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Water → 2-oxo-3-tert-butoxycarbonylamino-5-acetyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

HRID 1979406
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1979406
[O:1]=[C:2]1[NH:8][C:7]2[CH:9]=[C:10]([CH3:13])[CH:11]=[CH:12][C:6]=2[NH:5][CH2:4][CH:3]1[NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16].[C:22](Cl)(=[O:24])[CH3:23].N1C=CC=CC=1.O>ClCCCl>[O:1]=[C:2]1[NH:8][C:7]2[CH:9]=[C:10]([CH3:13])[CH:11]=[CH:12][C:6]=2[N:5]([C:22](=[O:24])[CH3:23])[CH2:4][CH:3]1[NH:14][C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 962WaterHCID 1049PyridineHCID 6367Acetyl chlorideHCID 212015812-oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

Produkt 1

HCID 212016002-oxo-3-tert-butoxycarbonylamino-5-acetyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 11
1,2-Dichloroethane
Lösungsmittel

Versuchsvorschrift

2-Oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine (2.00 g) obtained from Referential Example 7 was suspended in 1,2-dichloroethane (40 ml), acetyl chloride (0.56 ml) and pyridine (0.64 ml) were added thereto, the mixture was refluxed for 2 hours. Water (100 ml) was added, extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium bicarbonate, dried over anhydrous sodium sulfate, the solvent was evaporated under reduced pressure, and diisopropyl ether was added to the residue for trituration, collectedly filtration, to thereby obtain 1.33 g of the titled compound.

Aufarbeitung

  1. temperaturethe mixture was refluxed for 2 hours
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium bicarbonate
  4. dry with materialdried over anhydrous sodium sulfate
  5. customthe solvent was evaporated under reduced pressure, and diisopropyl ether
  6. additionwas added to the residue for trituration, collectedly filtration

Quellen und Nachweise

ORD-Eintrag
ord-c99b203c06d64710b83775dfd4be9acc
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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