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Triethylamine → N-(3-(1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yloxy)propyl)-2-nitrobenzenesulfonamide

HRID 1183087
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1183087
C(N(CC)CC)C.[NH2:8][CH2:9][CH2:10][CH2:11][O:12][C:13]1[CH:30]=[CH:29][C:16]2[N:17]([CH2:27][CH3:28])[C:18](=[O:26])[C:19]([CH3:25])([CH3:24])[C:20](=[O:23])[N:21]([CH3:22])[C:15]=2[CH:14]=1.[N+:31]([C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=1[S:40](Cl)(=[O:42])=[O:41])([O-:33])=[O:32]>ClCCl.O>[CH2:27]([N:17]1[C:18](=[O:26])[C:19]([CH3:24])([CH3:25])[C:20](=[O:23])[N:21]([CH3:22])[C:15]2[CH:14]=[C:13]([O:12][CH2:11][CH2:10][CH2:9][NH:8][S:40]([C:35]3[CH:36]=[CH:37][CH:38]=[CH:39][C:34]=3[N+:31]([O-:33])=[O:32])(=[O:41])=[O:42])[CH:30]=[CH:29][C:16]1=2)[CH3:28]
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Komponenten

6

Edukt 3

HCID 8471TriethylamineHCID 155402-Nitrobenzenesulfonyl chlorideHCID 686735217-(3-Aminopropoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione

Produkt 1

HCID 68672787N-(3-(1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yloxy)propyl)-2-nitrobenzenesulfonamideAusbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Lösungsmittel
HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

Triethylamine (0.8 ml, 5.7 mmol) was added to a dichloromethane solution (50 ml) of 7-(3-aminopropoxy)-1-ethyl-3,3,5-trimethyl-1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione (1.22 g, 3.8 mmol) and ice-cooled. o-Nitrobenzenesulfonyl chloride (1.03 g, 4.2 mmol) was added to the resulting mixture, and stirred at room temperature for 2 hours. Water was added to the reaction mixture, and extraction with dichloromethane was performed. The organic layer was washed with water and a saturated sodium chloride aqueous solution, in this order, then dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=1:1→0:1). The purified product was concentrated to dryness under reduced pressure to thereby obtain 1.86 g (yield: 97%) of N-(3-(1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yloxy)propyl)-2-nitrobenzenesulfonamide as a white amorphous solid.

Aufarbeitung

  1. temperaturecooled
  2. washThe organic layer was washed with water
  3. dry with materiala saturated sodium chloride aqueous solution, in this order, then dried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=1:1→0:1)
  6. concentrationThe purified product was concentrated to dryness under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-9a4d5ccd369a4967b2a0d4b57a5ef5f0
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08664217B2

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