HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,6-Dibromopyridine → 2-Chloro-6-hydrazinopyridine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,6-Dibromopyridine | HCID 12274 | — |
| Reactant | Pentachloropyridine | HCID 16584 | — |
| Reactant | 2,6-Difluoropyridine | HCID 73934 | — |
| Reactant | 2-Chloro-6-(trifluoromethyl)pyridine | HCID 602334 | — |
| Reactant | 2-Fluoro-6-hydrazinylpyridine | HCID 1475332 | — |
| Reactant | 2,3,5,6-Tetrachloro-4-hydrazinylpyridine | HCID 12502192 | — |
| Reactant | 2-Hydrazinyl-6-(trifluoromethyl)pyridine | HCID 13339384 | — |
| Reactant | 2-Bromo-6-hydrazinopyridine | HCID 19392588 | — |
| Reactant | 3-Fluoro-5-(trifluoromethyl)pyridine | HCID 19937182 | — |
| Reactant | 3-Hydrazinyl-5-(trifluoromethyl)pyridine | HCID 21290355 | — |
| Product | 2-Chloro-6-hydrazinopyridine | HCID 320004 | — |
Reaction Steps
The following were prepared analogously and analyzed by nmr spectroscopy: 2-bromo-6-hydrazinopyridine, m.p. 112°-114° C. (from 2,6-dibromopyridine); 2-fluoro-6-hydrazinopyridine, m.p. 74°-76° C. (from 2,6-difluoropyridine); 2-hydrazino-6-(trifluoromethyl)pyridine, m.p. 62°-64° C. (from 2-chloro-6-(trifluoromethyl)pyridine; 3-hydrazino-5-(trifluoromethyl)pyridine, pale yellow solid (from 3-fluoro-5-(trifluoromethyl)pyridine); 4-hydrazino-2,3,5,6-tetrachloropyridine, m.p. 180°-181° C. (from pentachloropyridine).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04775762 |
| Source dataset | uspto-grants-1988_10 |
| ORD ID | ord-ec4c141d29554380a65f8fe83f303f12 |
| Source note | uspto-grants-1988_10 |