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

HRID 1691691
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Reaktionsgleichung

Reaktionsgleichung von HRID 1691691
[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][CH:29]=2)[CH2:26][CH2:25][N:24]([C:34]2[C:43]([F:44])=[CH:42][C:37]([C:38]([O:40]C)=[O:39])=[CH:36][C:35]=2[F:45])[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].C1COCC1.[OH-].[Na+].Cl>CO>[C:1]([O:5][C:6]([N:8]([CH2:21][CH:22]1[CH:27]([C:28]2[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=2)[CH2:26][CH2:25][N:24]([C:34]2[C:43]([F:44])=[CH:42][C:37]([C:38]([OH:40])=[O:39])=[CH:36][C:35]=2[F:45])[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]
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Komponenten

6

Edukt 4

HCID 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 66906171methyl 4-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpiperidin-1-yl]-3,5-difluorobenzoate

Produkt 1

HCID 669059254-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpiperidin-1-yl]-3,5-difluorobenzoic acid
Ausbeute 96,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

To 122 mg of methyl 4-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpiperidin-1-yl]-3,5-difluorobenzoate were added 2.0 mL of THF, 2.0 mL of methanol, and 1.0 mL of a 1 M aqueous sodium hydroxide solution, followed by stirring at room temperature overnight. It was neutralized by addition of 1.1 mL of 1 M hydrochloric acid, 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 (chloroform-methanol) to obtain 115 mg of 4-[3-({(tert-butoxycarbonyl)[(1R)-1-(1-naphthyl)ethyl]amino}methyl)-4-phenylpiperidin-1-yl]-3,5-difluorobenzoic acid as a pale yellow oily substance. ESI+: 601

Aufarbeitung

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

Quellen und Nachweise

ORD-Eintrag
ord-545d8fd6309448429e20b9b2301d0b37
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08153658B2

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