Bromine → 3-Bromo-1,1-dimethoxypropan-2-one

HRID 457393

Reaktionsgleichung

Reaktionsgleichung von HRID 457393
[Br:1]Br.[CH3:3][O:4][CH:5]([O:9][CH3:10])[C:6](=[O:8])[CH3:7]>CO>[Br:1][CH2:7][C:6](=[O:8])[CH:5]([O:9][CH3:10])[O:4][CH3:3]

Komponenten

4

Edukt 2

HCID 24408BromineHCID 80650Pyruvic aldehyde dimethyl acetal

Produkt 1

HCID 120035673-Bromo-1,1-dimethoxypropan-2-one

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

Bromine (80 g, 0.5 mol) is added dropwise to a solution of 1,1-dimethoxy-propan-2-one 205 (59 g, 0.5 mol) in anhydrous methanol (400 mL) at 0° C. and the solution is continued stirring at room temperature for 48 h. The solvent is removed under reduced pressure and the residue is dried in vacuo and used without further purification.

Aufarbeitung

  1. customThe solvent is removed under reduced pressure
  2. customthe residue is dried in vacuo
  3. customused without further purification

Quellen und Nachweise

ORD-Eintrag
ord-189330a0d2cb478a9470be0fe0c6286d
Quelldatensatz
uspto-grants-2007_03
Patentnummer
US07186734B2

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