HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2235236Generated: October 30, 2026
Phosphorus tribromide → 2-Bromomethyl-1,3-dichloro-5-benzyloxy-benzene
https://huagongshe.com/reaction/2235236
Participants
| Role | Name | HCID | Charge |
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| Reactant | Phosphorus tribromide | HCID 24614 | — |
| Reactant | (4-Benzyloxy-2,6-dichloro-phenyl)methanol | HCID 66621751 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 2-Bromomethyl-1,3-dichloro-5-benzyloxy-benzene | HCID 59299428 | 89% |
Reaction Steps
Dissolve (4-benzyloxy-2,6-dichloro-phenyl)-methanol in 2.5 L THF and cool to 0° C. under N2. Add 94.45 g PBr3 dropwise and stir at 0° C. for 30 minutes. Pour the reaction mixture into sat'd. NaHCO3 and extract with EtOAc (2×). Dry over Na2SO4, filter and concentrate under vacuum to yield 269 g (89%) of the title compound as a white solid. MS (electrospray), 345.1, 347.1 (ES−).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07713979B2 |
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| Source dataset | uspto-grants-2010_05 |
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| ORD ID | ord-ec8433d0ea704be6afd9d70fa6573d8d |
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| Source note | uspto-grants-2010_05 |
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