HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Hydrazinopyridine → 5-propyl-2-pyridin-4-yl-4H-pyrazol-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Hydrazinopyridine | HCID 416631 | — |
| Reactant | 3-Oxooctanoate | HCID 17804644 | — |
| Product | 5-propyl-2-pyridin-4-yl-4H-pyrazol-3-one | HCID 19351315 | — |
Reaction Steps
From the reaction of 4-pyridylhydrazine and ethylbutyrylacetate, 2,4-dihydro-5-propyl-2-(4-pyridyl)-3H-pyrazol-3-one is obtained. Subsequent reaction wvith 2-ethylaniline yields 4-(2-ethyianilinomethylene)-2,4-dihydro-5-propyl-2-(4-pyridyl)-3H-pyrazol-3-one, Mp 159.2° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06034099 |
| Source dataset | uspto-grants-2000_03 |
| ORD ID | ord-c26565b5381a4d4f9021aa855bc8261e |
| Source note | uspto-grants-2000_03 |