Potassium Carbonate → 4-{4-[4-(4-Fluorobenzamido)piperidinomethyl]phenylmethoxyl}-2-isopropylidenecoumaran-3-one

Participants

Reaction Conditions

Reaction Steps

A mixture of 570 mg 4-(4-chloromethyl-phenylmethoxy)-2-isopropylidenecoumaran-3-one (preparation 2), 240 mg potassium carbonate, 400 mg 4-(4-fluorobenzamido)piperidine and 15 ml dimethylformamide is warmed to 60° C. for 3 hours, then evaporated, mixed with water and extracted with ethyl acetate. After evaporation of the extract, the residue (0.6 g) is purified by silica gel chromatography (eluent ethyl acetate) to give 180 mg (19%) of the desired compound, m.p. 205-208° C.

Provenance & Evidence