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Potassium Carbonate → 6-(5-Phenyl-1,3,4-oxadiazol-2-yl)methoxy-2-piperidinomethyltetralin hydrochloride

HRID 382981
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 382981
[OH:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH2:8][CH:7]([CH2:12][N:13]1[CH2:18][CH2:17][CH2:16][CH2:15][CH2:14]1)[CH2:6][CH2:5]2.[Cl:19][CH2:20][C:21]1[O:22][C:23]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)=[N:24][N:25]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.O>[ClH:19].[C:26]1([C:23]2[O:22][C:21]([CH2:20][O:1][C:2]3[CH:3]=[C:4]4[C:9](=[CH:10][CH:11]=3)[CH2:8][CH:7]([CH2:12][N:13]3[CH2:18][CH2:17][CH2:16][CH2:15][CH2:14]3)[CH2:6][CH2:5]4)=[N:25][N:24]=2)[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=1
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Komponenten

6

Edukt 3

HCID 11430Potassium CarbonateHCID 3149412-(Chloromethyl)-5-phenyl-1,3,4-oxadiazoleHCID 219398616-Hydroxy-2-piperidinomethyltetralin

Produkt 1

HCID 229985536-(5-Phenyl-1,3,4-oxadiazol-2-yl)methoxy-2-piperidinomethyltetralin hydrochlorideAusbeute 69,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962Water
Lösungsmittel
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 6-hydroxy-2-piperidinomethyltetralin (141 mg, free form of Reference Example 19) and 2-chloromethyl-5-phenyl-1,3,4-oxadiazole (148 mg) in DMF (3 ml) was added potassium carbonate (143 mg) and the reaction mixture was stirred at room temperature for 24 hr. The reaction mixture was diluted with water and extracted with ethyl acetate. The organic layer was washed with water and saturated aqueous sodium chloride, dried, and concentrated. The residue was purified by silica gel column chromatography (eluent: ethyl acetate:methanol=10:1) and alumina column chromatography (eluent: ethyl acetate:hexane=1:4), and then converted into its hydrochloride, which was further recrystallized from methanol-diethyl ether to obtain the titled compound (175 mg).

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated aqueous sodium chloride
  3. customdried
  4. concentrationconcentrated
  5. customThe residue was purified by silica gel column chromatography (eluent: ethyl acetate:methanol=10:1) and alumina column chromatography (eluent: ethyl acetate:hexane=1:4)
  6. customwas further recrystallized from methanol-diethyl ether

Quellen und Nachweise

ORD-Eintrag
ord-ce53b8eaa9ab4dfe8a27a4ed5c5660c3
Quelldatensatz
uspto-grants-2001_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06310107B1

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