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Hydrochloric Acid → 4-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-(2-fluorophenyl)piperidin-1-yl]-3,5-difluorobenzoic acid

HRID 1691760
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1691760
[C:1]([O:5][C:6]([N:8]([CH2:21][C@@H:22]1[C@@H:27]([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=2[F:34])[CH2:26][CH2:25][N:24]([C:35]2[C:44]([F:45])=[CH:43][C:38]([C:39]([O:41]C)=[O:40])=[CH:37][C:36]=2[F:46])[CH2:23]1)[C@@H:9]([C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:14]=[CH:13][CH:12]=1)[CH3:10])=[O:7])([CH3:4])([CH3:3])[CH3:2].[OH-].[Na+].Cl>C1COCC1.CO>[C:1]([O:5][C:6]([N:8]([CH2:21][CH:22]1[CH:27]([C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=2[F:34])[CH2:26][CH2:25][N:24]([C:35]2[C:44]([F:45])=[CH:43][C:38]([C:39]([OH:41])=[O:40])=[CH:37][C:36]=2[F:46])[CH2:23]1)[C@@H:9]([C:11]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[CH:14]=[CH:13][CH:12]=1)[CH3:10])=[O:7])([CH3:2])([CH3:3])[CH3:4]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 66906070HCID 66906070, Verbindung

Produkt 1

HCID 669064714-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-(2-fluorophenyl)piperidin-1-yl]-3,5-difluorobenzoic acidAusbeute 98,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 887
Methanol
Lösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

143 mg of methyl 4-[(3R,4S)-3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-(2-fluorophenyl)piperidin-1-yl]-3,5-difluorobenzoate was dissolved in 4.0 mL of THF-2.0 mL of methanol and added with 2.0 mL of a 1 M aqueous sodium hydroxide solution at room temperature. After stirring at room temperature for 3 days, it was neutralized by addition of 2.1 mL of 1 M hydrochloric acid. The reaction mixture was concentrated under reduced pressure, and then extracted with ethyl acetate, and the organic layer was dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (methanol-chloroform) to obtain 138 mg of 4-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-(2-fluorophenyl)piperidin-1-yl]-3,5-difluorobenzoic acid. ESI+: 619

Aufarbeitung

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. extractionextracted with ethyl acetate
  3. dry with materialthe organic layer was dried over anhydrous sodium sulfate
  4. filtrationAfter filtration
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customthe residue was purified by silica gel column chromatography (methanol-chloroform)

Quellen und Nachweise

ORD-Eintrag
ord-7a1752c74b93477da7eb8279ecac5a37
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08153658B2

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