Water → 4-[8-chloro-2-(3-methoxyphenyl)imidazo[1,2-alpha]pyridin-3-yl]-N-phenylpyrimidin-2-amine

HRID 1295879

Reaktionsgleichung

Reaktionsgleichung von HRID 1295879
[Cl:1][C:2]1[C:3]2[N:4]([C:8]([C:19](=O)[C:20]#[CH:21])=[C:9]([C:11]3[CH:16]=[CH:15][CH:14]=[C:13]([O:17][CH3:18])[CH:12]=3)[N:10]=2)[CH:5]=[CH:6][CH:7]=1.[N+]([O-])([O-])=O.[C:27]1([NH:33][C:34]([NH2:36])=[NH2+:35])[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1.C(=O)([O-])[O-].[K+].[K+].O>CN1CCCC1=O.CCOCC>[Cl:1][C:2]1[C:3]2[N:4]([C:8]([C:19]3[CH:20]=[CH:21][N:36]=[C:34]([NH:33][C:27]4[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=4)[N:35]=3)=[C:9]([C:11]3[CH:16]=[CH:15][CH:14]=[C:13]([O:17][CH3:18])[CH:12]=3)[N:10]=2)[CH:5]=[CH:6][CH:7]=1

Komponenten

7

Edukt 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 112321611-[8-Chloro-2-(3-methoxyphenyl)imidazo[1,2-alpha]pyridin-3-yl]-2-propyn-1-oneHCID 178418786HCID 178418786, Verbindung

Produkt 1

HCID 102741414-[8-chloro-2-(3-methoxyphenyl)imidazo[1,2-alpha]pyridin-3-yl]-N-phenylpyrimidin-2-amineAusbeute 50 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 3283Diethyl EtherLösungsmittelHCID 13387N-methyl-2-pyrrolidoneLösungsmittel

Reaktionsbedingungen

Temperatur
140 °C

Versuchsvorschrift

To a solution of 1-[8-chloro-2-(3-methoxyphenyl)imidazo[1,2-α]pyridin-3-yl]-2-propyn-1-one (58 mg, 0.19 mmol) in 1-methyl-2-pyrrolidinone (2 mL) was added N-phenylguanidinium nitrate (185 mg, 0.94 mmol) and potassium carbonate (129 mg, 0.94 mmol). The mixture was heated at 140° C. for 1.25 hours and then cooled to room temperature. Water was added then ether. The organic layer was washed with brine. The aqueous layer was extracted with ether and the combined organics dried over magnesium sulfate. Filtration and concentration followed by flash chromatography (2:1 hexanes-ethyl acetate) provided 4-[8-chloro-2-(3-methoxyphenyl)imidazo[1,2-α]pyridin-3-yl]-N-phenylpyrimidin-2-amine (40 mg, 50%) as a yellow solid. 1H NMR (CDCl3 with 2 drops CD3OD): δ 9.45 (d, 1 H), 8.16 (d, 1 H), 7.60–7.58 (m, 2 H), 7.39 (d, 1 H), 7.34–7.29 (m, 3 H), 7.17–7.15 (m, 2 H), 7.07 (t, 1 H), 6.95 (m, 1 H), 6.75 (t, 1 H), 6.58 (d, 1 H), 3.79 (s, 3 H); MS m/z 428 (M+1).

Aufarbeitung

  1. temperaturecooled to room temperature
  2. washThe organic layer was washed with brine
  3. extractionThe aqueous layer was extracted with ether
  4. dry with materialthe combined organics dried over magnesium sulfate
  5. filtrationFiltration and concentration

Quellen und Nachweise

ORD-Eintrag
ord-0f2f6b2591e948fd9c25b5ce7a735576
Quelldatensatz
uspto-grants-2007_07
Patentnummer
US07244740B2

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