Reaction #2171029

Reaction equation

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

1,3-bis-(3,5-dibromo-4-nitro-pyrazol-1-yl)propane

benzylamine

water

→

1,3-bis-(5-benzylamino-3-bromo-4-nitropyrazol-1-yl)-propane

Solvents

n-propanol

Conditions

Workup

1. 1
   TemperatureSubsequently the reaction mixture is cooled
2. 2
   FiltrationThe precipitate is filtered with suction
3. 3
   Washwashed with water
4. 4
   Otherdried in vacuum at 60° C.

Procedure

11.6 g of 1,3-bis-(3,5-dibromo-4-nitropyrazol-1-yl)propane from step 5.1 are heated together with 6.5 g of benzylamine in 180 ml of n-propanol for 1 hour at 100° C. Subsequently the reaction mixture is cooled and poured into 1000 ml water. The precipitate is filtered with suction, washed with water and dried in vacuum at 60° C.

Source