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Potassium Carbonate → 3-[N-(4-chlorophenethyl)-N-methylamino)-1-cyano-1,1-diphenylpropane

HRID 1587881
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1587881
Br[CH2:2][CH2:3][C:4]([C:17]#[N:18])([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)[C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1.[CH3:19][NH:20][CH2:21][CH2:22][C:23]1[CH:28]=[CH:27][C:26]([Cl:29])=[CH:25][CH:24]=1.C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[Cl:29][C:26]1[CH:25]=[CH:24][C:23]([CH2:22][CH2:21][N:20]([CH2:2][CH2:3][C:4]([C:17]#[N:18])([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[C:5]2[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=2)[CH3:19])=[CH:28][CH:27]=1
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 965754-Bromo-2,2-diphenylbutyronitrileHCID 135897732-(4-Chlorophenyl)-N-methylethan-1-amine

Produkt 1

HCID 190884703-[N-(4-chlorophenethyl)-N-methylamino)-1-cyano-1,1-diphenylpropane

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

A mixture containing 3-bromo-1-cyano-1,1-diphenylpropane (0.9 g-see Preparation 4), N-methyl-4-chlorophenethylamine (0.51 g, see CA 61:15224h), anhydrous potassium carbonate (0.83 g) and acetonitrile (40 ml) was heated under reflux for 24 hours then partitioned between dichloromethane (50 ml) and water (50 ml). The dichloromethane layer was dried (Na2SO4) and concentrated in vacuo to give a gum which was purified by column chromatography on silica eluting with hexane containing dichloromethane (25% up to 40%) and then with dichloromethane containing methanol (0% up to 5%). The product-containing fractions were combined and concentrated in vacuo to give the title compound as a gum, yield, 0.25 g.

Aufarbeitung

  1. temperaturewas heated
  2. temperatureunder reflux for 24 hours
  3. customthen partitioned between dichloromethane (50 ml) and water (50 ml)
  4. dry with materialThe dichloromethane layer was dried (Na2SO4)
  5. concentrationconcentrated in vacuo
  6. customto give a gum which
  7. customwas purified by column chromatography on silica eluting with hexane
  8. additioncontaining dichloromethane (25% up to 40%)
  9. additionwith dichloromethane containing methanol (0% up to 5%)
  10. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-c126a35927884e198df42d01f8251239
Quelldatensatz
uspto-grants-1993_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05219871

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