HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Methyl-2-propenyl 5-bromo-3-(2-methyl-2-propenyl)-2-hydroxybenzoate → 5-Bromo-2,3-dihydro-2,2-dimethylbenzofuran-7-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Methyl-2-propenyl 5-bromo-3-(2-methyl-2-propenyl)-2-hydroxybenzoate | HCID 15728737 | — |
| Solvent | Formic Acid | HCID 284 | — |
| Product | 5-Bromo-2,3-dihydro-2,2-dimethylbenzofuran-7-carboxylic acid | HCID 14838401 | 20% |
Reaction Steps
The title intermediate was prepared in 20% yield from 2-methyl-2-propenyl 5-bromo-3-(2-methyl-2-propenyl)-2-hydroxybenzoate upon heating at reflux with 90% formic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04921982 |
| Source dataset | uspto-grants-1990_05 |
| ORD ID | ord-c0d4959345b344f198ffd78bb511529c |
| Source note | uspto-grants-1990_05 |