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Methyl iodide → HCID 59674137, Verbindung

HRID 1391533
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1391533
[Cl:1][C:2]1[N:7]=[C:6]([NH:8][C:9]2[CH:32]=[CH:31][C:12]3[N:13]([CH3:30])[C:14]([N:16]([C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=4)[C:17](=[O:23])[O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[N:15][C:11]=3[CH:10]=2)[CH:5]=[CH:4][N:3]=1.[C:33](=O)([O-])[O-].[Cs+].[Cs+].IC>CN(C=O)C>[Cl:1][C:2]1[N:7]=[C:6]([N:8]([CH3:33])[C:9]2[CH:32]=[CH:31][C:12]3[N:13]([CH3:30])[C:14]([N:16]([C:24]4[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=4)[C:17](=[O:23])[O:18][C:19]([CH3:20])([CH3:21])[CH3:22])=[N:15][C:11]=3[CH:10]=2)[CH:5]=[CH:4][N:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 6328Methyl iodideHCID 10796Cesium carbonateHCID 59674250Tert-butyl 5-[(2-chloropyrimidin-4-yl)amino]-1-methyl-1H-benzimidazol-2-yl(phenyl)carbamate

Produkt 1

HCID 59674137HCID 59674137, VerbindungAusbeute 78,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228Dimethylformamide
Lösungsmittel

Versuchsvorschrift

Tert-butyl 5-[(2-chloropyrimidin-4-yl)amino]-1-methyl-1H-benzimidazol-2-yl(phenyl)carbamate (0.97 g, 2.2 mmol) was dissolved in DMF (10 ml) and cesium carbonate (2.15 g, 6.6 mmol) was added. After 15 min, iodomethane (0.20 ml, 3.3 mmol) was added, and the reaction was stirred at rt. After TLC showed the starting material to be consumed, the reaction was diluted with water. The aqueous layer was extracted with EtOAc. The combined organic layers were washed with water, dried over MgSO4 and concentrated to a red foam. The crude material was purified through silica gel to give the title compound as a white solid (0.80 g. 78% over two steps). 1H NMR (300 MHz, d6-DMSO) δ 7.90 (d, J=6.3 Hz, 1H), 7.72 (d, J=8.7 Hz, 1H), 7.60 (d, J=1.8 Hz, 1H), 7.38 (m, 4H), 7.25-7.29 (m, 2H), 6.17 (d, J=5.7 Hz, 1H), 3.78 (s, 3H), 3.41 (s, 3H), 1.41 (s, 9H). MS (ESI) m/z=465 [M+H]+.

Aufarbeitung

  1. customto be consumed
  2. additionthe reaction was diluted with water
  3. extractionThe aqueous layer was extracted with EtOAc
  4. washThe combined organic layers were washed with water
  5. dry with materialdried over MgSO4
  6. concentrationconcentrated to a red foam
  7. customThe crude material was purified through silica gel

Quellen und Nachweise

ORD-Eintrag
ord-9f66503c4d1543d595d52e5d6b2910bb
Quelldatensatz
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07338959B2

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