Diisopropylethylamine → 5-chloro-6-(2,4,6-trifluorophenyl)-N-[(1S)-2,2,2-trifluoro-1-methylethyl][1,2,4]triazolo[1,5-a]pyrimidin-7-amine

HRID 1786291

Reaktionsgleichung

Reaktionsgleichung von HRID 1786291
[Cl:1][C:2]1[C:7]([C:8]2[C:13]([F:14])=[CH:12][C:11]([F:15])=[CH:10][C:9]=2[F:16])=[C:6](Cl)[N:5]2[N:18]=[CH:19][N:20]=[C:4]2[N:3]=1.Cl.[F:22][C:23]([F:28])([F:27])[C@@H:24]([NH2:26])[CH3:25].C(N(CC)C(C)C)(C)C>CN(C)C=O.C(OCC)(=O)C>[Cl:1][C:2]1[C:7]([C:8]2[C:13]([F:14])=[CH:12][C:11]([F:15])=[CH:10][C:9]=2[F:16])=[C:6]([NH:26][C@@H:24]([CH3:25])[C:23]([F:28])([F:27])[F:22])[N:5]2[N:18]=[CH:19][N:20]=[C:4]2[N:3]=1

Komponenten

6

Edukt 3

HCID 81531DiisopropylethylamineHCID 110453875,7-Dichloro-6-(2,4,6-trifluorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidineHCID 130939192-Propanamine, 1,1,1-trifluoro-, hydrochloride (1:1), (2S)-

Produkt 1

HCID 119750435-chloro-6-(2,4,6-trifluorophenyl)-N-[(1S)-2,2,2-trifluoro-1-methylethyl][1,2,4]triazolo[1,5-a]pyrimidin-7-amineAusbeute 95,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

A mixture of 5,7-dichloro-6-(2,4,6-trifluorophenyl)[1,2,4]triazolo[1,5-a]pyrimidine (3.0 g, 9.4 mmol), (1S)-2,2,2-trifluoro-1-methylethylamine hydrogen chloride (4.2 g, 28.2 mmol), and N,N-diisopropylethylamine (4.9 mL, 28.2 mmol) in 100 mL of N,N-dimethylformamide is stirred at room temperature under nitrogen atmosphere for 13 h. The reaction mixture is diluted with ethyl acetate. The organic layer is washed with 1 N hydrochloric acid (2×) and saturated sodium chloride (2×), dried over magnesium sulfate, and concentrated to a residue. The residue is chromatographed over silica gel, eluting with 20% ethyl acetate in hexanes. Concentration provides 5-chloro-6-(2,4,6-trifluorophenyl)-N-[(1S)-2,2,2-trifluoro-1-methylethyl][1,2,4]triazolo[1,5-a]pyrimidin-7-amine as a light yellow solid (3.56 g). MS: m/z 396.0 (M+H).

Aufarbeitung

  1. washThe organic layer is washed with 1 N hydrochloric acid (2×) and saturated sodium chloride (2×)
  2. dry with materialdried over magnesium sulfate
  3. concentrationconcentrated to a residue
  4. customThe residue is chromatographed over silica gel
  5. washeluting with 20% ethyl acetate in hexanes
  6. concentrationConcentration

Quellen und Nachweise

ORD-Eintrag
ord-7891fb96a57840c0b1b30def96b4804c
Quelldatensatz
uspto-grants-2009_03
Patentnummer
US07507739B2

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