ethyl 6-(3-hydroxyphenyl)nicotinate 、
2-benzoyloxymethyl-5-bromomethylbenzyl benzoate 、
potassium carbonate 以The desired product is obtained in the form of white crystals (m.p.=118-120° C.; m=500 mg; Y=73%)的产率得到ethyl 6-{3-[3,4-bis(1-phenylmethanoyloxymethyl)-benzyloxy]phenyl}nicotinate