HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine, dihydrochloride → N,N'-bis-[3-(5-nitro-2-furyl)-1-phenyl-4-pyrazolylcarbonyl]hydrazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine, dihydrochloride | HCID 17548 | — |
| Reactant | 3-(5-Nitrofuran-2-yl)-1-phenyl-1H-pyrazole-4-carbonyl chloride | HCID 20325933 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | N,N'-bis-[3-(5-nitro-2-furyl)-1-phenyl-4-pyrazolylcarbonyl]hydrazine | HCID 20326204 | 72% |
Reaction Steps
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%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04093812 |
| Source dataset | uspto-grants-1978_06 |
| ORD ID | ord-6bd410685736495ebf5b079274a6830e |
| Source note | uspto-grants-1978_06 |