反応 #2383766

反応方程式

4-chloro-3-methylpyrazole

phosphoric acid

phosphoric acid

→

4chloro-3-methylpyrazolium dihydrogen phosphate

収率 98.0%

溶媒

water

反応条件

後処理

1. 1
   その他was evaporated
2. 2
   workup.WAITAfter a few hours
3. 3
   その他the title compound crystallized out of the oil initially present (yield 98%)

実験手順

116 g (1.0 mol) of 4-chloro-3-methylpyrazole were dissolved in 115 g (1.0 mol) of phosphoric acid (85%) at room temperature. The water contained in the phosphoric acid was evaporated. After a few hours, the title compound crystallized out of the oil initially present (yield 98%).

出典