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Potassium Carbonate → 3-[4-(2-Benzyloxy-4-ethyl-phenoxy)-3-fluoro-phenylamino]-propan-1-ol

HRID 1023946
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1023946
[CH2:1]([O:8][C:9]1[CH:23]=[C:22]([CH2:24][CH3:25])[CH:21]=[CH:20][C:10]=1[O:11][C:12]1[CH:18]=[CH:17][C:15]([NH2:16])=[CH:14][C:13]=1[F:19])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C([O-])([O-])=O.[K+].[K+].Br[CH2:33][CH2:34][CH2:35][OH:36]>CN(C=O)C>[CH2:1]([O:8][C:9]1[CH:23]=[C:22]([CH2:24][CH3:25])[CH:21]=[CH:20][C:10]=1[O:11][C:12]1[CH:18]=[CH:17][C:15]([NH:16][CH2:33][CH2:34][CH2:35][OH:36])=[CH:14][C:13]=1[F:19])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 123083-Bromo-1-propanolHCID 591912224-(2-Benzyloxy-4-ethylphenoxy)-3-fluoroaniline

Produkt 1

HCID 591912673-[4-(2-Benzyloxy-4-ethyl-phenoxy)-3-fluoro-phenylamino]-propan-1-olAusbeute 68,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

4-[2-(benzyloxy)-4-ethylphenoxy]-3-fluoroaniline (500 mg, 1.48 mmol), K2CO3 (1.23 g, 8.9 mmol) and 3-bromo-1-propanol (410 mg, 2.9 mmol) were taken in dry DMF (2 ml) in a microwave vial and was subjected to microwave at 180° C. for 2 h. The reaction mixture was filtered over celite and the residue washed thouroughly with ethyl acetate. The combined organic fractions including the filtrate were washed with water, brine, dried over Na2SO4 and concentrated. The crude obtained was combined with earlier crude products obtained from a 100 mg and 200 mg batches and purified together by column chromatography over silica gel using 40% ethylacetate in pet ether as eluant to get 400 mg (42.6%) of pure title compound.

Aufarbeitung

  1. filtrationThe reaction mixture was filtered over celite
  2. washthe residue washed thouroughly with ethyl acetate
  3. washwere washed with water, brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated
  6. customThe crude obtained
  7. customobtained from a 100 mg and 200 mg batches
  8. custompurified together by column chromatography over silica gel using 40% ethylacetate in pet ether as eluant

Quellen und Nachweise

ORD-Eintrag
ord-e11b7143bad0444d9093299b5edb752f
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08722746B2

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