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Methanol → 1-[5-(3-fluoropyridin-4-yl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl]-N-methylmethanamine Fumarate

HRID 2070530
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2070530
[F:1][C:2]1[CH:3]=[N:4][CH:5]=[CH:6][C:7]=1[C:8]1[N:12]([S:13]([C:16]2[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=2)(=[O:15])=[O:14])[CH:11]=[C:10]([CH2:22][N:23](C)[C:24](=O)[O:25][C:26]([CH3:29])(C)C)[CH:9]=1.[C:32]([O:35]CC)(=[O:34])[CH3:33].Cl.C[OH:40]>>[C:26]([OH:25])(=[O:40])/[CH:29]=[CH:33]/[C:32]([OH:35])=[O:34].[F:1][C:2]1[CH:3]=[N:4][CH:5]=[CH:6][C:7]=1[C:8]1[N:12]([S:13]([C:16]2[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=2)(=[O:15])=[O:14])[CH:11]=[C:10]([CH2:22][NH:23][CH3:24])[CH:9]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 3

HCID 887MethanolHCID 21866389Hydrogen chloride-ethyl acetateHCID 66974615tert-butyl {[5-(3-fluoropyridin-4-yl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl]methyl}methylcarbamate

Produkt 1

HCID 669747671-[5-(3-fluoropyridin-4-yl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl]-N-methylmethanamine FumarateAusbeute 72 %

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

tert-Butyl {[5-(3-fluoropyridin-4-yl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl]methyl}methylcarbamate (60 mg) was dissolved in methanol (5 mL), a 4 mol/L hydrogen chloride-ethyl acetate solution (1.5 mL) was added and the mixture was stirred at 70° C. for 30 min. The reaction mixture was concentrated under reduced pressure and a saturated aqueous sodium hydrogencarbonate solution was added. The mixture was extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was dissolved in ethyl acetate (8 mL), a solution of fumaric acid (58 mg) in methanol (2 mL) was added, and the obtained crystals were collected by filtration to give the title compound as colorless crystals (yield 45 mg, 72%).

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. additiona saturated aqueous sodium hydrogencarbonate solution was added
  3. extractionThe mixture was extracted with ethyl acetate
  4. washThe extract was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. dissolutionThe residue was dissolved in ethyl acetate (8 mL)
  8. additiona solution of fumaric acid (58 mg) in methanol (2 mL) was added
  9. filtrationthe obtained crystals were collected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-8942e2a7f5e3493eb5a6a3d42fcec836
Quelldatensatz
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08299261B2

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