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Hydrochloric Acid → 3-[4-({[4'-(2-Ethoxyethoxy)-2',3',5',6'-tetramethylbiphenyl-3-yl]methyl}amino)-2-fluorophenyl]propanoic acid hydrochloride

HRID 508086
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 508086
[CH2:1]([O:3][CH2:4][CH2:5][O:6][C:7]1[C:12]([CH3:13])=[C:11]([CH3:14])[C:10]([C:15]2[CH:20]=[CH:19][CH:18]=[C:17]([CH2:21][NH:22][C:23]3[CH:28]=[CH:27][C:26]([CH2:29][CH2:30][C:31]([O:33]CC)=[O:32])=[C:25]([F:36])[CH:24]=3)[CH:16]=2)=[C:9]([CH3:37])[C:8]=1[CH3:38])[CH3:2].[OH-].[Na+].[ClH:41].Cl.C(OCC)(=O)C>CO.O1CCCC1.C(OCC)(=O)C>[ClH:41].[CH2:1]([O:3][CH2:4][CH2:5][O:6][C:7]1[C:8]([CH3:38])=[C:9]([CH3:37])[C:10]([C:15]2[CH:20]=[CH:19][CH:18]=[C:17]([CH2:21][NH:22][C:23]3[CH:28]=[CH:27][C:26]([CH2:29][CH2:30][C:31]([OH:33])=[O:32])=[C:25]([F:36])[CH:24]=3)[CH:16]=2)=[C:11]([CH3:14])[C:12]=1[CH3:13])[CH3:2]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 21866389Hydrogen chloride-ethyl acetateHCID 23157425Ethyl 3-[4-({[4'-(2-ethoxyethoxy)-2',3',5',6'-tetramethylbiphenyl-3-yl]methyl}amino)-2-fluorophenyl]propanoate

Produkt 1

HCID 866243843-[4-({[4'-(2-Ethoxyethoxy)-2',3',5',6'-tetramethylbiphenyl-3-yl]methyl}amino)-2-fluorophenyl]propanoic acid hydrochloride
Ausbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 887MethanolLösungsmittelHCID 8028TetrahydrofuranLösungsmittelHCID 8857Ethyl AcetateLösungsmittel2×

Reaktionsbedingungen

Temperatur
50 °C

Versuchsvorschrift

To a solution of ethyl 3-[4-({[4′-(2-ethoxyethoxy)-2′,3′,5′,6′-tetramethylbiphenyl-3-yl]methyl}amino)-2-fluorophenyl]propanoate (0.40 g, 0.77 mmol) in a mixture of methanol (4.0 mL) and tetrahydrofuran (8.0 mL) was added 1 N aqueous sodium hydroxide solution (1.53 mL, 1.53 mmol), and the mixture was stirred at 50° C. for 2 hr. The reaction mixture was neutralized with 1 N hydrochloric acid, and diluted with ethyl acetate, and the organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate=4/1-hexane/ethyl acetate=1/2) to give a colorless oil. The obtained oil was dissolved in ethyl acetate, and 4 N hydrogen chloride/ethyl acetate solution was added. The precipitated crystals were collected by filtration, washed with ethyl acetate, and dried to give the title compound (0.28 g, yield 70%) as colorless crystals.

Aufarbeitung

  1. washthe organic layer was washed with water and saturated brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. concentrationconcentrated under reduced pressure
  4. customThe residue was purified by silica gel column chromatography (hexane/ethyl acetate=4/1-hexane/ethyl acetate=1/2)
  5. customto give a colorless oil
  6. filtrationThe precipitated crystals were collected by filtration
  7. washwashed with ethyl acetate
  8. customdried

Quellen und Nachweise

ORD-Eintrag
ord-ae289b50616a4614a7e800f14306ed35
Quelldatensatz
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07786165B2

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