218456

Ethyl-3-methyl-2-oxobutyrat

97%

• Synonym(e): Dimethylbrenztraubensäure-ethylester, Ketovalin-ethylester
• Lineare Formel: (CH₃)₂CHCOCOOCH₂CH₃
• CAS-Nummer: 20201-24-5
• Molekulargewicht: 144.17
• Beilstein: 1756668
• EG-Nummer: 243-587-0
• MDL-Nummer: MFCD00009122
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24853067
• NACRES: NA.22

Eigenschaften

• Assay: 97%
• Brechungsindex: n20/D 1.410 (lit.)
• bp: 62 °C/11 mmHg (lit.)
• Dichte: 0.989 g/mL at 25 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: CCOC(=O)C(=O)C(C)C
• InChI: 1S/C7H12O3/c1-4-10-7(9)6(8)5(2)3/h5H,4H2,1-3H3
• InChIKey: CKTYYUQUWFEUCO-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Ethyl 3-methyl-2-oxobutyrate reacts with a variety of allyl halides in the presence of indium to afford hydroxy unsaturated carbonyl compounds. Conformational behaviour of ethyl 3-methyl-2-oxobutyrate was investigated using solution FTIR in combination with ab initio calculations.

Anwendung

Ethyl 3-methyl-2-oxobutyrate was used in the synthesis of (2SR,4SR)-5(S)-(N-Boc)-amino-6-cyclohexyl-4-hydoxy-2-isopropyl hexanoic acid.

Sicherheitshinweise

• Piktogramme: GHS02
• Signalwort: Warning
• H-Sätze: H226
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P243
• Gefahreneinstufungen: Flam. Liq. 3
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 109.4 °F - closed cup
• Flammpunkt (°C): 43 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter