HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sulfuric Acid → HCID 14151511, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | 2-amino-4-oxo-4H-1-benzopyran-3-carbonitrile | HCID 12342057 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 14151511 | HCID 14151511 | — |
Reaction Steps
-- A mixture of 1.5 g of 2-amino-4-oxo-4H-1-benzopyran-3-carbonitrile and 7 ml of 80% sulfuric acid is heated for 1 hour on the steam bath. The mixture is cooled, poured into water, and the solid filtered and recrystallized from ethanol, mp 264°-6°C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03932466 |
| Source dataset | uspto-grants-1976_01 |
| ORD ID | ord-1b00eab4ea134e77bfb31034d824897a |
| Source note | uspto-grants-1976_01 |