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Water → 1-methyl-2-[N-(4-cyanophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-[2-(methanesulfonylaminocarbonyl)ethyl]amide

HRID 50400
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 50400
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[N:7]([CH2:30][CH2:31][C:32]([OH:34])=O)[C:8]([C:10]1[CH:29]=[CH:28][C:13]2[N:14]([CH3:27])[C:15]([CH2:17][NH:18][C:19]3[CH:24]=[CH:23][C:22]([C:25]#[N:26])=[CH:21][CH:20]=3)=[N:16][C:12]=2[CH:11]=1)=[O:9].[CH3:35][S:36]([NH2:39])(=[O:38])=[O:37].[H-].[Na+].O>O1CCCC1.CN(C)C=O>[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[N:7]([CH2:30][CH2:31][C:32]([NH:39][S:36]([CH3:35])(=[O:38])=[O:37])=[O:34])[C:8]([C:10]1[CH:29]=[CH:28][C:13]2[N:14]([CH3:27])[C:15]([CH2:17][NH:18][C:19]3[CH:20]=[CH:21][C:22]([C:25]#[N:26])=[CH:23][CH:24]=3)=[N:16][C:12]=2[CH:11]=1)=[O:9]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 72879MethanesulfonamideHCID 184126863-(2-(((4-Cyanophenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoic acid

Produkt 1

HCID 184125901-methyl-2-[N-(4-cyanophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-[2-(methanesulfonylaminocarbonyl)ethyl]amide

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittel2×HCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

2.0 g (4.5 mmol) of 1-methyl-2-[N-(4-cyanophenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-hydroxycarbonylethyl)amide and 0.73 g (4.7 mmol) of carbonylduimidazole were dissolved in 80 mL of tetrahydrofuran and 5 mL of dimethylformamide and stirred for 30 minutes at ambient temperature and for 2 hours at 90° C. In parallel, 0.55 g (5.8 mmol) of methanesulfonic acid amide and 0.28 g (5.8 mmol) of sodium hydride were suspended in 15 mL of dimethylformamide and stirred for 2 hours at ambient temperature. Then this suspension was added at ambient temperature to the tetrahydrofuran solution. After 12 hours at ambient temperature, 50 mL of water were added and the pH value was adjusted to 6.8. The solution was extracted 4× with methylene chloride, the combined organic phases were dried over sodium sulfate and evaporated down. The crude product was chromatographed on silica gel (methylene chloride/ethanol (40:1)). The desired fractions were combined and evaporated down. Yield: 1.05 g (44% of theory), C26H25N7O4S (531.6); Rf value: 0.72 (silica gel; dichloromethane/methanol=9:1).

Aufarbeitung

  1. waitAfter 12 hours at ambient temperature
  2. extractionThe solution was extracted 4× with methylene chloride
  3. dry with materialthe combined organic phases were dried over sodium sulfate
  4. customevaporated down
  5. customThe crude product was chromatographed on silica gel (methylene chloride/ethanol (40:1))
  6. customevaporated down

Quellen und Nachweise

ORD-Eintrag
ord-e2d659cc7a564f899388d45b63d5e24e
Quelldatensatz
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06710055B2

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