反应详情

4-Ethoxycinnamic acid (2) is hydrogenated at 40 p.s.i. with catalytic 5% palladium on carbon in tetrahydrofuran solvent to obtain 3-(4-ethoxyphenyl)propionic acid (3). A sample is recrystallized from ethyl acetate/hexane to obtain an analytically pure sample (m.p. 101-103° C.).