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Dicyclohexylcarbodiimide → 4-Undecanoyloxybenzoic acid

HRID 247790
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 247790
[C:1]([O:12][C:13]1[CH:43]=[CH:42][C:16]([C:17]([O:19]C2C=CC(C(OC(CCCCCCCC)C(F)(F)F)=O)=CC=2)=[O:18])=[CH:15][CH:14]=1)(=[O:11])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH3:10].O[C:45]1C=CC(C(OC(CCCCCCCC)C(F)(F)F)=O)=CC=1.C1(N=C=NC2CCCCC2)CCCCC1.CN(C1C=CC=CN=1)C>O1CCCC1>[C:1]([O:12][C:13]1[CH:14]=[CH:15][C:16]([C:17]([OH:19])=[O:18])=[CH:42][CH:43]=1)(=[O:11])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH3:45]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 10868DicyclohexylcarbodiimideHCID 218852-DimethylaminopyridineHCID 147457541,1,1-Trifluoro-2-decyl 4-hydroxybenzoateHCID 190139204-(1,1,1-Trifluoro-2-decyloxycarbonyl)phenyl 4-n-decanoyloxybenzoate

Produkt 1

HCID 154568744-Undecanoyloxybenzoic acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

To a solution of the 4-undecanoyloxybenzoic acid )0.3 g) obtained in (1) above and the 1,1,1-trifluoro-2-decyl-4-hydroxybenzoate (0.3 g) obtained in Example 12, (2) in tetrahydrofuran (about 30 ml) were added dicyclohexylcarbodiimide (0.25 g) and dimethylaminopyridine (0.01 g). The mixture was stirred at room temperature for about 20 hours. The solution was distilled to remove the solvent and the residue was dissolved in dichloromethane and washed with water. The organic layer was dried over anhydrous magnesium sulfate and was distilled to remove the solvent. The residue was purified by silica-gel column chromatography (developer : hexane/ethyl acetate=20/1) to obtain the titled compound (0.21 g).

Aufarbeitung

  1. distillationThe solution was distilled
  2. customto remove the solvent
  3. dissolutionthe residue was dissolved in dichloromethane
  4. washwashed with water
  5. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  6. distillationwas distilled
  7. customto remove the solvent
  8. customThe residue was purified by silica-gel column chromatography (developer : hexane/ethyl acetate=20/1)

Quellen und Nachweise

ORD-Eintrag
ord-d4f4dcd3467640efad5080b248df6aa7
Quelldatensatz
uspto-grants-1993_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05207947

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