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Dimethylformamide → 4'-{[3-(3,3-dimethyl-2-oxobutyl)-6-ethyl-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile

HRID 1889390
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1889390
[CH2:1]([C:3]1[S:28][C:6]2[N:7]([CH2:13][C:14]3[CH:19]=[CH:18][C:17]([C:20]4[C:21]([C:26]#[N:27])=[CH:22][CH:23]=[CH:24][CH:25]=4)=[CH:16][CH:15]=3)[C:8](=[O:12])[NH:9][C:10](=[O:11])[C:5]=2[CH:4]=1)[CH3:2].Br[CH2:30][C:31](=[O:36])[C:32]([CH3:35])([CH3:34])[CH3:33].CN(C)C=O.[H-].[Na+]>O.C(OCC)(=O)C>[CH3:33][C:32]([CH3:35])([CH3:34])[C:31](=[O:36])[CH2:30][N:9]1[C:10](=[O:11])[C:5]2[CH:4]=[C:3]([CH2:1][CH3:2])[S:28][C:6]=2[N:7]([CH2:13][C:14]2[CH:19]=[CH:18][C:17]([C:20]3[C:21]([C:26]#[N:27])=[CH:22][CH:23]=[CH:24][CH:25]=3)=[CH:16][CH:15]=2)[C:8]1=[O:12]
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Komponenten

7

Edukt 4

HCID 6228DimethylformamideHCID 21642BromopinacoloneHCID 24758Sodium hydrideHCID 593517704'-[(6-ethyl-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl)methyl]biphenyl-2-carbonitrile

Produkt 1

HCID 593516294'-{[3-(3,3-dimethyl-2-oxobutyl)-6-ethyl-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile
Ausbeute 61 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a mixture of 4′-[(6-ethyl-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl)methyl]biphenyl-2-carbonitrile (1.0 g), 1-bromo-3,3-dimethylbutan-2-one (0.52 mL) and N,N-dimethylformamide (8 mL) was added 60% sodium hydride (0.16 g), and the mixture was stirred at room temperature for 24 hr. To the reaction mixture was added ethyl acetate and water, and the mixture was extracted with ethyl acetate. The organic layer was successively washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography to give the title compound as a pale-yellow amorphous solid (0.76 g, 61%).

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was successively washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customThe obtained residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-52e91fb5f5034b76a62711fd764d5937
Quelldatensatz
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08501750B2

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