Hydrochloric Acid → 2-Amino-5-bromo-3-iodobenzenesulphonic acid

HRID 727435

Reaktionsgleichung

Reaktionsgleichung von HRID 727435
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([Br:8])=[CH:4][C:3]=1[S:9]([OH:12])(=[O:11])=[O:10].[I:13]Cl.Cl>CO>[NH2:1][C:2]1[C:7]([I:13])=[CH:6][C:5]([Br:8])=[CH:4][C:3]=1[S:9]([OH:12])(=[O:11])=[O:10]

Komponenten

5

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

To 45 g (176 mmol) of 2-amino-5-bromobenzenesulphonic acid are added 46 g (282 mmol) of iodine chloride, 400 ml of aqueous 1N hydrochloric acid solution and 400 ml of methanol. The mixture is heated at 90° C. for 18 hours and concentrated under reduced pressure, and the residue is crystallized from ethanol.

Aufarbeitung

  1. concentrationconcentrated under reduced pressure
  2. customthe residue is crystallized from ethanol

Quellen und Nachweise

ORD-Eintrag
ord-c7555d9d61194faeb8c71463882c07bf
Quelldatensatz
uspto-grants-1998_01
Patentnummer
US05712393

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