(R)-(-)-IBUPROFEN

Gefahreninformationscode (GHS)

• Bildanzeige (GHS)

  

• Alarmwort

  Warnung

• Gefahrenhinweise

  H302：Gesundheitsschädlich bei Verschlucken.

  H315：Verursacht Hautreizungen.

  H319：Verursacht schwere Augenreizung.

  H335：Kann die Atemwege reizen.

• Sicherheit

  P261：Einatmen von Staub vermeiden.

  P305+P351+P338：BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.

(R)-(-)-IBUPROFEN Chemische Eigenschaften,Einsatz,Produktion Methoden

• Beschreibung

  Ibuprofen is a non-steroidal anti-inflammatory drug with diverse biochemical actions, most notably inhibiting COX-1 and COX-2 (IC₅₀s = 2.6 and 1.53 μM, respectively). It is commonly synthesized as a racemic mixture of (S) and (R) isomers (Item No. item 70280). (R)-Ibuprofen is an enantiomer that is generally not considered a COX inhibitor and is instead thought to be involved in pathways of lipid metabolism as it is incorporated into triglycerides along with fatty acids. The (R) enantiomer can, however, inhibit NF-κB activation (IC₅₀ = 121.8 μM) in response to T-cell stimulation as well as block superoxide formation, β-glucuronidase release, and LTB₄ generation by stimulated neutrophils (IC₅₀ values range from 40-100 μM). 50-60% of (R)-ibuprofen is inverted to (S)-ibuprofen in humans after oral administration.

• Chemische Eigenschaften

  White Crystalline Solid

• Verwenden

  A nonsteroidal anti-inflammatory drug (NSAID); activity resides primarily in the (S)-isomer.

• Definition

  ChEBI: Levibuprofen is an ibuprofen. It is an enantiomer of a dexibuprofen.

• läuterung methode

  Crystallise the (+) and (-) acids from EtOH or aqueous EtOH. The racemate which crystallises from pet ether with m 75-77o is sparingly soluble in H2O and has IR (film) 1705 (C=O), 2300—3700 (OH broad)cm-1. It is used as a non-steroidal anti-inflammatory. [Shiori et al. J Org Chem 43 2936 1978, Kaiser et al. J Pharm Sci 65 269 1976, J Pharm Sci 81 221 1992, Freer Acta Cryst (C) 49 1378 1993 for the (S+)-enantiomer.]

(R)-(-)-IBUPROFEN Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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