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Sodium Carbonate → N-(2,6-difluoro-3-hydroxy-phenyl)-5-(3-fluorophenyl)-2,3-dimethyl-benzamide

HRID 1771703
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1771703
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:9]=[C:10]([CH3:18])[C:11]([CH3:17])=[C:12]([CH:16]=2)[C:13]([OH:15])=O)[CH:5]=[CH:6][CH:7]=1.C(Cl)(C(Cl)=O)=O.[NH2:25][C:26]1[C:27]([F:34])=[C:28]([OH:33])[CH:29]=[CH:30][C:31]=1[F:32].C([O-])([O-])=O.[Na+].[Na+]>C(Cl)Cl.C1COCC1.CCOC(C)=O.O.CN(C=O)C>[F:34][C:27]1[C:28]([OH:33])=[CH:29][CH:30]=[C:31]([F:32])[C:26]=1[NH:25][C:13](=[O:15])[C:12]1[CH:16]=[C:8]([C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=2)[CH:9]=[C:10]([CH3:18])[C:11]=1[CH3:17]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

10

Edukt 4

HCID 10340Sodium CarbonateHCID 65578Oxalyl chlorideHCID 227559833-Amino-2,4-difluorophenolHCID 894435205-(3-Fluorophenyl)-2,3-dimethyl-benzoic acid

Produkt 1

HCID 89443837N-(2,6-difluoro-3-hydroxy-phenyl)-5-(3-fluorophenyl)-2,3-dimethyl-benzamideAusbeute 15,7 %

Reagenzien, Katalysatoren, Lösungsmittel 5

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittelHCID 6344DichloromethaneLösungsmittelHCID 8028TetrahydrofuranLösungsmittel2×HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a solution of 5-(3-fluorophenyl)-2,3-dimethyl-benzoic acid (3.82 g, 15.6 mmol, 5.8 eq) in DCM (30 mL) was added (COCl)2 (5.96 g, 46.8 mmol, 17.0 eq) and DMF (0.5 mL). The mixture was stirred at room temperature under N2 for 2 h then the solvent removed in vacuo. The residue obtained was dissolved in THF (10 mL) and added to a mixture of 3-amino-2,4-difluoro-phenol (intermediate X(a)) (0.4 g, 2.75 mmol, 1.0 eq) and Na2CO3 (0.87 g, 8.26 mmol, 3.0 eq) in THF. The reaction was stirred at room temperature overnight then water and EtOAc were added. The organic extract was washed with water, dried (Na2SO4), filtered and evaporated in vacuo. The residue obtained was purified by column chromatography (DCM:MeOH, 0:1 to 1:50) to give the title compound as a solid (0.16 g, 15%).

Aufarbeitung

  1. customthe solvent removed in vacuo
  2. customThe residue obtained
  3. stirringThe reaction was stirred at room temperature overnight
  4. extractionThe organic extract
  5. washwas washed with water
  6. dry with materialdried (Na2SO4)
  7. filtrationfiltered
  8. customevaporated in vacuo
  9. customThe residue obtained
  10. customwas purified by column chromatography (DCM:MeOH, 0:1 to 1:50)

Quellen und Nachweise

ORD-Eintrag
ord-a528e0cb9a0944e5babf0e96d91e3ea1
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09249085B2

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