HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 1-Chloro-4-hydrazinophthalazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 1,4-Dichlorophthalazine | HCID 78490 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 1-Chloro-4-hydrazinophthalazine | HCID 2793752 | — |
Reaction Steps
10 g commercially available dichlorophthalazine are added portionwise at 90° C. to a solution of 50 ml ethanol and 20 ml hydrazine hydrate. After 10 min the reaction mixture is cooled to ambient temperature, the precipitate is filtered with suction and rinsed with ethanol to yield 8.4 g of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07671050B2 |
| Source dataset | uspto-grants-2010_03 |
| ORD ID | ord-0d3702d21f17440595cef4c4f46d64f2 |
| Source note | uspto-grants-2010_03 |