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

HRID 1771820
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1771820
[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]=[CH:6][C:7]=1[F:8].C([O-])([O-])=O.[Cs+].[Cs+].Br[CH2:35][C:36]([O:38][CH:39]([CH3:41])[CH3:40])=[O:37].O>CC(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]=[CH:6][C:7]=1[F:8]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 10796Cesium carbonateHCID 121593Isopropyl bromoacetateHCID 89444144HCID 89444144, Verbindung

Produkt 1

HCID 89444080Isopropyl 2-[3-[[5-(3,4-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenoxy]acetateAusbeute 82 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 180AcetoneLösungsmittel

Versuchsvorschrift

To a solution of 3-[[5-(3,4-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenol (70 mg, 0.19 mmol, 1.0 eq) in acetone (2 mL) was added Cs2CO3 (90 mg, 0.28 mmol, 1.5 eq) at room temperature. The reaction mixture was stirred for 10 min then isopropyl bromoacetate (40 mg, 0.22 mmol, 1.2 eq) was added. The reaction mixture was stirred at room temperature for a further 30 min then water was added and the aqueous layer was extracted with EtOAc. The combined organic extracts were washed with brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue was purified by column chromatography (petroleum ether:EtOAc, 100:0 to 20:1) to give the title compound as a colorless oil (73 mg, 82%).

Aufarbeitung

  1. stirringThe reaction mixture was stirred at room temperature for a further 30 min
  2. extractionthe aqueous layer was extracted with EtOAc
  3. washThe combined organic extracts were washed with brine
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. customThe residue was purified by column chromatography (petroleum ether:EtOAc, 100:0 to 20:1)

Quellen und Nachweise

ORD-Eintrag
ord-7757f67d57cd4d0cbd8f375cafd85de1
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09249085B2

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