Phosphorus tribromide → HCID 58372748, compound

Participants

Reaction Steps

To a solution of [3-(2-hydroxymethyl-4-nitro-phenoxy)-4-methoxy-phenyl]-acetic acid ethyl ester (15.14 g, 41.9 mmol) in DME was added phosphorus tribromide (5.92 mL, 62.8 mmol), and the reaction was stirred at room temperature overnight. After cooling to 0° C., the mixture was quenched with saturated aqueous NaHCO3 and extracted with EtOAc. The combined organic layers were dried over MgSO4, filtered, and concentrated to give the title compound.

Provenance & Evidence