HuagongsheHuagongshe Chemistry Print Report · For research reference only
Thionyl Chloride → HCID 12800625, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Thionyl Chloride | HCID 24386 | — |
| Reactant | 6,7-Bis(ethoxycarbonyloxy)chromone-3-carboxylic acid | HCID 12800624 | — |
| Solvent | Benzene | HCID 241 | — |
| Product | HCID 12800625 | HCID 12800625 | — |
Reaction Steps
The compound (3) (1.1 g) was dissolved in 20 ml of benzene, and 2 ml of thionyl chloride was added dropwise at room temperature with stirring. Then, the mixture was refluxed with stirring. The reaction mixture was concentrated, and n-hexane was added to the concentrate to crystallize it. The resulting crystals wer collected by filtration, washed with n-hexane and dried to afford 980 mg of the desired product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04331606 |
| Source dataset | uspto-grants-1982_05 |
| ORD ID | ord-915e242ef3d2415bba279baa8c393d03 |
| Source note | uspto-grants-1982_05 |