HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → 1-[2-(2-Hydroxy-phenyl)-2-oxo-ethyl]-3-methyl-7-(3-methyl-2-buten-1-yl)-8-chloro-xanthine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 1-[2-(2-Methoxy-phenyl)-2-oxo-ethyl]-3-methyl-7-(3-methyl-2-buten-1-yl)-8-chloro-xanthine | HCID 57514535 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 1-[2-(2-Hydroxy-phenyl)-2-oxo-ethyl]-3-methyl-7-(3-methyl-2-buten-1-yl)-8-chloro-xanthine | HCID 57514534 | — |
Reaction Steps
Prepared by treating 1-[2-(2-methoxy-phenyl)-2-oxo-ethyl]-3-methyl-7-(3-methyl-2-buten-1-yl)-8-chloro-xanthine with boron tribromide in methylene chloride. The desired product is contaminated with approx. 20% 1-[2-(2-hydroxy-phenyl)-2-oxo-ethyl]-3-methyl-7-(3-bromo-3-methyl-butyl)-8-chloro-xanthine.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09321791B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-f0d36b568ff74709b7e78d72e720a920 |
| Source note | uspto-grants-2016_04 |