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Acetone → Methyl 5-(4-(difluoromethoxy)benzyl)-2-formyl-3,4-dimethylbenzoate

HRID 629447
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 629447
[F:1][CH:2]([F:25])[O:3][C:4]1[CH:24]=[CH:23][C:7]([CH2:8][C:9]2[C:10]([CH3:22])=[C:11]([CH3:21])[C:12]([CH:19]=C)=[C:13]([CH:18]=2)[C:14]([O:16][CH3:17])=[O:15])=[CH:6][CH:5]=1.CC(C)=[O:28].C(#N)C.I([O-])(=O)(=O)=O.[Na+]>[Os]=O.O>[F:25][CH:2]([F:1])[O:3][C:4]1[CH:5]=[CH:6][C:7]([CH2:8][C:9]2[C:10]([CH3:22])=[C:11]([CH3:21])[C:12]([CH:19]=[O:28])=[C:13]([CH:18]=2)[C:14]([O:16][CH3:17])=[O:15])=[CH:23][CH:24]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 180AcetoneHCID 6342AcetonitrileHCID 23667635Sodium periodateHCID 118468320Methyl 5-(4-(difluoromethoxy)benzyl)-3,4-dimethyl-2-vinylbenzoate

Produkt 1

HCID 118468382Methyl 5-(4-(difluoromethoxy)benzyl)-2-formyl-3,4-dimethylbenzoate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 142273
Oxoosmium
Katalysator
2×
HCID 962WaterLösungsmittel

Versuchsvorschrift

To a solution of methyl 5-(4-(difluoromethoxy)benzyl)-3,4-dimethyl-2-vinylbenzoate (0.16 g) in a mixed solvent of acetone (3.00 mL)-acetonitrile (3.00 mL)-water (3.00 mL) were added osmium oxide (fixed catalyst I) (0.06 g) and sodium periodate (0.49 g), and the mixture was stirred overnight at room temperature. The reaction mixture was filtered, and the filtrate was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, and dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (0.04 g).

Aufarbeitung

  1. filtrationThe reaction mixture was filtered
  2. extractionthe filtrate was extracted with ethyl acetate
  3. washThe organic layer was washed with water and saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-81e282fbce6441f194b36ee011138656
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09315458B2

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