HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 3-Chloro-2-hydrazinylpyridine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 2,3-Dichloropyridine | HCID 16988 | — |
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Solvent | 1-Butanol | HCID 263 | — |
| Product | 3-Chloro-2-hydrazinylpyridine | HCID 556100 | 89.4% |
Reaction Steps
To 30 ml of an n-butanol solution containing 7.0 g of 2,3-dichloropyridine were added 7.1 g of hydrazine monohydrate and 6.54 g of anhydrous potassium carbonate, and the mixture was heated under reflux for 17.5 hours. After cooling, the precipitate was collected by filtration to yield 6.07 g of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06169086A |
| Source dataset | uspto-grants-2001_01 |
| ORD ID | ord-f6161f601e6e4caba4ff1c5f5d65e7a7 |
| Source note | uspto-grants-2001_01 |