HuagongsheHuagongshe Chemistry Print Report · For research reference only
Carbon tetrabromide → HCID 136348023, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Carbon tetrabromide | HCID 11205 | — |
| Reactant | Triphenylphosphine | HCID 11776 | — |
| Reactant | HCID 136348020 | HCID 136348020 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 136348023 | HCID 136348023 | — |
Reaction Steps
To a solution of 2-[4-(3-hydroxy-propoxy)-3,5-dimethyl-phenyl]-5,7-dimethoxy-3H-quinazolin-4-one (1.39 g, 3.62 mmol) in DMF (15 mL) were added PPh3 (1.04 g, 3.98 mmol) and CBr4 (1.32 g, 3.98 mmol). The reaction mixture was stirred at room temperature for 16 hours. Then, solvent was removed under reduced pressure. The residue was triturated with ether and ethyl acetate. The solids were dried and purified by the Simpliflash system, using 2% methanol in CH2Cl2, to give 2-[4-(3-bromo-propoxy)-3,5-dimethyl-phenyl]-5,7-dimethoxy-3H-quinazolin-4-one as a white solid. Yield: 940 mg (58%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09238640B2 |
| Source dataset | uspto-grants-2016_01 |
| ORD ID | ord-b3f4e98748a94b388af95c9039067c9c |
| Source note | uspto-grants-2016_01 |