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Ammonium Hydroxide → N-(2,6-dichlorobenzoyl)-4-(2-carbamoylphenyl)-L-phenylalanine methyl ester

HRID 24650
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 24650
[CH3:1][O:2][C:3](=[O:32])[C@H:4]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=2[C:29](O)=[O:30])=[CH:19][CH:18]=1)[NH:5][C:6](=[O:15])[C:7]1[C:12]([Cl:13])=[CH:11][CH:10]=[CH:9][C:8]=1[Cl:14].C(N1C=CN=C1)([N:35]1C=CN=C1)=O.[OH-].[NH4+]>C1COCC1>[CH3:1][O:2][C:3](=[O:32])[C@H:4]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=2[C:29](=[O:30])[NH2:35])=[CH:19][CH:18]=1)[NH:5][C:6](=[O:15])[C:7]1[C:12]([Cl:13])=[CH:11][CH:10]=[CH:9][C:8]=1[Cl:14]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 14923Ammonium HydroxideHCID 682631,1'-CarbonyldiimidazoleHCID 53640164N-(2,6-dichlorobenzoyl)-4-(2-carboxyphenyl)-L-phenylalanine methyl ester

Produkt 1

HCID 54317495N-(2,6-dichlorobenzoyl)-4-(2-carbamoylphenyl)-L-phenylalanine methyl esterAusbeute 91,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

N-(2,6-dichlorobenzoyl)-4-(2-carboxyphenyl)-L-phenylalanine methyl ester (52.6 mg) was dissolved in anhydrous THF (1 mL), carbonyldiimidazole (36.1 mg) was added and the mixture was stirred at room temperature under N2 for 2 h. Ammonium hydroxide (29% aqueous solution, 135 μL) was added and the mixture was stirred for an additional 22 h. The mixture was then extracted with EtOAc. The extract was washed with 1N HCl, sat. NaHCO3 and brine, dried (MgSO4) and evaporated. The residue was purified through a silica gel column using toluene/EtOAc (1:1) as an eluent to give N-(2,6-dichlorobenzoyl)-4-(2-carbamoylphenyl)-L-phenylalanine methyl ester (48.1 mg). ESMS: m/z 471 (MH+).

Aufarbeitung

  1. stirringthe mixture was stirred for an additional 22 h
  2. extractionThe mixture was then extracted with EtOAc
  3. washThe extract was washed with 1N HCl, sat. NaHCO3 and brine
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. customThe residue was purified through a silica gel column

Quellen und Nachweise

ORD-Eintrag
ord-03dd0ae347ef4eff8b950ad23e691226
Quelldatensatz
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06855843B2

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