HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 3-Amino-4-hydroxyindazole hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Diethyl Ether | HCID 3283 | — |
| Reactant | 3-Amino-1H-indazol-4-ol | HCID 135583106 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 3-Amino-4-hydroxyindazole hydrochloride | HCID 135583107 | — |
Reaction Steps
In 50 ml of absolute ethyl alcohol was dissolved 3.5 g of the 3-amino-4-hydroxyindazole, and into the solution was introduced dried hydrogen chloride gas under cooling with ice. Then to the solution was added anhydrous diethyl ether to separate crystals. The crystals were obtained by filtration and dried to give 3-amino-4-hydroxyindazole hydrochloride having the following analytical value.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04533731 |
| Source dataset | uspto-grants-1985_08 |
| ORD ID | ord-1f03179532414ed1a16c0408e59153cf |
| Source note | uspto-grants-1985_08 |