HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triisopropyl borate → 4-(Trifluoromethyl)phenylboronic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triisopropyl borate | HCID 21531 | — |
| Reactant | Benzene, 1-bromo-4-(trifluoromethyl)- | HCID 67872 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 4-(Trifluoromethyl)phenylboronic acid | HCID 2734389 | — |
Reaction Steps
A solution of p-trifluoromethylbromobenzene (814.8 g) and triisopropoxyborane (681.0 g) in tetrahydrofuran (6300 mL) is cooled to −78° and n-butyllithium (2.5 m in hexanes, 1448 mL) is added over 30 minutes at a temperature below −60° to yield p-trifluoromethylphenylboronic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06197798B1 |
| Source dataset | uspto-grants-2001_03 |
| ORD ID | ord-65e74543b062418f81715d64cbde9dd2 |
| Source note | uspto-grants-2001_03 |