HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl benzoylacetate → 1-(3,4-Dimethylphenyl)-3-phenyl-3-pyrazolin-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl benzoylacetate | HCID 7170 | — |
| Reactant | Ethyl Acetoacetate | HCID 8868 | — |
| Reactant | 2-Hydrazinopyridine | HCID 78645 | — |
| Product | 1-(3,4-Dimethylphenyl)-3-phenyl-3-pyrazolin-5-one | HCID 18756421 | — |
Reaction Steps
Following the procedure of Example 22a), except substituting 3,4-dimethylphenylhydrazine for 2-hydrazinopyridine and ethyl benzoylacetate for ethyl acetoacetate, the title compound was prepared (16.0 g; 61%). MS(ES) m/z 265 [M+H].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06670387B1 |
| Source dataset | uspto-grants-2003_12 |
| ORD ID | ord-c6add524eb804ec6ae457e9ca7e12942 |
| Source note | uspto-grants-2003_12 |