Methanol → Methyl 4-chloroacetoacetate

HRID 2418482

Reaktionsgleichung

Reaktionsgleichung von HRID 2418482
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-f4d83ff76a0c47e19a5a0dcaca20dabd
Quelldatensatz
uspto-grants-1984_09
Patentnummer
US04472589

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