4-Hydroxybenzaldehyde → 5-(4-Hydroxybenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

HRID 922267

Reaktionsgleichung

Reaktionsgleichung von HRID 922267
[OH:1][C:2]1[CH:9]=[CH:8][C:5]([CH:6]=O)=[CH:4][CH:3]=1.[CH3:10][C:11]1([CH3:19])[O:16][C:15](=[O:17])[CH2:14][C:13](=[O:18])[O:12]1>O>[OH:1][C:2]1[CH:9]=[CH:8][C:5]([CH:6]=[C:14]2[C:15](=[O:17])[O:16][C:11]([CH3:19])([CH3:10])[O:12][C:13]2=[O:18])=[CH:4][CH:3]=1

Komponenten

4

Edukt 2

HCID 1264-HydroxybenzaldehydeHCID 162492,2-Dimethyl-1,3-dioxane-4,6-dione

Produkt 1

HCID 3705415-(4-Hydroxybenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dioneAusbeute 83,74 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
75 °C

Versuchsvorschrift

To a 500 mL RB flask fitted with magnetic stirrer was charged with water (160 mL). To the stirred solvent was added 4-hydroxybenzaldehyde (25.0 g, 122.12 mmol) and 2,2-dimethyl-1,3-dioxane-4,6-dione (25.0 g), it was heated at 75° C. for 2 h. The RM was cooled to obtain the solid, filtered and was washed with water, then dried to obtain the product (34.0, yield: 83.74%).

Aufarbeitung

  1. customTo a 500 mL RB flask fitted with magnetic stirrer
  2. temperatureThe RM was cooled
  3. customto obtain the solid
  4. filtrationfiltered
  5. washwas washed with water
  6. customdried
  7. customto obtain the product (34.0, yield: 83.74%)

Quellen und Nachweise

ORD-Eintrag
ord-5f43363cbac149b6ae7eeb3af98e69e6
Quelldatensatz
uspto-grants-2016_03
Patentnummer
US09278915B2

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