Reaktion #833510

ord-2262e4da654c4dfa925ae01a12cfcfdc

Reaktionsgleichung

COc1cc(C=O)ccc1O
Vanillin
C=CCBr
allyl bromide
O=C([O-])[O-].[K+].[K+]
potassium carbonate
C=CCOc1ccc(C=O)cc1OC
3-methoxy-4-(2-propenyloxy)benzaldehyde

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    TemperaturAfter cooling
  2. 2
    Filtrationthe solid was filtered off
  3. 3
    Waschenwashed with acetone
  4. 4
    SonstigeA yellow oil was obtained
  5. 5
    Einengenafter a thorough concentration of the organic phases

Vorschrift

Vanillin (20.0 g, 0.130 mol) and allyl bromide (19.9 g, 0.160 mol) were heated under reflux together with potassium carbonate (27.3 g, 0.200 mol) in 150 ml acetone (abs.) for 8 hours. After cooling, the solid was filtered off and washed with acetone. A yellow oil was obtained after a thorough concentration of the organic phases.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07393367B2uspto-grants-2008_07