HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → 6-[2-(2-Chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-7-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 6-[2-(2-Chloro-4-methoxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-7-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one | HCID 66697372 | — |
| Product | 6-[2-(2-Chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-7-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one | HCID 66697400 | — |
Reaction Steps
In analogy to Example 1, step 4, 6-[2-(2-chloro-4-methoxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-7-fluoro-4-methyl-4H-benzo[1,4]oxazin-3-one was reacted with BBr3 to give the title compound as a colorless foam. MS (m/e, ISP neg. ion)=432.1 [M−H+].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08450313B2 |
| Source dataset | uspto-grants-2013_05 |
| ORD ID | ord-ea9a02b40fbc4dc2aec035f657bba3df |
| Source note | uspto-grants-2013_05 |