HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → 7-Hydroxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl-ethanone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 1-(4-Isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-ethanone | HCID 22490847 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 7-Hydroxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl-ethanone | HCID 22490917 | — |
Reaction Steps
As described in General Procedure J, a solution of 1-(4-isopropyl-7-methoxy-2,2-dimethyl-2H-chromen-6-yl)-ethanone (Compound 54, 752 mg, 2.43 mmol) in dichloromethane was treated with boron tribromide (1M in dichloromethane, 3.64 mL, 3.64 mmol) to afford the title compound as a bright yellow oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06887896B1 |
| Source dataset | uspto-grants-2005_05 |
| ORD ID | ord-759cbb7e2426428e87d3bf30287a9b4e |
| Source note | uspto-grants-2005_05 |