Sulfuric Acid → 2-Amino-5-bromobenzenesulphonic acid

HRID 727434Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 727434
[Br:1][C:2]1[CH:8]=[CH:7][C:5]([NH2:6])=[CH:4][CH:3]=1.[S:9](=O)(=[O:12])([OH:11])[OH:10]>ClC1C=CC=CC=1Cl>[NH2:6][C:5]1[CH:7]=[CH:8][C:2]([Br:1])=[CH:3][C:4]=1[S:9]([OH:12])(=[O:11])=[O:10]

Komponenten

4

Reaktionsbedingungen

Temperatur
180 °C

Versuchsvorschrift

A mixture containing 31 g (180 mmol) of 4-bromoaniline and 9.7 ml (220 mmol) of sulphuric acid in 200 ml of 1,2-dichlorobenzene is heated at 180° C. for 6 hours. The reaction medium is allowed to cool to room temperature and is then filtered. The residue is washed with dichloromethane.

Aufarbeitung

  1. temperatureto cool to room temperature
  2. filtrationis then filtered
  3. washThe residue is washed with dichloromethane

Quellen und Nachweise

ORD-Eintrag
ord-e1becb638abc4b589958c0e4bd201073
Quelldatensatz
uspto-grants-1998_01
Patentnummer
US05712393

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