Water → 3-Chloro-2,4-dimethoxybenzaldehyde

HRID 568674Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 568674
[CH3:1][O:2][C:3]1[CH:10]=[CH:9][CH:8]=[C:5]([O:6][CH3:7])[C:4]=1[Cl:11].[CH3:12][O:13]C(Cl)Cl.O>C(Cl)Cl.Cl[Ti](Cl)(Cl)Cl>[Cl:11][C:4]1[C:3]([O:2][CH3:1])=[C:10]([CH:9]=[CH:8][C:5]=1[O:6][CH3:7])[CH:12]=[O:13]

Komponenten

6

Versuchsvorschrift

2-chlororesorcinol dimethyl ether (3.4 g) is dissolved in 20 ml of CH2Cl2 and TiCl4 (4.3 ml) is added. To this solution is added dichloromethyl methyl ether (2.3 g). After 30 minutes the reaction mixture is poured into H2O and extracted with ether. Drying and evaporation gives 3-chloro-2,4-dimethoxybenzaldehyde, mp 107°-108° C.

Aufarbeitung

  1. extractionextracted with ether
  2. customDrying
  3. customevaporation

Quellen und Nachweise

ORD-Eintrag
ord-bb754afce9a54c8ebd5bde9bc76de249
Quelldatensatz
uspto-grants-1988_03
Patentnummer
US04728662

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