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Hydrochloric Acid → 7-(4-ethoxy-3-fluorophenyl)-1-formyl-2,3-dihydro-1H-1-benzazepine-4-carboxylic acid

HRID 586874
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 586874
[CH2:1]([O:3][C:4]1[CH:9]=[CH:8][C:7]([C:10]2[CH:11]=[CH:12][C:13]3[N:19]([CH:20]=[O:21])[CH2:18][CH2:17][C:16]([C:22]([O:24]C)=[O:23])=[CH:15][C:14]=3[CH:26]=2)=[CH:6][C:5]=1[F:27])[CH3:2].[OH-].[Na+].Cl>C1COCC1.C(O)C>[CH2:1]([O:3][C:4]1[CH:9]=[CH:8][C:7]([C:10]2[CH:11]=[CH:12][C:13]3[N:19]([CH:20]=[O:21])[CH2:18][CH2:17][C:16]([C:22]([OH:24])=[O:23])=[CH:15][C:14]=3[CH:26]=2)=[CH:6][C:5]=1[F:27])[CH3:2]
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Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 22329092methyl 7-(4-ethoxy-3-fluorophenyl)-1-formyl-2,3-dihydro-1H-1-benzazepine-4-carboxylate

Produkt 1

HCID 223291977-(4-ethoxy-3-fluorophenyl)-1-formyl-2,3-dihydro-1H-1-benzazepine-4-carboxylic acidAusbeute 102,5 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702
Ethanol
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

In a mixture of THF and ethanol (1:1, v/v, 20.0 ml) was dissolved methyl 7-(4-ethoxy-3-fluorophenyl)-1-formyl-2,3-dihydro-1H-1-benzazepine-4-carboxylate (441 mg). To the solution was added 1N sodium hydroxide solution (12.0 ml), and the mixture was stirred at room temperature for 16 hours. The mixture was a little concentrated, and to the residue was added 1N hydrochloric acid to convert weakly acidic solution. The mixture was extracted with ethyl acetate, and the organic layer was washed with water and saturated brine, and dried with anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give crystals, which were washed with ethyl acetate/hexane to give 7-(4-ethoxy-3-fluorophenyl)-1-formyl-2,3-dihydro-1H-1-benzazepine-4-carboxylic acid (435 mg) as white crystals.

Aufarbeitung

  1. extractionThe mixture was extracted with ethyl acetate
  2. washthe organic layer was washed with water and saturated brine
  3. dry with materialdried with anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customto give crystals, which
  6. washwere washed with ethyl acetate/hexane

Quellen und Nachweise

ORD-Eintrag
ord-1969a0ec1d834aa893f57edfd1c32a12
Quelldatensatz
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06936602B1

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