HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphorus tribromide → 5-(Benzyloxy)-2-(bromomethyl)-1,3-dimethylbenzene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphorus tribromide | HCID 24614 | — |
| Reactant | (4-(Benzyloxy)-2,6-dimethylphenyl)methanol | HCID 67317571 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 5-(Benzyloxy)-2-(bromomethyl)-1,3-dimethylbenzene | HCID 11426700 | 247.5% |
Reaction Steps
Cool a solution of (4-Benzyloxy-2,6-dimethyl-phenyl)-methanol (5.70 g, 24 mmol) in THF (100 mL) to 0° C. Treat the solution with Phosphorous tribromide (0.9 mL, 9.4 mmol) and stir the reaction for 2 hr at 0° C. Quench the reaction with water and extract with Et2O. Wash the organic with brine, dry over MgSO4, and filter. Remove the solvent to afford 7.1 g (99%) of product. 1H NMR (d6-CDCl3) δ 7.31-7.43 (m, 5H), 6.65 (s, 2H), 5.01 (s, 2H), 4.56 (s, 2H), 2.38 (s, 6H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07981918B2 |
| Source dataset | uspto-grants-2011_07 |
| ORD ID | ord-65e8a7db406c4bd993831213a1943845 |
| Source note | uspto-grants-2011_07 |