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Potassium Carbonate → Methyl 7-(4-morpholinophenyl)-2,3-dihydro-1-benzothiepine-4-carboxylate

HRID 1388009
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1388009
Br[C:2]1[CH:3]=[CH:4][C:5]2[S:11][CH2:10][CH2:9][C:8]([C:12]([O:14][CH3:15])=[O:13])=[CH:7][C:6]=2[CH:16]=1.B([O-])([O-])O[C:19]1[CH:24]=[CH:23][C:22]([N:25]2[CH2:30][CH2:29][O:28][CH2:27][CH2:26]2)=[CH:21][CH:20]=1.C(=O)([O-])[O-].[K+].[K+]>C1(C)C=CC=CC=1.C(O)C.O>[O:28]1[CH2:29][CH2:30][N:25]([C:22]2[CH:23]=[CH:24][C:19]([C:2]3[CH:3]=[CH:4][C:5]4[S:11][CH2:10][CH2:9][C:8]([C:12]([O:14][CH3:15])=[O:13])=[CH:7][C:6]=4[CH:16]=3)=[CH:20][CH:21]=2)[CH2:26][CH2:27]1
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 18472606HCID 18472606, VerbindungHCID 867561794-Morpholinophenyl borate

Produkt 1

HCID 18472523Methyl 7-(4-morpholinophenyl)-2,3-dihydro-1-benzothiepine-4-carboxylateAusbeute 74,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 86587398Ethanol toluene water
Lösungsmittel

Versuchsvorschrift

Under argon atmosphere, a mixture of methyl 7-bromo-2,3-dihydro-1-benzothiepine-4-carboxylate (0.70 g), 4-morpholinophenyl borate (581.3 mg) and potassium carbonate (0.65 g) in toluene/ethanol/water (20/2/2 ml) was stirred at room temperature for 1 hour. To the mixture was added tetrakistriphenylphosphine palladium (0.14 g), and the mixture was refluxed for 20 hours and then cooled. The mixture was extracted with ethyl acetate, washed with saturated brine and dried with magnesium sulfate. Under reduced pressure, the mixture was concentrated, and the residue was purified with column chromatography (ethyl acetate/dichloromethane=1:4) to give yellow crystals of methyl 7-(4-morpholinophenyl)-2,3-dihydro-1-benzo-thiepine-4-carboxylate (664.4 mg).

Aufarbeitung

  1. temperaturethe mixture was refluxed for 20 hours
  2. temperaturecooled
  3. extractionThe mixture was extracted with ethyl acetate
  4. washwashed with saturated brine
  5. dry with materialdried with magnesium sulfate
  6. concentrationUnder reduced pressure, the mixture was concentrated
  7. customthe residue was purified with column chromatography (ethyl acetate/dichloromethane=1:4)

Quellen und Nachweise

ORD-Eintrag
ord-92a892c6979146329ca9aac1c3b63113
Quelldatensatz
uspto-grants-2001_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06268354B1

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