Acetic Anhydride → alpha-(2-Acetoxy-5-sulfophenylazo)acetoacetanilide

HRID 26123Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 26123
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([OH:11])(=[O:10])=[O:9])=[CH:4][C:3]=1[N:12]=[N:13][CH:14]([C:24]([CH3:26])=[O:25])[C:15]([NH:17][C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)=[O:16].[C:27](OC(=O)C)(=[O:29])[CH3:28]>N1C=CC=CC=1>[C:27]([O:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([OH:11])(=[O:10])=[O:9])=[CH:4][C:3]=1[N:12]=[N:13][CH:14]([C:24]([CH3:26])=[O:25])[C:15]([NH:17][C:18]1[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=1)=[O:16])(=[O:29])[CH3:28]

Komponenten

4

Edukt 2

HCID 7918Acetic AnhydrideHCID 135839437alpha-(2-Hydroxy-5-sulfophenylazo)acetoacetanilide

Produkt 1

HCID 23336111alpha-(2-Acetoxy-5-sulfophenylazo)acetoacetanilide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1049PyridineLösungsmittel

Versuchsvorschrift

α-(2-Hydroxy-5-sulfophenylazo)acetoacetanilide (40 g) was dissolved in boiling pyridine (750 ml) and acetic anhydride (100 ml) added. Some material precipitated while the reaction mixture was hot. After being cooled, the product was filtered off and dried. Yield: 38 g.

Aufarbeitung

  1. additionadded
  2. customSome material precipitated while the reaction mixture
  3. temperatureAfter being cooled
  4. filtrationthe product was filtered off
  5. customdried

Quellen und Nachweise

ORD-Eintrag
ord-aa9b866870224e65919dae7971919537
Quelldatensatz
uspto-grants-1979_04
Patentnummer
US04148643

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