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Pyridine → 2-oxo-3-tert-butoxycarbonylamino-5-(2-pyridylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

HRID 1979387
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1979387
[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].Cl.[N:23]1[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=1[C:29](Cl)=[O:30].N1C=CC=CC=1>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:29]([C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][N:23]=2)=[O:30])[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

5

Edukt 3

HCID 1049PyridineHCID 135033Picolinoyl Chloride HydrochlorideHCID 212015812-oxo-3-tert-butoxycarbonylamino-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepine

Produkt 1

HCID 212017912-oxo-3-tert-butoxycarbonylamino-5-(2-pyridylcarbonyl)-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepineAusbeute 64,3 %

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), picolinoyl chloride hydrochloride (1.41 g) and pyridine (1.28 ml) were added, and the mixture was refluxed for 1 hour and 30 minutes. The reaction mixture was concentrated under reduced pressure, the residue was dissolved in ethyl acetate (150 ml), successively washed with water and saturated aqueous sodium bicarbonate, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure, diethyl ether was added to the residue for trituration, collected by filtration, to thereby obtain 1.75 g of the titled compound.

Aufarbeitung

  1. temperaturethe mixture was refluxed for 1 hour and 30 minutes
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. dissolutionthe residue was dissolved in ethyl acetate (150 ml)
  4. washsuccessively washed with water and saturated aqueous sodium bicarbonate
  5. dry with materialdried over anhydrous sodium sulfate
  6. customThe solvent was evaporated under reduced pressure, diethyl ether
  7. additionwas added to the residue for trituration
  8. filtrationcollected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-cfff18073e5f4eb8b96129bf0b73ea05
Quelldatensatz
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06239131B1

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