HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Hydrazinopyridine → 2,4-dihydro-2-(2-pyridyl)-5-propyl-3H-pyrazol-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Hydrazinopyridine | HCID 78645 | — |
| Reactant | 3-Oxooctanoate | HCID 17804644 | — |
| Product | 2,4-dihydro-2-(2-pyridyl)-5-propyl-3H-pyrazol-3-one | HCID 14050876 | — |
Reaction Steps
From the reaction of 2-pyridylhydrazine and ethylbutyrylacetate, 2,4-dihydro-2-(2-pyridyl)-5-propyl-3H-pyrazol-3-one is obtained. Subsequent reaction with 2-ethylaniline yields 4-(2-ethylanilinomethylene)-2,4-dihydro-2-(2-pyridyl)-5-propyl-3H-pyrazol-3-one, Mp 151° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06034099 |
| Source dataset | uspto-grants-2000_03 |
| ORD ID | ord-deac46cad38943a6ae5c1a8f1232daeb |
| Source note | uspto-grants-2000_03 |