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Potassium Carbonate → 1-(4-Nitro-2,3,5,6-tetrafluorophenoxy)-3-(prop-2-enyloxy)-4-nitro-2,5,6-trifluorobenzene

HRID 430052
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 430052
[CH2:1]([O:4][C:5]1[C:6]([F:17])=[C:7]([OH:16])[C:8]([F:15])=[C:9]([F:14])[C:10]=1[N+:11]([O-:13])=[O:12])[CH:2]=[CH2:3].[F:18][C:19]1[C:24]([N+:25]([O-:27])=[O:26])=[C:23]([F:28])[C:22]([F:29])=[C:21](F)[C:20]=1[F:31].C(=O)([O-])[O-].[K+].[K+]>C1(=O)OCCC1>[N+:25]([C:24]1[C:23]([F:28])=[C:22]([F:29])[C:21]([O:16][C:7]2[C:8]([F:15])=[C:9]([F:14])[C:10]([N+:11]([O-:13])=[O:12])=[C:5]([O:4][CH2:1][CH:2]=[CH2:3])[C:6]=2[F:17])=[C:20]([F:31])[C:19]=1[F:18])([O-:27])=[O:26]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 70154PentafluoronitrobenzeneHCID 183538423-(Prop-2-enyloxy)-4-nitro-2,5,6-trifluorophenol

Produkt 1

HCID 183538381-(4-Nitro-2,3,5,6-tetrafluorophenoxy)-3-(prop-2-enyloxy)-4-nitro-2,5,6-trifluorobenzene

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7302Gamma-Butyrolactone
Lösungsmittel

Versuchsvorschrift

24.9 g of 3-(prop-2-enyloxy)-4-nitro-2,5,6-trifluorophenol prepared as described in Example 6 (0.1 mol) and 21.3 g of pentafluoronitrobenzene (0.1 mol) are dissolved in 300 ml of γ-butyrolactone in a three-neck flask fitted with stirrer. 30 g of potassium carbonate (0.22 mol) are then added in portions, and the mixture is stirred at room temperature for 24 hours. The reaction solution is then filtered via a fluted filter, and the crude product is extracted by shaking with 200 ml of ethyl acetate and 300 ml of water. The organic phase is washed three times with water, dried over sodium sulfate and evaporated to half in a rotary evaporator. The precipitated crude product is then recrystallized from a mixture of methylene chloride and petrol ether (volume ratio 1:1) and then dried for 48 hours under nitrogen at 40° C./10 mbar in a vacuum drying cabinet.

Aufarbeitung

  1. customfitted with stirrer
  2. filtrationThe reaction solution is then filtered via
  3. filtrationa fluted filter
  4. extractionthe crude product is extracted
  5. stirringby shaking with 200 ml of ethyl acetate and 300 ml of water
  6. washThe organic phase is washed three times with water
  7. dry with materialdried over sodium sulfate
  8. customevaporated to half in a rotary evaporator
  9. customThe precipitated crude product
  10. customis then recrystallized from a mixture of methylene chloride and petrol ether (volume ratio 1:1)
  11. customdried for 48 hours under nitrogen at 40° C./10 mbar in a vacuum
  12. customdrying cabinet

Quellen und Nachweise

ORD-Eintrag
ord-eb2af523c51045de8ebb774ae64d6b4b
Quelldatensatz
uspto-grants-2001_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06320081B1

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