Reaktion #926425

Reaktionsgleichung

3-(5-nitro-2-furyl)-1-phenylpyrazole-4-carboxylic acid chloride

hydrazine dihydrochloride

→

N,N'-bis-[3-(5-nitro-2-furyl)-1-phenyl-4-pyrazolylcarbonyl]hydrazine

Ausbeute 72.0%

Lösungsmittel

dioxane

water

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigewhereupon N,N'-bis-[3-(5-nitro-2-furyl)-1-phenyl-4-pyrazolylcarbonyl]hydrazine [m.p. 313° to 314° C (with decomposition) from dimethylformamide] precipitates with a yield of 72%

Vorschrift

Add a solution of 476 mg of 3-(5-nitro-2-furyl)-1-phenylpyrazole-4-carboxylic acid chloride in 25 ml of dioxane dropwise to 210 mg of hydrazine dihydrochloride in 2 ml of water, whereupon N,N'-bis-[3-(5-nitro-2-furyl)-1-phenyl-4-pyrazolylcarbonyl]hydrazine [m.p. 313° to 314° C (with decomposition) from dimethylformamide] precipitates with a yield of 72%.

Quelle