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

HRID 1771836
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1771836
[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[CH:4][C:3]=1[CH2:15][NH:16][C:17]1[C:18]([F:25])=[C:19]([OH:24])[CH:20]=[CH:21][C:22]=1[F:23].C([O-])([O-])=O.[Cs+].[Cs+].Br[CH2:33][C:34]([O:36][CH:37]([CH3:39])[CH3:38])=[O:35].O>CC(C)=O>[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[CH:4][C:3]=1[CH2:15][NH:16][C:17]1[C:18]([F:25])=[C:19]([CH:20]=[CH:21][C:22]=1[F:23])[O:24][CH2:33][C:34]([O:36][CH:37]([CH3:39])[CH3:38])=[O:35]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 10796Cesium carbonateHCID 121593Isopropyl bromoacetateHCID 894440953-[(2,3-Dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenol

Produkt 1

HCID 89444175Isopropyl 2-[3-[(2,3-dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenoxy]acetateAusbeute 75 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 180AcetoneLösungsmittel

Versuchsvorschrift

To a solution of 3-[(2,3-dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenol (120 mg, 0.4 mmol, 1.0 eq) in acetone (4 mL) was added Cs2CO3 (173 mg, 0.5 mmol, 1.5 eq) and the reaction was stirred at room temperature for 30 min. Isopropyl bromoacetate (76 mg, 0.42 mmol, 1.2 eq) was added and the reaction was stirred at room temperature for 1 h. Water was added and the aqueous layer was extracted with EtOAc. The combined organic extracts were washed with water and brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue obtained was purified by column chromatography (petroleum ether:EtOAc, 20:1) to give the title compound as a colorless oil (117 mg, 75%).

Aufarbeitung

  1. stirringthe reaction was stirred at room temperature for 1 h
  2. extractionthe aqueous layer was extracted 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 obtained
  8. customwas purified by column chromatography (petroleum ether:EtOAc, 20:1)

Quellen und Nachweise

ORD-Eintrag
ord-21450982ae7440f08eff5801cf4ff20a
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09249085B2

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