, Varagic Z, Namjoshi O, Batinić B, Radulović T, Marković B, Roth BL, Sieghart W, Cook JM, Savić MM (2014). "Sh-I-048A, an in vitro non-selective super-agonist at the benzodiazepine site of GABAA receptors: the approximated activation of receptor subtypes may explain behavioral effects". Brain Research. 1554: 36–48. doi:10.1016/j.brainres.2014.01.036. PMC 3996760. PMID 24472579.
  2. Clayton T, Poe MM, Rallapalli S, Biawat P, Savić MM, Rowlett JK, et al. (2015). "A Review of the Updated Pharmacophore for the Alpha 5 GABA(A) Benzodiazepine Receptor Model". International Journal of Medicinal Chemistry. 2015: 430248. doi:10.1155/2015/430248. PMC 4657098. PMID 26682068.
  3. Obradović LA, Joksimović S, Poe MM, Timić T, Cook JM, Savić MM (June 2014). "Delayed Behavioral Effects of SH–I–048A, a Novel Nonselective Positive Modulator of Gabaa Receptors, After Peripheral Nerve Injury in Rats". Acta Veterinaria. 64 (2): 189–99. doi:10.2478/acve-2014-0018.
  4. Elgarf AA, Siebert DC, Steudle F, Draxler A, Li G, Huang S, et al. (August 2018). "Different Benzodiazepines Bind With Distinct Binding Modes to GABAA Receptors". ACS Chemical Biology. 13 (8): 2033–2039. doi:10.1021/acschembio.8b00144. PMC 6102643. PMID 29767950.
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