Reaktion #46157

ord-d083df6e630e4365a26adb042fc2f702

Lösungsmittel

Reaktionsbedingungen

Temperatur
0°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    ExtraktionThe reaction mixture was extracted with sodium bicarbonate and ethyl acetate
  2. 2
    Sonstigethe organic layer was separated
  3. 3
    Trocknendried over anhydrous magnesium sulfate

Vorschrift

Piperonyl alcohol (10 g, 65.7 mmol) was dissolved in benzene. Triethylamine (11 ml, 78.8 mmol) and thionyl chloride (11 ml, 131.4 mmol) were added dropwise thereto and was stirred for 24 hours at 0° C. The reaction mixture was extracted with sodium bicarbonate and ethyl acetate, the organic layer was separated, and dried over anhydrous magnesium sulfate to obtain 5-chloromethyl benzo[1,3]dioxol (11.2 g, yield 100%).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07741323B2uspto-grants-2010_06