HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl Acetoacetate → 5-Methyl-2-(pyridin-2-yl)-1,2-dihydro-3H-pyrazol-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl Acetoacetate | HCID 8868 | — |
| Reactant | 2-Hydrazinopyridine | HCID 78645 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | 5-Methyl-2-(pyridin-2-yl)-1,2-dihydro-3H-pyrazol-3-one | HCID 17609477 | — |
Reaction Steps
A solution of 2-hydrazinopyridine (1.35 g; 0.012 mol.) and ethyl acetoacetate (1.60 mL; 0.012 mol.) in glacial acetic acid (50.0 mL) was stirred and heated at 100° for 24 h.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06670387B1 |
| Source dataset | uspto-grants-2003_12 |
| ORD ID | ord-5aed494490dd47c0a549abf675590063 |
| Source note | uspto-grants-2003_12 |