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Ethyl Acetate → HCID 86677563, Verbindung

HRID 1027399
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1027399
[CH2:1]([O:3][C:4]([C:6]1([CH2:30][CH:31]=C)[CH2:11][CH2:10][CH:9]([O:12][Si:13]([C:26]([CH3:29])([CH3:28])[CH3:27])([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH2:8][CH2:7]1)=[O:5])C.C(OCC)(=[O:35])C>CC(O)C.O.O=[Os](=O)(=O)=O>[CH3:1][O:3][C:4]([C:6]1([CH2:30][CH:31]=[O:35])[CH2:7][CH2:8][CH:9]([O:12][Si:13]([C:26]([CH3:27])([CH3:28])[CH3:29])([C:14]2[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=2)[C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[CH2:10][CH2:11]1)=[O:5]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 2

HCID 8857Ethyl AcetateHCID 67478666HCID 67478666, Verbindung

Produkt 1

HCID 86677563HCID 86677563, VerbindungAusbeute 87 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 30318Osmium TetroxideKatalysatorHCID 962WaterLösungsmittel2×
HCID 3776
Isopropanol
Lösungsmittel

Versuchsvorschrift

1-Allyl-4-(tert-butyl-diphenyl-silanyloxy)-cyclohexanecarboxylic acid ethyl ester (5 g, 11.1 mmol) was dissolved in 2-propanol (100 mL) and water (50 mL). To this was added an aqueous solution of NaIO4 (5.94 g, 27.8 mmol) in water (50 mL), followed by addition of OsO4 (0.025 g, crystals, in one portion). The reaction mixture was allowed to stir for 16 hours at rt. The reaction mixture was poured into ice water (50 mL) and ethyl acetate (EtOAc) (60 mL). The layers were separated and the aqueous layer was extracted with EtOAc (3×50 mL). The combined organic layers were washed with brine, and concentrated to dryness. The resulting product was then purified over silica gel column eluting with ethyl acetate in heptanes (0-60%) to afford 4.45 g (87%) of the title compound.

Aufarbeitung

  1. customThe layers were separated
  2. extractionthe aqueous layer was extracted with EtOAc (3×50 mL)
  3. washThe combined organic layers were washed with brine
  4. concentrationconcentrated to dryness
  5. customThe resulting product was then purified over silica gel column
  6. washeluting with ethyl acetate in heptanes (0-60%)

Quellen und Nachweise

ORD-Eintrag
ord-77205faacc8646c8bcbbc197b5fd5064
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08735385B2

Notizen zur Reaktion

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