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Water → ethyl 3-[4-({4-[(3,5-di-tert-butyl-1H-pyrazol-1-yl)methyl]benzyl}oxy)-2-fluorophenyl]propanoate

HRID 2110907
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2110907
[C:1]([C:5]1[CH:9]=[C:8]([C:10]([CH3:13])([CH3:12])[CH3:11])[NH:7][N:6]=1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Cl[CH2:17][C:18]1[CH:39]=[CH:38][C:21]([CH2:22][O:23][C:24]2[CH:29]=[CH:28][C:27]([CH2:30][CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33])=[C:26]([F:37])[CH:25]=2)=[CH:20][CH:19]=1.O>CN(C)C=O>[C:1]([C:5]1[CH:9]=[C:8]([C:10]([CH3:13])([CH3:12])[CH3:11])[N:7]([CH2:17][C:18]2[CH:19]=[CH:20][C:21]([CH2:22][O:23][C:24]3[CH:29]=[CH:28][C:27]([CH2:30][CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33])=[C:26]([F:37])[CH:25]=3)=[CH:38][CH:39]=2)[N:6]=1)([CH3:4])([CH3:3])[CH3:2]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 1369123,5-Di-t-butylpyrazoleHCID 23143241Ethyl 3-(4-([4-(chloromethyl)benzyl]oxy}-2-fluorophenyl)propanoate

Produkt 1

HCID 23159844ethyl 3-[4-({4-[(3,5-di-tert-butyl-1H-pyrazol-1-yl)methyl]benzyl}oxy)-2-fluorophenyl]propanoateAusbeute 57 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 3,5-di-tert-butyl-1H-pyrazole (0.50 g, 2.8 mmol) in N,N-dimethylformamide (10 mL) was added sodium hydride (60% in oil, 0.13 g, 3.3 mmol) under ice-cooling and the mixture was stirred for 20 min. Then ethyl 3-(4-{[4-(chloromethyl)benzyl]oxy}-2-fluorophenyl)propanoate (0.98 g, 2.8 mmol) was added, and the mixture was stirred at room temperature for 3 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract washed with aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (ethyl acetate:hexane=1:4) to give the title compound (0.73 g, yield 57%) as colorless crystals. melting point 73-74° C.

Aufarbeitung

  1. temperaturecooling
  2. stirringthe mixture was stirred at room temperature for 3 hr
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe extract washed with aqueous sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-70dd65184a374d6cbf57f1ca1e088d5c
Quelldatensatz
uspto-grants-2009_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07517910B2

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