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Aminopyrazine → N2-((1S)-1-(4-Fluorophenyl)ethyl)-4-(1-methyl-1H-pyrazol-4-yl)-N6-2-pyrazinyl-2,6-pyridinediamine

HRID 1187674
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1187674
Cl[C:2]1[N:7]=[C:6]([NH:8][C@H:9]([C:11]2[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=2)[CH3:10])[CH:5]=[C:4]([C:18]2[CH:19]=[N:20][N:21]([CH3:23])[CH:22]=2)[CH:3]=1.[NH2:24][C:25]1[CH:30]=[N:29][CH:28]=[CH:27][N:26]=1.C1(P(C2CCCCC2)C2C=CC=CC=2C2C(C(C)C)=CC(C(C)C)=CC=2C(C)C)CCCCC1.CC(C)([O-])C.[Na+]>C(OCC)(=O)C.C1(C)C=CC=CC=1>[F:17][C:14]1[CH:15]=[CH:16][C:11]([C@@H:9]([NH:8][C:6]2[CH:5]=[C:4]([C:18]3[CH:19]=[N:20][N:21]([CH3:23])[CH:22]=3)[CH:3]=[C:2]([NH:24][C:25]3[CH:30]=[N:29][CH:28]=[CH:27][N:26]=3)[N:7]=2)[CH3:10])=[CH:12][CH:13]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 78747AminopyrazineHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 23676156Sodium t-butoxideHCID 86659376HCID 86659376, Verbindung

Produkt 1

HCID 46866319N2-((1S)-1-(4-Fluorophenyl)ethyl)-4-(1-methyl-1H-pyrazol-4-yl)-N6-2-pyrazinyl-2,6-pyridinediamineAusbeute 73,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1140TolueneLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

235 mg of (S)-6-chloro-N-[1-(4-fluorophenyl)ethyl]-4-(1-methyl-1H-pyrazol-4-yl)pyridine-2-amine, 74 mg of 2-aminopyrazine, 68 mg of 2-dicyclohexylphosphino-2′,4′,6′-triisopropylbiphenyl, 95 mg of sodium t-butoxide and 37 mg of tris(dibenzylideneacetone)(chloroform)dipalladium were added in turn to 6 ml of degassed toluene, and the mixture was stirred at 100° C. for 1.5 hours under argon atmosphere. The reaction solution was diluted with ethyl acetate. The solution was washed in turn with water and brine and then dried over magnesium sulfate. The solvent was distilled off under reduced pressure, and then the obtained residue was purified by silica gel column chromatography to obtain 204 mg of (S)—N2-[1-(4-fluorophenyl)ethyl]-4-(1-methyl-1H-pyrazol-4-yl)-N6-(pyrazin-2-yl)pyridine-2,6-diamine as pale yellow powder. The obtained compound was dissolved in ethanol, and an equivalent of 1N hydrochloric acid was added thereto, and then the solvent was removed to obtain the objective, compound as pale yellow powder.

Aufarbeitung

  1. washThe solution was washed in turn with water and brine
  2. dry with materialdried over magnesium sulfate
  3. distillationThe solvent was distilled off under reduced pressure
  4. customthe obtained residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-880f593ec5074776bfd3564ae3244f31
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08673891B2

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