122068

trans-4-Methoxy-3-buten-2-on

technical grade, 90%

• Synonym(e): (E)-4-Methoxy-3-buten-2-one
• Lineare Formel: CH₃OCH=CHCOCH₃
• CAS-Nummer: 51731-17-0
• Molekulargewicht: 100.12
• Beilstein: 2070991
• EG-Nummer: 257-364-0
• MDL-Nummer: MFCD00008778
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24847477
• NACRES: NA.22

Eigenschaften

• Qualität: technical grade
• Qualitätsniveau: 100
• Assay: 90%
• Brechungsindex: n20/D 1.468 (lit.)
• bp: 200 °C (lit.)
• Dichte: 0.982 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: ether; ketone
• Lagertemp.: 2-8°C
• SMILES String: [H]\C(OC)=C(\[H])C(C)=O
• InChI: 1S/C5H8O2/c1-5(6)3-4-7-2/h3-4H,1-2H3/b4-3+
• InChIKey: VLLHEPHWWIDUSS-ONEGZZNKSA-N

Beschreibung

Allgemeine Beschreibung

trans-4-Methoxy-3-buten-2-one acts as substrate and undergoes zinc triflate-catalyzed Mukaiyama-Michael reaction with 3-TBSO-substituted vinyldiazoacetate to yield functionalized 3-keto-2-diazoalkanoates.

Anwendung

trans-4-Methoxy-3-buten-2-one was used as starting reagent for enantioselective total synthesis of (-)-epibatidine.

Sicherheitshinweise

• Lagerklassenschlüssel: 10 - Combustible liquids
• WGK: WGK 3
• Flammpunkt (°F): 145.4 °F - closed cup
• Flammpunkt (°C): 63 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter