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Sodium hydride → 2-cyclopropyl-3-(2'-methoxycarbonylbiphenyl-4-yl)methyl-7-methyl-3H-imidazo[4,5-b]pyridine

HRID 1728581
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1728581
[CH:1]1([C:4]2[NH:13][C:7]3=[N:8][CH:9]=[CH:10][C:11]([CH3:12])=[C:6]3[N:5]=2)[CH2:3][CH2:2]1.[H-].[Na+].Br[CH2:17][C:18]1[CH:23]=[CH:22][C:21]([C:24]2[CH:33]=[CH:32][CH:31]=[CH:30][C:25]=2[C:26]([O:28][CH3:29])=[O:27])=[CH:20][CH:19]=1.[Cl-].[NH4+]>CN(C)C=O>[CH:1]1([C:4]2[N:13]([CH2:17][C:18]3[CH:23]=[CH:22][C:21]([C:24]4[CH:33]=[CH:32][CH:31]=[CH:30][C:25]=4[C:26]([O:28][CH3:29])=[O:27])=[CH:20][CH:19]=3)[C:7]3=[N:8][CH:9]=[CH:10][C:11]([CH3:12])=[C:6]3[N:5]=2)[CH2:3][CH2:2]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 11012181Methyl 4'-(bromomethyl)biphenyl-2-carboxylateHCID 178428356HCID 178428356, Verbindung

Produkt 1

HCID 110367292-cyclopropyl-3-(2'-methoxycarbonylbiphenyl-4-yl)methyl-7-methyl-3H-imidazo[4,5-b]pyridine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel
2×

Versuchsvorschrift

1.64 g of 2-cyclopropyl-7-methyl-3H-imidazo[4,5-b]pyridine dissolved in 30 ml of dimethylformamide was dropwise added to 400 mg of sodium hydride. The mixture was stirred at room temperature for 30 min, and 3.1 g of methyl 2-(4-bromomethylphenyl)benzoate dissolved in 20 ml of dimethylformamide was dropwise added thereto. The mixture was stirred for 10min and then cooled, and an aqueous ammonium chloride solution was added thereto. The mixture was extracted with ethyl acetate. The extract was washed thrice with water, dried over anhydrous magnesium sulfate and then concentrated. The residue was subjected to column chromatography (chloroform:ethanol=99:1). The first eluted isomer was the title compound (yield: 1.32 g) .

Aufarbeitung

  1. additionwas dropwise added
  2. stirringThe mixture was stirred for 10min
  3. temperaturecooled
  4. extractionThe mixture was extracted with ethyl acetate
  5. washThe extract was washed thrice with water
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-33ffd6a537a94c358c80c79a7f8ffe67
Quelldatensatz
uspto-grants-1994_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05328911

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