HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 2801521, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 20304508 | HCID 20304508 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 2801521 | HCID 2801521 | — |
Reaction Steps
The product of step (a) (1 g) in ethanol (50 ml) containing concentrated HCl (1 ml) was heated under reflux for 4 hours. Evaporation of the resulting solution to a volume of 20 mls caused the chromone ester, identical to that of Example 1(d) to crystallise.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04159273 |
| Source dataset | uspto-grants-1979_06 |
| ORD ID | ord-2df78cbb04944eb8a6c1518fbe830b12 |
| Source note | uspto-grants-1979_06 |