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Sodium Carbonate → 4-dimethylamino-4-phenyl-1-[3-(2-triethylsilanyl-1H-indol-3-yl)propyl]cyclohexanol

HRID 2064516
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2064516
[CH3:1][N:2]([CH3:28])[C:3]1([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[CH2:8][CH2:7][C:6]([CH2:10][CH2:11][CH2:12][C:13]#[C:14][Si:15]([CH2:20][CH3:21])([CH2:18][CH3:19])[CH2:16][CH3:17])([OH:9])[CH2:5][CH2:4]1.I[NH:30][C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1.C(=O)([O-])[O-].[Na+].[Na+]>C(C1C=CC=C(C(C)C)C=1N1C=CN(C2C(C(C)C)=CC=CC=2C(C)C)C1=[Pd-2](Cl)C1C(Cl)=CC=CN=1)(C)C>[CH3:28][N:2]([CH3:1])[C:3]1([C:22]2[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=2)[CH2:8][CH2:7][C:6]([CH2:10][CH2:11][CH2:12][C:13]2[C:36]3[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=3)[NH:30][C:14]=2[Si:15]([CH2:20][CH3:21])([CH2:18][CH3:19])[CH2:16][CH3:17])([OH:9])[CH2:5][CH2:4]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 10340Sodium CarbonateHCID 18447960IodoanilineHCID 1317299894-Dimethylamino-4-phenyl-1-(5-triethylsilanyl-pent-4-inyl)cyclohexanol

Produkt 1

HCID 689168264-dimethylamino-4-phenyl-1-[3-(2-triethylsilanyl-1H-indol-3-yl)propyl]cyclohexanol

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 178439027
HCID 178439027, Verbindung
Katalysator

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of 4-dimethylamino-4-phenyl-1-(5-triethylsilanyl-pent-4-inyl)cyclohexanol (504 mg, 1.26 mmol), iodoaniline (331 mg, 1.51 mmol), [1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene]-(3-chloropyridyl)palladium(II)-chloride (PEPPSI, 171 mg, 0.25 mmol) and sodium carbonate (668 mg, 6.3 mmol) was evacuated for 30 min (oil pump). It was then flushed with argon and absolute N,N-dimethylformamide (5 mL, previously flushed for 1 h with argon) was added by syringe via a Schlenk tube. The mixture was stirred for 18 h at 100° C. and changed colour to dark brown during this. The reaction mixture was then concentrated to low volume in a vacuum, the residue taken up several times in toluol (3×10 mL) and concentrated to low volume again in each case, distributed between water and ethyl acetate (20 mL each) and the phases separated again. The aqueous phase was extracted with ethyl acetate (2×30 mL), the combined organic phases were washed with 1 M sodium thiosulphate solution (30 mL) and saturated sodium chloride solution (50 mL), dried with sodium sulphate and concentrated to low volume in a vacuum. The raw product (750 mg) was purified by means of flash chromatography (38 g, 20×2.5 cm) with chloroform/methanol (97:3). The mixed fractions (489 mg) obtained were purified once again by means of MPLC [LiChroprep Si60 (15-25 μm), 130 g, 46×2.6 cm] also with chloroform/methanol (97:3).

Aufarbeitung

  1. customwas evacuated for 30 min (oil pump)
  2. customIt was then flushed with argon and absolute N,N-dimethylformamide (5 mL
  3. custompreviously flushed for 1 h with argon)
  4. additionwas added by syringe via a Schlenk tube
  5. concentrationThe reaction mixture was then concentrated to low volume in a vacuum
  6. concentrationconcentrated to low volume again in each case
  7. customthe phases separated again
  8. extractionThe aqueous phase was extracted with ethyl acetate (2×30 mL)
  9. washthe combined organic phases were washed with 1 M sodium thiosulphate solution (30 mL) and saturated sodium chloride solution (50 mL)
  10. dry with materialdried with sodium sulphate
  11. concentrationconcentrated to low volume in a vacuum
  12. customThe raw product (750 mg) was purified by means of flash chromatography (38 g, 20×2.5 cm) with chloroform/methanol (97:3)
  13. customThe mixed fractions (489 mg) obtained
  14. customwere purified once again by means of MPLC [LiChroprep Si60 (15-25 μm), 130 g, 46×2.6 cm] also with chloroform/methanol (97:3)

Quellen und Nachweise

ORD-Eintrag
ord-76c944f6d7c343cbbaf67407ba17b96c
Quelldatensatz
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08288430B2

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