Reaktion #2171027

Reaktionsgleichung

3,5-dibromo-4-nitropyrazole

potassium carbonate

potassium iodide

α, α′-dibromo-m-xylene

→

1,3-bis-(3,5-dibromo-4-nitropyrazol-1-yl-methyl)benzene

Lösungsmittel

water

dimethyl formamide

Reaktionsbedingungen

Aufarbeitung

1. 1
   Temperaturto cool
2. 2
   FiltrationThe precipitate is filtered
3. 3
   Waschenwashed with water
4. 4
   Sonstigedried in vacuum

Vorschrift

13.54 g of 3,5-dibromo-4-nitropyrazole, 11.1 g potassium carbonate, 0.8 g of potassium iodide and 6.6 g α, α′-dibromo-m-xylene are heated to 100° C. in 40 ml of dimethyl formamide. After 50 minutes the reaction mixture is allowed to cool and poured into 400 ml water. The precipitate is filtered, washed with water and dried in vacuum.

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