713309

2-Oxo-buttersäure-methylester

95%

• Synonym(e): Methyl-2-Oxobutanoat, Methyl-2-keto-butyrat
• Empirische Formel (Hill-System): C₅H₈O₃
• CAS-Nummer: 3952-66-7
• Molekulargewicht: 116.12
• Beilstein: 1749847
• MDL-Nummer: MFCD03093092
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 329763189
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥95.0% (GC); 95%
• Form: liquid
• Verunreinigungen: ≤1.0% water
• Funktionelle Gruppe: ester; ketone
• SMILES String: CCC(=O)C(=O)OC
• InChI: 1S/C5H8O3/c1-3-4(6)5(7)8-2/h3H2,1-2H3
• InChIKey: XPIWVCAMONZQCP-UHFFFAOYSA-N

Beschreibung

Anwendung

Methyl 2-oxobutanoate can be used as a starting material:

• To synthesize indole derivatives via Fischer indolization of arylhydrazines using propylphosphonic anhydride.
• In the synthesis of (−)-picrotoxinin, a natural product and neurotoxic sesquiterpenoid.
• To prepare the core structure of phalarine, a natural product found in perennial grass.

Sicherheitshinweise

• Piktogramme: GHS02,GHS05
• Signalwort: Danger
• H-Sätze: H226,H315,H318
• P-Sätze: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 122.0 °F
• Flammpunkt (°C): 50 °C
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter