Phloroglucinol → 2,4-Dimethyl-1,3,5-benzenetriol

HRID 980312

Reaktionsgleichung

Reaktionsgleichung von HRID 980312
[C:1]1([CH:9]=[C:7]([OH:8])[CH:6]=[C:4]([OH:5])[CH:3]=1)O.CN(C)[CH:12]=[O:13].P(Cl)(Cl)(Cl)=O.O1CCOC[CH2:21]1>>[OH:8][C:7]1[C:6]([CH3:21])=[C:4]([OH:5])[CH:3]=[C:12]([OH:13])[C:9]=1[CH3:1]

Komponenten

5

Edukt 4

HCID 359PhloroglucinolHCID 6228DimethylformamideHCID 24813Phosphorus oxychlorideHCID 312751,4-Dioxane

Produkt 1

HCID 782142,4-Dimethyl-1,3,5-benzenetriol

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

0.6 kg of phloroglucinol is dissolved in 1.4 liters of dioxan and a mixture containing 0.8 liters of N,N-dimethylformamide and 0.96 liters of phosphorus oxychloride is added slowly and with vigorous stirring. The addition of the reagent having been completed, the reaction is maintained at 40° C. for 12 hours containing the stirring and then the whole is poured over 10 kg of crushed ice.

Aufarbeitung

  1. additionis added slowly and with vigorous stirring
  2. additionThe addition of the reagent
  3. additioncontaining the stirring and then the whole

Quellen und Nachweise

ORD-Eintrag
ord-95c952b9479f46159281fca5ca64d23e
Quelldatensatz
uspto-grants-1987_01
Patentnummer
US04636569

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