HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Diphenyl-1H-pyrazol-5-amine → HCID 136404515, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3-Diphenyl-1H-pyrazol-5-amine | HCID 199969 | — |
| Reactant | Methyl 2-((3-nitrophenyl)methylene)-3-oxobutanoate | HCID 1536427 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 136404515 | HCID 136404515 | — |
Reaction Steps
Methyl-2-(3-nitrobenzyliden)acetoacetate is added to 1,3-diphenyl-5-pyrazolamine (0.010 mol) in ethanol (16 ml) and refluxed for 90 minutes under nitrogen. After cooling to room temperature, the solvent is evaporated under reduced pressure, the residue is taken up in ethyl ether, discarding the insolubles, and then the solvent is evaporated. Upon crystallization from methanol, the product of the title is obtained. M.p. 186°-189° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04954508 |
| Source dataset | uspto-grants-1990_09 |
| ORD ID | ord-28dbfde3f5b2499c8e7b23266a256ad6 |
| Source note | uspto-grants-1990_09 |