HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → 6-[2-(3-Chloro-4'-fluoro-3'-hydroxy-biphenyl-4-yl)-1-hydroxy-1-trifluoromethyl-propyl]-8-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 6-[2-(3-Chloro-4'-fluoro-3'-methoxy-biphenyl-4-yl)-1-hydroxy-1-trifluoromethyl-propyl]-8-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one | HCID 86645869 | — |
| Product | 6-[2-(3-Chloro-4'-fluoro-3'-hydroxy-biphenyl-4-yl)-1-hydroxy-1-trifluoromethyl-propyl]-8-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one | HCID 86645870 | — |
Reaction Steps
In analogy to Example 1, step 4, 6-[2-(3-chloro-4′-fluoro-3′-methoxy-biphenyl-4-yl)-1-hydroxy-1-trifluoromethyl-propyl]-8-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one was reacted with BBr3 to give the title compound as a light yellow oil. MS (m/e, ISP neg. ion)=526.2 [M−H+].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08450313B2 |
| Source dataset | uspto-grants-2013_05 |
| ORD ID | ord-a83414d978994edeb6a67b9809e2e52f |
| Source note | uspto-grants-2013_05 |