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Pentane → 1-{4-Chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazol-7-yl}-2,2-dimethylpropan-1-one

HRID 1698579
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1698579
CCCCC.[C:6]([Li])([CH3:9])([CH3:8])[CH3:7].[Cl:11][C:12]1[C:20]2[N:19]=[C:18]([NH:21][C:22]3[C:27]([CH3:28])=[CH:26][C:25]([Cl:29])=[CH:24][C:23]=3[O:30][CH3:31])[N:17]([CH3:32])[C:16]=2[C:15]([C:33](OC)=[O:34])=[CH:14][CH:13]=1>C(OCC)C.O>[Cl:11][C:12]1[C:20]2[N:19]=[C:18]([NH:21][C:22]3[C:27]([CH3:28])=[CH:26][C:25]([Cl:29])=[CH:24][C:23]=3[O:30][CH3:31])[N:17]([CH3:32])[C:16]=2[C:15]([C:33](=[O:34])[C:6]([CH3:9])([CH3:8])[CH3:7])=[CH:14][CH:13]=1
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Komponenten

6

Edukt 3

HCID 8003PentaneHCID 67273388Methyl 4-chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazole-7-carboxylateHCID 178418306HCID 178418306, Verbindung

Produkt 1

HCID 580123821-{4-Chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazol-7-yl}-2,2-dimethylpropan-1-one

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Lösungsmittel
HCID 3283Diethyl EtherLösungsmittel

Versuchsvorschrift

A n-pentane solution of tert-butyl lithium (1.46 M, 0.5 ml) was added to a solution of methyl 4-chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazole-7-carboxylate (100 mg, 0.23 mmol) in diethyl ether (5 mL) at −78° C. and stirred for 1 h. The reaction mixture was diluted with water (5 mL), stirred at room temperature for 0.5 h and extracted with ethyl acetate. The organics was dried over magnesium sulfate, filtered, and concentrated in vacuo. The residue was purified by preparative HPLC. The resultant was neutralized with aqueous sodium hydrogen carbonate and extracted with ethyl acetate. The organics was dried over magnesium sulfate, filtered, and concentrated in vacuo to give 31 mg (0.073, mmol, 32%) of the title compound.

Aufarbeitung

  1. stirringstirred at room temperature for 0.5 h
  2. extractionextracted with ethyl acetate
  3. dry with materialThe organics was dried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by preparative HPLC
  7. extractionextracted with ethyl acetate
  8. dry with materialThe organics was dried over magnesium sulfate
  9. filtrationfiltered
  10. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-6cafd3da58fa49b298ce3936530843a3
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08163935B2

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