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1,4-Dioxane → (S)-1-(3-(4,6-dimethylquinolin-2-ylamino)pyrrolidin-1-yl)-2-(4-trifluoromethoxyphenyl)ethanone

HRID 1666619
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1666619
Cl[C:2]1[CH:11]=[C:10]([CH3:12])[C:9]2[C:4](=[CH:5][CH:6]=[C:7]([CH3:13])[CH:8]=2)[N:3]=1.Cl.[NH2:15][C@H:16]1[CH2:20][CH2:19][N:18]([C:21](=[O:34])[CH2:22][C:23]2[CH:28]=[CH:27][C:26]([O:29][C:30]([F:33])([F:32])[F:31])=[CH:25][CH:24]=2)[CH2:17]1.O1CCOCC1.CC(C)([O-])C.[Na+]>C(OCC)(=O)C.O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH3:12][C:10]1[C:9]2[C:4](=[CH:5][CH:6]=[C:7]([CH3:13])[CH:8]=2)[N:3]=[C:2]([NH:15][C@H:16]2[CH2:20][CH2:19][N:18]([C:21](=[O:34])[CH2:22][C:23]3[CH:24]=[CH:25][C:26]([O:29][C:30]([F:31])([F:32])[F:33])=[CH:27][CH:28]=3)[CH2:17]2)[CH:11]=1
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Komponenten

8

Edukt 4

HCID 312751,4-DioxaneHCID 6057692-Chloro-4,6-dimethylquinolineHCID 23676156Sodium t-butoxideHCID 86636479(S)-1-(3-aminopyrrolidin-1-yl)-2-(4-trifluoromethoxyphenyl)ethanone mono hydrochloride

Produkt 1

HCID 57970107(S)-1-(3-(4,6-dimethylquinolin-2-ylamino)pyrrolidin-1-yl)-2-(4-trifluoromethoxyphenyl)ethanoneAusbeute 64,8 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 9811564Bis(dibenzylideneacetone)palladiumKatalysatorHCID 962WaterLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

To a mixture of 2-chloro-4,6-dimethylquinoline (0.20 g), Pd2(dba)3 (0.048 g), (±)-BINAP (0.10 g), (S)-1-(3-aminopyrrolidin-1-yl)-2-(4-trifluoromethoxyphenyl)ethanone mono hydrochloride (0.75 g), and 1,4-dioxane (8 mL) was added sodium t-butoxide (0.45 g) under nitrogen atmosphere, and the mixture was stirred at 70° C. for 2 h. The reaction mixture was diluted with ethyl acetate and water, then the interlayer was removed by Celite filtration, and the organic layer was washed with saturated brine. The organic layer was dried with anhydrous magnesium sulfate, then the desiccant was removed by filtration, the filtrate was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (silica gel, chloroform/methanol, and NH silica gel, ethyl acetate) to obtain colorless amorphous (S)-1-(3-(4,6-dimethylquinolin-2-ylamino)pyrrolidin-1-yl)-2-(4-trifluoromethoxyphenyl)ethanone (0.30 g).

Aufarbeitung

  1. customthe interlayer was removed by Celite filtration
  2. washthe organic layer was washed with saturated brine
  3. dry with materialThe organic layer was dried with anhydrous magnesium sulfate
  4. customthe desiccant was removed by filtration
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customthe residue was purified by silica gel column chromatography (silica gel, chloroform/methanol, and NH silica gel, ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-5b126a486c4c452cad024b96b448d7a2
Quelldatensatz
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08044068B2

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