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Water → HCID 68780226, Verbindung

HRID 2263298
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2263298
Br[C:2]1[S:3][CH:4]=[C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[C:9]([C:13]([F:16])([F:15])[F:14])[CH:8]=2)[N:6]=1.[N:17]1([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:22][CH2:21][NH:20][CH2:19][CH2:18]1.C(=O)([O-])[O-].[K+].[K+].O>CN(C)C=O>[F:14][C:13]([F:16])([F:15])[C:9]1[CH:8]=[C:7]([C:5]2[N:6]=[C:2]([N:20]3[CH2:19][CH2:18][N:17]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:22][CH2:21]3)[S:3][CH:4]=2)[CH:12]=[CH:11][CH:10]=1
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Komponenten

6

Edukt 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 143452tert-Butyl piperazine-1-carboxylateHCID 469119962-Bromo-4-(3-(trifluoromethyl)phenyl)thiazole

Produkt 1

HCID 68780226HCID 68780226, VerbindungAusbeute 47,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

A solution of 2-bromo-4-[3-(trifluoromethyl)phenyl]-1,3-thiazole (2.88 g, 9.35 mmol), tert-butyl piperazine-1-carboxylate (3.48 g, 18.7 mmol) and potassium carbonate (1.29 g, 9.35 mmol) in dimethylformamide (30 ml) was stirred at 120° C. for 12 hours. Water was poured to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with water, and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=9:1) to give 1.85 g (47.9%) of the desired product as an oil.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with water
  3. dry with materialdried over anhydrous magnesium sulfate
  4. distillationthe solvent was distilled off under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (hexane:ethyl acetate=9:1)

Quellen und Nachweise

ORD-Eintrag
ord-8d214bc4367747eb99cf7477d51716c2
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07851473B2

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