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Water → 8-benzyl-N-methyl-N-(1-methylethyl)-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepin-3-amine

HRID 518048
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 518048
CC(C)([O-])C.[K+].[CH2:7]([N:14]([CH2:18][C:19]1[C:24](Cl)=[N:23][C:22]([N:26]([CH3:30])[CH:27]([CH3:29])[CH3:28])=[CH:21][N:20]=1)[CH2:15][CH2:16][OH:17])[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1.O>CN(C=O)C>[CH2:7]([N:14]1[CH2:18][C:19]2[N:20]=[CH:21][C:22]([N:26]([CH3:30])[CH:27]([CH3:29])[CH3:28])=[N:23][C:24]=2[O:17][CH2:16][CH2:15]1)[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 962WaterHCID 23665647Potassium tert-butoxideHCID 866489842-[Benzyl({3-chloro-5-[methyl(1-methylethyl)amino]pyrazin-2-yl}methyl)amino]ethanol

Produkt 1

HCID 669936178-benzyl-N-methyl-N-(1-methylethyl)-6,7,8,9-tetrahydropyrazino[2,3-f][1,4]oxazepin-3-amineAusbeute 87 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel
2×

Versuchsvorschrift

To a solution of potassium tert-butoxide (5.8 g) in DMF (45 mL) was added dropwise a solution of 2-[benzyl({3-chloro-5-[methyl(1-methylethyl)amino]pyrazin-2-yl}methyl)amino]ethanol (15.1 g) in DMF (30 mL) at 0° C., and the mixture was stirred for 1.5 hr. Water (150 ml) was added, and the mixture was extracted with ethyl acetate. The aqueous layer was extracted again with ethyl acetate. The combined organic layer was washed with water and saturated brine, dried over magnesium sulfate, and concentrated. The residue was purified by basic silica gel column chromatography (eluent: 10% ethyl acetate/hexane) to give the title compound (11 g, 87%) as a pale-yellow oil.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. extractionThe aqueous layer was extracted again with ethyl acetate
  3. washThe combined organic layer was washed with water and saturated brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by basic silica gel column chromatography (eluent: 10% ethyl acetate/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-4950d0f6f1e44d60bfcbf1b38ab0418e
Quelldatensatz
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09115139B2

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