Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | HCID 18329461 | HCID 18329461 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 18329463 | HCID 18329463 | 97.5% |
Reaction Steps
A solution of 1M boron tribromide in dichloromethane (15 mL, 15 mmol) was added dropwise to a solution of 2-isopropyl-3-methoxybenzoic acid in dichloromethane. After stirring for 2 hours, the reaction mixture was cooled to 0° C., quenched with water, and the layers were separated. The aqueous layer was extracted with dichloromethane. The combined organic extracts were dried over anhydrous sodium sulfate and concentrated in vacuo. Purification of the residue by silica gel flash chromatography, eluting with dichloromethane/methanol and 1% acetic acid, gave 3-hydroxy-2-isopropylbenzoic acid as a white crystalline solid (1.32 g, 97.5%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06335459B1 |
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| Source dataset | uspto-grants-2002_01 |
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| ORD ID | ord-9cd83d8bc03c4059bce9f84d285a781e |
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| Source note | uspto-grants-2002_01 |
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