HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sulfuric Acid → 2-Amino-4-chloropyridin-3-ol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | 4-Chloro-3-nitropyridin-2-amine | HCID 4071694 | — |
| Reactant | HCID 13040387 | HCID 13040387 | — |
| Product | 2-Amino-4-chloropyridin-3-ol | HCID 21436697 | — |
Reaction Steps
The reaction of 4-chloro-2-nitraminopyridine with concentrated sulfuric acid at 40° gives, according to Example I-2, 2-amino-4-chloro-3-nitropyridine. The procedure of Example I-2 is then followed with this intermediate to give 2-amino-4-chloro- 3-pyridinol.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04022897 |
| Source dataset | uspto-grants-1977_05 |
| ORD ID | ord-3dee309a5df641588e23c73906863629 |
| Source note | uspto-grants-1977_05 |