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Water → tert-Butyl(+/-)-cyclopentyl{4-[(4-fluoro-1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-phenyl}acetate

HRID 877245
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 877245
[F:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][NH:5][C:6]2=[O:11].[H-].[Na+].Br[CH2:15][C:16]1[CH:21]=[CH:20][C:19]([CH:22]([CH:30]2[CH2:34][CH2:33][CH2:32][CH2:31]2)[C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])=[CH:18][CH:17]=1.O>CN(C=O)C.C(OCC)(=O)C>[CH:30]1([CH:22]([C:19]2[CH:20]=[CH:21][C:16]([CH2:15][N:5]3[CH2:4][C:3]4[C:7](=[CH:8][CH:9]=[CH:10][C:2]=4[F:1])[C:6]3=[O:11])=[CH:17][CH:18]=2)[C:23]([O:25][C:26]([CH3:27])([CH3:29])[CH3:28])=[O:24])[CH2:34][CH2:33][CH2:32][CH2:31]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 15225592tert-Butyl 2-(4-(bromomethyl)phenyl)-2-cyclopentylacetateHCID 220646804-fluoro-2,3-dihydro-1H-isoindol-1-one

Produkt 1

HCID 58136532tert-Butyl(+/-)-cyclopentyl{4-[(4-fluoro-1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-phenyl}acetate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

At 0° C., 280 mg (1.85 mmol) of 4-fluoro-2,3-dihydro-1H-isoindol-1-one were added to a suspension of 96.3 mg (2.41 mmol, 60% pure) of sodium hydride in 1 ml of DMF. The mixture was stirred for 30 min, and 654.5 mg (1.85 mmol) of tert-butyl(+/−)-[4-(bromomethyl)phenyl](cyclopentyl)acetate were then added at 0° C. Stirring was continued for a further 2 h, and water and ethyl acetate were then added to the reaction mixture. The organic phase was washed with saturated sodium chloride solution and dried over magnesium sulfate. The crude product was purified by chromatography on silica gel (mobile phase cyclohexane/ethyl acetate 6:1 to 5:1). This gave 394 mg (50.2% of theory) of the target compound.

Aufarbeitung

  1. stirringStirring
  2. waitwas continued for a further 2 h
  3. washThe organic phase was washed with saturated sodium chloride solution
  4. dry with materialdried over magnesium sulfate
  5. customThe crude product was purified by chromatography on silica gel (mobile phase cyclohexane/ethyl acetate 6:1 to 5:1)

Quellen und Nachweise

ORD-Eintrag
ord-05d27f7765fb473687a9154853034bf8
Quelldatensatz
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08987256B2

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