HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine → HCID 178518902, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine | HCID 9321 | — |
| Reactant | HCID 70157926 | HCID 70157926 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178518902 | HCID 178518902 | — |
Reaction Steps
A 3M-solution of hydrazine (60 mmol) in ethanol is added to a solution of crude 3,6-difluoro-2-(2-pyridylcarbonyl)benzoic acid hydrochloride (20 mmol), and the mixture is stirred at room temperature for 5 hours. Precipitation yields 5,8-difluoro-4-(2-pyridyl)-1-phthalazinol.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06486158B1 |
| Source dataset | uspto-grants-2002_11 |
| ORD ID | ord-e127a769aad74f78950a321914db80ec |
| Source note | uspto-grants-2002_11 |