HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 178526520, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | (2E)-3-(dimethylamino)-1-(4-nitrophenyl)prop-2-en-1-one | HCID 1475992 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178526520 | HCID 178526520 | 78.9% |
Reaction Steps
A solution of 1-(4-nitrophenyl)-3-N,N-dimethylamino-2-propen-1-one (27.3 g) and 85% hydrazine hydrate (23.6 g) in ethanol was heated at 60° C. for one hour. The crystallized solid was filtered to give 18.5 g of 3-(4-nitrophenyl)-pyrazole; M.p. 196°-197° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04699915 |
| Source dataset | uspto-grants-1987_10 |
| ORD ID | ord-e9caf5c197834ce287ee5e62ac9971e3 |
| Source note | uspto-grants-1987_10 |