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Dimethylformamide → 3-(4-Benzyloxy-2-methoxy-methoxyphenyl)propionamide

HRID 853946
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 853946
[H-].[Na+].[CH2:3]([O:10][C:11]1[CH:16]=[CH:15][C:14]([CH2:17][CH2:18][C:19]([NH2:21])=[O:20])=[C:13]([OH:22])[CH:12]=1)[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.[CH3:23][O:24]CCl.[CH3:27]N(C)C=O>>[CH2:3]([O:10][C:11]1[CH:16]=[CH:15][C:14]([CH2:17][CH2:18][C:19]([NH2:21])=[O:20])=[C:13]([O:22][CH3:27])[C:12]=1[O:24][CH3:23])[C:4]1[CH:5]=[CH:6][CH:7]=[CH:8][CH:9]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 4

HCID 6228DimethylformamideHCID 7864Chloromethyl Methyl EtherHCID 24758Sodium hydrideHCID 178562633-(4-Benzyloxy-2-hydroxyphenyl)propionamide

Produkt 1

HCID 688429553-(4-Benzyloxy-2-methoxy-methoxyphenyl)propionamide

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

To a stirred suspension of 5.64 g of 60% sodium hydride in oil in 628 mL of N,N-dimethylformamide was added 34.8 g of 3-(4-benzyloxy-2-hydroxyphenyl)propionamide under ice-cooling, and the mixture was stirred at 50° C. for 40 minutes. To the reaction mixture was added 12.39 g of chloromethyl methyl ether under ice-cooling, and the mixture was stirred at room temperature for 15 hours. After the reaction mixture was concentrated under reduced pressure to remove the solvent, the residue was poured into a mixture of 500 mL of ethyl acetate, 100 mL of toluene and 200 mL of water. The organic layer was separated, washed with water, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under reduced pressure to give a colorless solid. The solid was triturated in ethyl acetate-diisopropyl ether and collected by filtration to give 35.3 g of 3-(4-benzyloxy-2-methoxy-methoxyphenyl)propionamide as a colorless solid.

Aufarbeitung

  1. temperaturecooling
  2. temperaturecooling
  3. stirringthe mixture was stirred at room temperature for 15 hours
  4. concentrationAfter the reaction mixture was concentrated under reduced pressure
  5. customto remove the solvent
  6. additionthe residue was poured into a mixture of 500 mL of ethyl acetate, 100 mL of toluene and 200 mL of water
  7. customThe organic layer was separated
  8. washwashed with water
  9. dry with materialdried over anhydrous magnesium sulfate
  10. filtrationfiltered
  11. concentrationThe filtrate was concentrated under reduced pressure
  12. customto give a colorless solid
  13. customThe solid was triturated in ethyl acetate-diisopropyl ether
  14. filtrationcollected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-4558cedf0ada42e991a9bea050bb4140
Quelldatensatz
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07256215B2

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