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Water → methyl 4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indole-1-carboxylate

HRID 552858
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 552858
[F:1][C:2]([F:31])([F:30])[C:3]1[CH:4]=[C:5]([C:16]2[O:20][N:19]=[C:18]([C:21]3[CH:29]=[CH:28][CH:27]=[C:26]4[C:22]=3[CH:23]=[CH:24][NH:25]4)[N:17]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:15])[C:11]([F:14])([F:13])[F:12].[H-].[Na+].[C:34](=[O:37])(O)[OH:35].[CH3:38]Cl.O>CN(C=O)C>[F:31][C:2]([F:1])([F:30])[C:3]1[CH:4]=[C:5]([C:16]2[O:20][N:19]=[C:18]([C:21]3[CH:29]=[CH:28][CH:27]=[C:26]4[C:22]=3[CH:23]=[CH:24][N:25]4[C:34]([O:35][CH3:38])=[O:37])[N:17]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:15])[C:11]([F:12])([F:13])[F:14]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 592141764-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indoleHCID 86628811Methyl chloride carbonate

Produkt 1

HCID 59214238methyl 4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indole-1-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

4-{5-[3-(Trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indole (100 mg) was dissolved in DMF (1.0 ml), followed by addition of 60% NaH (10.9 mg) at 0° C., and stirring at room temperature for 0.5 hour. Methyl chloride carbonate (26.3 μl) was added thereto at 0° C., followed by stirring at room temperature for 3 hours. To the reaction solution was added water (30 ml), followed by extraction three times with EtOAc (20 ml), the organic layer was combined, washed with saturated brine, dried over anhydrous MgSO4, and then filtered, and the filtrate was concentrated. The residue was purified by silica gel column chromatography (automatic purifier, chloroform:CH3OH=100:0 to 98:2) to obtain methyl 4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indole-1-carboxylate (98.6 mg) as a white solid.

Aufarbeitung

  1. customat 0° C.
  2. stirringby stirring at room temperature for 3 hours
  3. extractionfollowed by extraction three times with EtOAc (20 ml)
  4. washwashed with saturated brine
  5. dry with materialdried over anhydrous MgSO4
  6. filtrationfiltered
  7. concentrationthe filtrate was concentrated
  8. customThe residue was purified by silica gel column chromatography (automatic purifier, chloroform:CH3OH=100:0 to 98:2)

Quellen und Nachweise

ORD-Eintrag
ord-a0972cf86a7846ed8d5aa615dc6ae735
Quelldatensatz
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07951825B2

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