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3,4,5-Trifluoroaniline → Ethyl 3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-[(3,4,5-trifluorophenyl)amino]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

HRID 71204
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 71204
[F:1][C:2]1[CH:3]=[C:4]([CH:6]=[C:7]([F:10])[C:8]=1[F:9])[NH2:5].Cl[C:12]1([C:35]([O:37][CH2:38][CH3:39])=[O:36])[CH2:17][CH2:16][CH2:15][N:14]2[C:18]([C:21]3[CH:26]=[CH:25][C:24]([C:27]4[O:31][C:30]([CH3:32])=[N:29][CH:28]=4)=[C:23]([O:33][CH3:34])[CH:22]=3)=[N:19][N:20]=[C:13]12>C(=O)([O-])O.[Na+]>[CH3:34][O:33][C:23]1[CH:22]=[C:21]([C:18]2[N:14]3[CH2:15][CH2:16][CH2:17][C:12]([NH:5][C:4]4[CH:3]=[C:2]([F:1])[C:8]([F:9])=[C:7]([F:10])[CH:6]=4)([C:35]([O:37][CH2:38][CH3:39])=[O:36])[C:13]3=[N:20][N:19]=2)[CH:26]=[CH:25][C:24]=1[C:27]1[O:31][C:30]([CH3:32])=[N:29][CH:28]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 27249913,4,5-TrifluoroanilineHCID 66604255Ethyl 8-chloro-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

Produkt 1

HCID 66608898Ethyl 3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-8-[(3,4,5-trifluorophenyl)amino]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylateAusbeute 56,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 516892
Sodium Bicarbonate
Lösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

To 3,4,5-trifluoroaniline (2.1 g) was added ethyl 8-chloro-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate (1 g) at room temperature, and the mixture was stirred at 100° C. overnight under a nitrogen atmosphere. The reaction mixture was diluted with saturated aqueous sodium hydrogen carbonate solution, and the mixture was extracted with ethyl acetate. The organic layer was separated, washed with water and saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane) to give the title compound (719 mg).

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. customThe organic layer was separated
  3. washwashed with water and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-d9a02d6ad4d946b7846ae8d7abb40f30
Quelldatensatz
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08822699B2

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