反応 #2171027

反応方程式

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

溶媒

water

dimethyl formamide

反応条件

後処理

1. 1
   温度to cool
2. 2
   ろ過The precipitate is filtered
3. 3
   洗浄washed with water
4. 4
   その他dried in vacuum

実験手順

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.

出典