Reaktion #215708

ord-917b62b121f94340b17bb350d6760aee

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    workup.ADDITIONare added dropwise
  2. 2
    FiltrationThe precipitate is filtered off with suction
  3. 3
    Waschenwashed with petroleum ether
  4. 4
    Sonstigedried in air

Vorschrift

37.1 g (0.1 mol) of ethyl 2-(2,5-dichloro-3,4,6-trifluorobenzoyl)-3-ethoxyacrylate are initially introduced into the reaction vessel in 100 ml of ethanol. 6.8 g (0.12 mol) of cyclopropylamine, dissolved in 10 ml of ethanol, are added dropwise. The mixture is then stirred at room temperature for 4 hours. The precipitate is filtered off with suction, washed with petroleum ether and dried in air.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05464796uspto-grants-1995_11