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Hydrochloric Acid → N-{[2-(2,6-dichlorophenyl-amino)-phenyl]-acetyl}-L-leucyl-L-serine

HRID 905052
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 905052
C(N(CC)CC)C.[Cl:8][C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([Cl:15])[C:10]=1[NH:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][C:18]=1[CH2:23][C:24]([O:26]C1C=CC([N+]([O-])=O)=CC=1)=O.Cl.[NH2:37][C@H:38]([C:43]([NH:45][C@H:46]([C:49]([OH:51])=[O:50])[CH2:47][OH:48])=[O:44])[CH2:39][CH:40]([CH3:42])[CH3:41]>CN(C)C=O>[Cl:15][C:11]1[CH:12]=[CH:13][CH:14]=[C:9]([Cl:8])[C:10]=1[NH:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][C:18]=1[CH2:23][C:24]([NH:37][C@H:38]([C:43]([NH:45][C@H:46]([C:49]([OH:51])=[O:50])[CH2:47][OH:48])=[O:44])[CH2:39][CH:40]([CH3:41])[CH3:42])=[O:26]
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Komponenten

6

Edukt 4

HCID 313Hydrochloric Acid2×HCID 8471TriethylamineHCID 6992130Leu-SerHCID 203870824-Nitrophenyl 2-(2,6-dichlorophenyl-amino)-phenyl-acetate

Produkt 1

HCID 53916881N-{[2-(2,6-dichlorophenyl-amino)-phenyl]-acetyl}-L-leucyl-L-serine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

1.5 ml of triethylamine are added to a solution of 4.2 g of 4-nitrophenyl 2-(2,6-dichlorophenyl-amino)-phenyl-acetate and 3.6 g of the hydrochloride of the methyl ester of L-leucyl-L-serine in 30 ml of dimethylformamide and the mixture is allowed to react for one hour at room temperature. It is then acidified to pH 5 with 1 N hydrochloric acid and partitioned between chloroform and water. After washing with water, the organic phase is dried and evaporated. The residue is ground with diethyl ether. After recrystallising from a mixture of ethyl acetate and petroleum ether, the methyl ester of N-{[2-(2,6-dichlorophenyl-amino)-phenyl]-acetyl}-L-leucyl-L-serine is obtained as colourless crystals; melting point 216°-218°: [α]D =-30° (c=0.635 in chloroform).

Aufarbeitung

  1. customto react for one hour at room temperature
  2. custompartitioned between chloroform and water
  3. washAfter washing with water
  4. customthe organic phase is dried
  5. customevaporated
  6. customAfter recrystallising from a mixture of ethyl acetate and petroleum ether

Quellen und Nachweise

ORD-Eintrag
ord-cccf05cfe89248609af7678673d89476
Quelldatensatz
uspto-grants-1983_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04421765

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