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Triethylamine → HCID 10717394, Verbindung

HRID 965178
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 965178
[C:1]([O:5][C:6]([NH:8][C@H:9]([C:20]([OH:22])=O)[CH2:10][C:11]1[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[NH:13][CH:12]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.ClC(OCC)=O.[Cl:36][C:37]1[CH:44]=[CH:43][CH:42]=[CH:41][C:38]=1[CH2:39][NH2:40]>CC(C)=O>[C:1]([O:5][C:6]([NH:8][CH:9]([CH2:10][C:11]1[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[NH:13][CH:12]=1)[C:20]([NH:40][CH2:39][C:38]1[CH:41]=[CH:42][CH:43]=[CH:44][C:37]=1[Cl:36])=[O:22])=[O:7])([CH3:2])([CH3:3])[CH3:4]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8471TriethylamineHCID 10928Ethyl chloroformateHCID 666482-ChlorobenzylamineHCID 83169N-tert-Butoxycarbonyl-L-tryptophan

Produkt 1

HCID 10717394HCID 10717394, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 180Acetone
Lösungsmittel

Versuchsvorschrift

To a solution of N-(t-butoxycarbonyl)tryptophan (21.28 g, 70 mmol) in 140 ml of acetone was added triethylamine (9.76 ml, 7.08 g, 70 mmol) in a portionwise manner. The resulting mixture was stirred for about thirty-five minutes at room temperature and then stirred at 45° C. for 30 minutes under nitrogen. To the resulting mixture ethyl chloroformate (7.35 ml, 8.36 g, 77 mmol) was added with continued cooling and the reaction mixture was stirred for about one hour. Next, 2-chlorobenzylamine (9.30 ml, 10.9 g, 77 mmol) was added and the reaction mixture was then stirred until a white precipitate formed. The ice bath was removed and additional acetone was added. The reaction mixture was then stirred overnight.

Aufarbeitung

  1. stirringstirred at 45° C. for 30 minutes under nitrogen
  2. temperaturewith continued cooling
  3. stirringthe reaction mixture was stirred for about one hour
  4. stirringthe reaction mixture was then stirred until a white precipitate
  5. customformed
  6. customThe ice bath was removed
  7. additionadditional acetone was added
  8. stirringThe reaction mixture was then stirred overnight

Quellen und Nachweise

ORD-Eintrag
ord-f230482fd8464a59852e6667e865c741
Quelldatensatz
uspto-grants-1998_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05773441

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