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Potassium Carbonate → tert-Butyl (2S)-2-((3S)-3-{(2-amino-2-oxoethyl)[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoate

HRID 349513
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 349513
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([NH:15][C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:29])[C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:17]1=[O:30])(=[O:14])=[O:13])[CH:6]=[CH:5]2.C(=O)([O-])[O-].[K+].[K+].Br[CH2:38][C:39]([NH2:41])=[O:40]>CN(C=O)C>[NH2:41][C:39](=[O:40])[CH2:38][N:15]([S:12]([C:7]1[CH:6]=[CH:5][C:4]2[C:9](=[CH:10][CH:11]=[C:2]([Cl:1])[CH:3]=2)[CH:8]=1)(=[O:13])=[O:14])[C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:29])[C:22]([O:24][C:25]([CH3:26])([CH3:28])[CH3:27])=[O:23])[C:17]1=[O:30]
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Komponenten

5

Edukt 3

HCID 11430Potassium Carbonate2×HCID 696322-Bromoacetamide2×HCID 69221511tert-butyl(2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoate

Produkt 1

HCID 69223739tert-Butyl (2S)-2-((3S)-3-{(2-amino-2-oxoethyl)[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoateAusbeute 94,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of tert-butyl (2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoate (1.31 g) in DMF (22 ml) was treated with potassium carbonate (0.786 g) followed by 2-bromoacetamide (0.48 g) and the resultant mixture stirred at room temperature for 22 h. Additional 2-bromoacetamide (0.4 g) and potassium carbonate (0.4 g) were added and the mixture was stirred at room temperature for 24 h. The reaction mixture was evaporated under reduced pressure and the residue partitioned between ethyl acetate and water. The separated organic layer was washed with water, dried (over magnesium sulphate) and evaporated under reduced pressure to give the title compound (1.4 g) as a white foam.

Aufarbeitung

  1. customThe reaction mixture was evaporated under reduced pressure
  2. customthe residue partitioned between ethyl acetate and water
  3. washThe separated organic layer was washed with water
  4. dry with materialdried (over magnesium sulphate)
  5. customevaporated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-bf751a7409384fa19df0e81ef715fc61
Quelldatensatz
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07179835B2

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