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Cesium carbonate → Isopropyl 2-[3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenoxy]acetate

HRID 1771825
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1771825
[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([CH3:27])[C:12]([CH3:26])=[C:13]([CH2:15][NH:16][C:17]3[C:18]([F:25])=[C:19]([OH:24])[CH:20]=[CH:21][C:22]=3[F:23])[CH:14]=2)[CH:5]=[C:6]([F:8])[CH:7]=1.C([O-])([O-])=O.[Cs+].[Cs+].Br[CH2:35][C:36]([O:38][CH:39]([CH3:41])[CH3:40])=[O:37]>CN(C=O)C.O>[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([CH3:27])[C:12]([CH3:26])=[C:13]([CH2:15][NH:16][C:17]3[C:18]([F:25])=[C:19]([CH:20]=[CH:21][C:22]=3[F:23])[O:24][CH2:35][C:36]([O:38][CH:39]([CH3:41])[CH3:40])=[O:37])[CH:14]=2)[CH:5]=[C:6]([F:8])[CH:7]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 10796Cesium carbonateHCID 121593Isopropyl bromoacetateHCID 894437053-[[5-(3,5-Difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenol

Produkt 1

HCID 89445489Isopropyl 2-[3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenoxy]acetateAusbeute 96,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Lösungsmittel
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenol (20 mg, 0.05 mmol, 1.0 eq) in DMF (3 mL) was added Cs2CO3 (26 mg, 0.075 mmol, 1.5 eq). The mixture was stirred at room temperature for 30 min then isopropyl bromoacetate (11 mg, 0.06 mmol, 1.2 eq) was added. The reaction mixture was stirred at room temperature for a further 1 h then diluted with water and extracted with EtOAc. The combined organic extracts were washed with water and brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue was purified by column chromatography (petroleum ether:EtOAc, 30:1) to give the title compound as a colorless oil (23 mg, 92%).

Aufarbeitung

  1. stirringThe reaction mixture was stirred at room temperature for a further 1 h
  2. extractionextracted with EtOAc
  3. washThe combined organic extracts were washed with water and brine
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. customThe residue was purified by column chromatography (petroleum ether:EtOAc, 30:1)

Quellen und Nachweise

ORD-Eintrag
ord-033f2d46289c4bea890211ba8791080c
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09249085B2

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