Reaktion #617945

Reaktionsgleichung

bromine

7H-dibenzo[a,g]carbazole

water

→

12-bromo-7H-dibenzo[a,g]carbazole

Ausbeute 160.8%

Lösungsmittel

dichloromethane

dichloromethane

Reaktionsbedingungen

Aufarbeitung

1. 1
   workup.STIRRINGAfter being stirred at room temperature for 2 h
2. 2
   Filtrationfiltered
3. 3
   Waschenwashed with 500 mL water
4. 4
   SonstigeThe white residue was recrystallized in ethanol

Vorschrift

10.3 g of 7H-dibenzo[a,g]carbazole was dissolved in dichloromethane (150 mL) at 0° C. with stirring. To this was dropped a dichloromethane solution of bromine (3.1 g in dichloromethane). After being stirred at room temperature for 2 h, the solution was poured into 200 mL of water, filtered, and washed with 500 mL water. The white residue was recrystallized in ethanol and yielded 12-bromo-7H-dibenzo[a,g]carbazole as colorless crystals (10.8 g).

Quelle