HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → HCID 178517667, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 2-Chloro-7-methoxyfuro[2,3-c]pyridine | HCID 118022153 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 178517667 | HCID 178517667 | 48.4% |
Reaction Steps
A 0.25M solution of 2-chloro-7-methoxyfuro[2,3-c]pyridine (263 mg, 1.4 mmol) in DCM stirred at −0° C. under an atmosphere of nitrogen was treated with BBr3 (1 M in DCM, 4.3 mL, 4.3 mmol) dropwise over 5 min. The mixture was allowed to warm gradually to rt. After the mixture was allowed to stir overnight, it was poured into ice water and extracted with DCM (3×15 mL). The combined organic layers were washed with water and brine (10 mL), dried over Na2SO4, filtered and concentrated in vacuo. The resulting residue was purified by silica gel column chromatography using a gradient of EtOAc (15 to 75%) in hexanes to afford the title compound (115 mg, 47%) as light yellow solid. LCMS (M+H)+=170.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09034900B2 |
| Source dataset | uspto-grants-2015_05 |
| ORD ID | ord-05010bd4ceea4dd1b1b7e3fa5a5e9d9e |
| Source note | uspto-grants-2015_05 |