Reaktion #955904

Reaktionsgleichung

nitric acid

1-(1′-hydroxyoctadecyloxy)-2,3-dioctadecyloxybenzene

→

3-(1′-hydroxyoctadecyloxy)-4,5-dioctadecyloxy nitrobenzene

Ausbeute 76.2%

Lösungsmittel

dichloromethane

dichloromethane

Reaktionsbedingungen

Aufarbeitung

1. 1
   workup.ADDITIONDispersed
2. 2
   workup.ADDITIONwas added
3. 3
   workup.ADDITIONInto the resulting dispersion, added
4. 4
   Filtrationsilica gel was filtered off
5. 5
   EinengenAfter the filtrate was concentrated under reduced pressure, 300 ml of methanol
6. 6
   workup.ADDITIONwas added
7. 7
   workup.STIRRINGstirred
8. 8
   SonstigeResulting precipitant
9. 9
   Filtrationwas filtered off

Vorschrift

Dispersed was 63 g of silica gel into 21 g of nitric acid and 150 ml of dichloromethane was added. Into the resulting dispersion, added was a solution dissolving 5.0 g of 1-(1′-hydroxyoctadecyloxy)-2,3-dioctadecyloxybenzene in 30 ml of dichloromethane. After stirring for 15 minutes, silica gel was filtered off. After the filtrate was concentrated under reduced pressure, 300 ml of methanol was added and stirred. Resulting precipitant was filtered off to obtain 4.0 g of 3-(1′-hydroxyoctadecyloxy)-4,5-dioctadecyloxy nitrobenzene (yield: 76%).

Quelle