HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl-
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Phloroglucinol | HCID 359 | — |
| Reactant | Ethyl benzoylacetate | HCID 7170 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- | HCID 5398649 | — |
Reaction Steps
A solution of phloroglucinol (2.00 g) and ethyl benzoylacetate (3.05 g) in ethanol (30 ml) was treated with dry HCl as described in example 1a. The product was recrystallized from ethanol-water (1:1). Yield 3.0 g (75%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06774103B1 |
| Source dataset | uspto-grants-2004_08 |
| ORD ID | ord-a0683a756be54efd8ecac75aa520c482 |
| Source note | uspto-grants-2004_08 |