54920

(R)-3-Hydroxy-buttersäure

≥98.0% (T)

• Synonym(e): (3R)-3-Hydroxybutanoic acid, (3R)-Hydroxybutyrate, 3R-Hydroxybutanoic acid, D-β-Hydroxybutyrate
• Empirische Formel (Hill-System): C₄H₈O₃
• CAS-Nummer: 625-72-9
• Molekulargewicht: 104.10
• Beilstein: 1720568
• EG-Nummer: 210-909-6
• MDL-Nummer: MFCD00066257
• UNSPSC-Code: 51113400
• PubChem Substanz-ID: 57651489
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥98.0% (T)
• Form: solid
• Optische Aktivität: [α]20/D −25±1°, c = 6% in H₂O
• mp (Schmelzpunkt): 49-50 °C (lit.)
• Funktionelle Gruppe: carboxylic acid; hydroxyl
• Lagertemp.: 2-8°C
• SMILES String: C[C@@H](O)CC(O)=O
• InChI: 1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)/t3-/m1/s1
• InChIKey: WHBMMWSBFZVSSR-GSVOUGTGSA-N

Beschreibung

Anwendung

(R)-3-Hydroxybutyric acid may be used in the preparation of copolymers by reacting with various hydroxyalkanoic acids.1 It may also be used in the preparation of (3R,4R)-4-acetoxy-3-[(R)-1-(formyloxy)ethyl]-2-azetidinone.2

Sonstige Hinweise

Important chiral starting material; enantioselective reactions at the 2-, 3- and 4-positions via the cyclic acetal with aldehydes; preparation of (R)-β-butyrolactone.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves