HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methylhydrazine → 1-Methyl-4-phenyl-1H-pyrazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methylhydrazine | HCID 6061 | — |
| Reactant | 2-Phenylpropanedial | HCID 3672296 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 1-Methyl-4-phenyl-1H-pyrazole | HCID 13692442 | 102.1% |
Reaction Steps
1 g of 2-phenylmalonaldehyde (6.75 mmol) were dissolved in 25 ml of ethanol. 0.36 ml of N-methyl-hydrazine (6.75 mmol) were added, the reaction mixture was stirred under reflux for 4 h, the solvent evaporated under reduced pressure to yield 1.09 g of the product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07759397B2 |
| Source dataset | uspto-grants-2010_07 |
| ORD ID | ord-74d6351c4d9241ad9d737c39912019f0 |
| Source note | uspto-grants-2010_07 |