HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → 5-Bromo-2-hydrazinopyridine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 5-Bromo-2-fluoropyridine | HCID 2783168 | — |
| Solvent | Water | HCID 962 | — |
| Product | 5-Bromo-2-hydrazinopyridine | HCID 11535699 | 94.3% |
Reaction Steps
5-Bromo-2-fluoropyridine (25.12 g) and hydrazine monohydrate (100%) (91 g) were added to ethanol (75 ml), stirred under reflux for four hours, and then water was added thereto and the precipitated solid was washed with water to give 5-bromopyridin-2-ylhydrazine (25.3 g) as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09150555B2 |
| Source dataset | uspto-grants-2015_10 |
| ORD ID | ord-3ab339dec5244c6c9ae5762a6d7c6f93 |
| Source note | uspto-grants-2015_10 |