Dexibuprofen

Dexibuprofen is a nonsteroidal anti-inflammatory drug (NSAID).

Dexibuprofen
Clinical data
Trade namesSeractil, Deltaran, Ibusoft, Monactil
AHFS/Drugs.comInternational Drug Names
Routes of
administration		Oral
ATC code
Identifiers
IUPAC name
  • (2S)-2-[4-(2-methylpropyl)phenyl]propanoic acid
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.106.960
Chemical and physical data
FormulaC13H18O2
Molar mass206.285 g·mol−1
3D model (JSmol)
SMILES
  • C[C@@H](c1ccc(cc1)CC(C)C)C(=O)O
InChI
  • InChI=1S/C13H18O2/c1-9(2)8-11-4-6-12(7-5-11)10(3)13(14)15/h4-7,9-10H,8H2,1-3H3,(H,14,15)/t10-/m0/s1 Y
  • Key:HEFNNWSXXWATRW-JTQLQIEISA-N Y
  (verify)

It is the active dextrorotatory enantiomer of ibuprofen.[1] Most ibuprofen formulations contain a racemic mixture of both isomers.

Chemistry

Basically Dexibuprofen is a chiral switch of racemic ibuprofen. The chiral carbon in dexibuprofen is assigned an absolute configuration, (S), as per Cahn-Ingold-prelog rule.[2][3]

Pharmacology

Ibuprofen, is an α-arylpropionic acid, used largely in the treatment of rheumatoid arthritis and widely used over-the counter drug for headache and minor pains. This drug has a chiral center and exists as a pair of enantiomers. The (S)- ibuprofen, the eutomer, is responsible for the desired therapeutic effect. Interestingly, the inactive (R)-enantiomer, the distomer, undergoes a unidirectional chiral inversion to give the active (S)-enantiomer, the former acting as a pro-drug for the latter.[4][5][6][7][8] That is, when the ibuprofen is administered as a racemate the distomer is converted in vivo into the eutomer while the latter is unaffected. This chiral inversion may lead to accumulation of one of the enantiomers leading to toxicity. The risk of side-effect can be avoided by the use of pure (S)-enantiomer.[9]

See also

References
  1. Hardikar MS (September 2008). "Chiral non-steroidal anti-inflammatory drugs--a review". Journal of the Indian Medical Association. 106 (9): 615–8, 622, 624. PMID 19552094.
  2. Cahn, R. S.; Ingold, Christopher; Prelog, V. (1966). "Specification of Molecular Chirality". Angewandte Chemie International Edition in English. 5 (4): 385–415. doi:10.1002/anie.196603851. ISSN 0570-0833.
  3. Cahn, R. S.; Ingold, C. K.; Prelog, V. (1956). "The specification of asymmetric configuration in organic chemistry". Experientia. 12 (3): 81–94. doi:10.1007/bf02157171. ISSN 0014-4754.
  4. Caldwell J, Hutt AJ, Fournel-Gigleux S (January 1988). "The metabolic chiral inversion and dispositional enantioselectivity of the 2-arylpropionic acids and their biological consequences". Biochemical Pharmacology. 37 (1): 105–14. doi:10.1016/0006-2952(88)90762-9. PMID 3276314.
  5. Hutt AJ, Caldwell J (November 1983). "The metabolic chiral inversion of 2-arylpropionic acids--a novel route with pharmacological consequences". The Journal of Pharmacy and Pharmacology. 35 (11): 693–704. doi:10.1111/j.2042-7158.1983.tb02874.x. PMID 6139449.
  6. Adams SS, Bresloff P, Mason CG (March 1976). "Pharmacological differences between the optical isomers of ibuprofen: evidence for metabolic inversion of the (-)-isomer". The Journal of Pharmacy and Pharmacology. 28 (3): 256–7. doi:10.1111/j.2042-7158.1976.tb04144.x. PMID 6706.
  7. Hao H, Wang G, Sun J (2005). "Enantioselective pharmacokinetics of ibuprofen and involved mechanisms". Drug Metabolism Reviews. 37 (1): 215–34. doi:10.1081/dmr-200047999. PMID 15747501.
  8. Kannappan, Valliappan. "Dexibuprofen – Chiralpedia". Retrieved 2022-08-27.
  9. Simonyi M (1984). "On chiral drug action". Medicinal Research Reviews. 4 (3): 359–413. doi:10.1002/med.2610040304. PMID 6087043.
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