Hydroxyphenylacetic acid → HCID 8671781, compound

Participants

Reaction Steps

The potassium salt of 4-hydroxyphenylacetic acid (9.5 g, 0.1 mol) was taken up in a mixture of dimethylsulfoxide (80 mL) and hexamethylphosphoramide (5.37 g, 0.1 mol). 2-Chloroacetamide (13.5 g, 0.3 mol) was added and the reaction mixture was first stirred at room temperature for 24 hours, then heated for 1 hour. The reaction mixture was evaporated, then cooled. The product which separated was taken up in ethyl acetate (150 mL), stirred, filtered and evaporated. The oily residue was partitioned between ethyl acetate (100 mL) and water (100 mL). The organic layer was separated, dried over anhydrous MgSO4, filtered and evaporated to give the desired ester, carbamoylmethyl 4-hydroxyphenylacetate, melting at 85°-87° C., in 48.8% yield.

Provenance & Evidence