Cesium carbonate → HCID 57494306, compound

Participants

Reaction Steps

N-(5-chloro-2-hydroxy-4-methoxyphenyl)acetamide (227 mg, 1.05 mmol) and caesium carbonate (376 mg, 1.25 mmol) in 1-methyl-2-pyrrolidinone (2 mL) was added (2S)-oxirane-2-ylmethyl 3-nitrobenzenesulfonate (301 mg, 1.16 mmol) dissolved 2-methyl-2-pyrrolidine (2 mL) drop wise. The resulting brown slurry was stirred over night, at room temperature. The mixture was partitioned between water and ethyl acetate. The organic phase was dried over magnesium sulphate, filtered and concentrated to yield crude 280 mg (98%) of the titled compound.

Provenance & Evidence