Methanol → Methyl 4-chloroacetoacetate

HRID 434558Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 434558
Cl[C:2]1([CH2:7][Cl:8])[O:5][C:4](=[O:6])[CH2:3]1.[CH3:9][OH:10]>C(=O)(O)[O-].[Na+]>[CH3:9][O:10][C:4](=[O:6])[CH2:3][C:2]([CH2:7][Cl:8])=[O:5]

Komponenten

4

Versuchsvorschrift

7.8 Parts of 4-chloro-4-chloromethyloxetan-2-one are dissolved in 200 parts of methanol containing 4.2 parts of anhydrous sodium bicarbonate. After stirring for 20 hours at room temperature, the solids are filtered off, the filtrate is evaporated and the residue distilled to give methyl-γ-chloroacetoacetate, b.p. 48°-50° C./0.8 mb.

Aufarbeitung

  1. filtrationthe solids are filtered off
  2. customthe filtrate is evaporated
  3. distillationthe residue distilled

Quellen und Nachweise

ORD-Eintrag
ord-d07232691b404028acd22943814a09f4
Quelldatensatz
uspto-grants-1983_08
Patentnummer
US04398033

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