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1-Propanol → N-(5-ethoxycarbonylmethyl-4,6-dimethylindolin-7-yl)-2,2-dimethylpropanamide

HRID 1107948
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1107948
C([N:4]1[C:12]2[C:7](=[C:8]([CH3:24])[C:9]([CH2:21][C:22]#N)=[C:10]([CH3:20])[C:11]=2[NH:13][C:14](=[O:19])[C:15]([CH3:18])([CH3:17])[CH3:16])[CH2:6][CH2:5]1)(=O)C.[OH-:25].[Na+].[CH2:27]([OH:30])[CH2:28]C>O>[CH2:27]([O:30][C:22]([CH2:21][C:9]1[C:8]([CH3:24])=[C:7]2[C:12](=[C:11]([NH:13][C:14](=[O:19])[C:15]([CH3:18])([CH3:16])[CH3:17])[C:10]=1[CH3:20])[NH:4][CH2:5][CH2:6]2)=[O:25])[CH3:28]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 10311-PropanolHCID 14798Sodium HydroxideHCID 15524343N-(1-acetyl-5-cyanomethyl-4,6-dimethylindolin-7-yl)-2,2-dimethylpropanamide

Produkt 1

HCID 12112203N-(5-ethoxycarbonylmethyl-4,6-dimethylindolin-7-yl)-2,2-dimethylpropanamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

N-(1-Acetyl-5-cyanomethyl-4,6-dimethylindolin-7-yl)-2,2-dimethylpropanamide (5.0 g) was suspended in n-PrOH (25 ml) and a solution of NaOH (9.6 g) in water (10 ml) was added, which was followed by stirring at 90° C. for 8 hr in an autoclave under a nitrogen atmosphere. The aqueous layer was separated, and the organic layer was neutralized with 2N-hydrochloric acid. The solvent was evaporated under reduced pressure. The residue was suspended in EtOH (200 ml), and 10N HCl-EtOH (7.2 ml) was added, which was followed by refluxing for 1 hr. EtOH was evaporated under reduced pressure, and the mixture was neutralized with saturated aqueous solution of sodium hydrogencarbonate and extracted with AcOEt (200 ml). The AcOEt layer was washed with water and dried over anhydrous sodium sulfate. AcOEt was evaporated under reduced pressure and the residue was purified by silica gel column chromatography (eluent: CHCl3 /MeOH=1/0-20/1) to give 3.0 g of N-(5-ethoxycarbonylmethyl-4,6-dimethylindolin-7-yl)-2,2-dimethylpropanamide.

Aufarbeitung

  1. customThe aqueous layer was separated
  2. customThe solvent was evaporated under reduced pressure
  3. addition10N HCl-EtOH (7.2 ml) was added
  4. temperatureby refluxing for 1 hr
  5. customEtOH was evaporated under reduced pressure
  6. extractionextracted with AcOEt (200 ml)
  7. washThe AcOEt layer was washed with water
  8. dry with materialdried over anhydrous sodium sulfate
  9. customAcOEt was evaporated under reduced pressure
  10. customthe residue was purified by silica gel column chromatography (eluent: CHCl3 /MeOH=1/0-20/1)

Quellen und Nachweise

ORD-Eintrag
ord-71a48218b46f4535b90000e4736b000f
Quelldatensatz
uspto-grants-2000_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06063806

Notizen zur Reaktion

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