HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 54231997, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | dimethyl 4-(1H-1-pyrazolyl)phthalate | HCID 22744587 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 54231997 | HCID 54231997 | — |
Reaction Steps
22 ml hydrazine monohydrate was added to a mixture of 77 g dimethyl 4-(1H-1-pyrazolyl)phthalate and 500 ml ethanol, and heated under reflux for 6 hr. After cooling, the resulting precipitates were collected by filtration to give 36 g of 6-(1H-1-pyrazolyl)-1,4-phthalazine dione.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06498159B1 |
| Source dataset | uspto-grants-2002_12 |
| ORD ID | ord-b409c0372048470ca24ec2282059e000 |
| Source note | uspto-grants-2002_12 |