反应详情

The 2[4-(2-aminoethyl)-phenyl]-butyric acid hydrochloride used as starting material is prepared in the following manner: 2-phenylburyric acid is reacted with paraformaldehyde/hydrochloric acid to give 2-(4-chloromethylphenyl)-butyric acid (b.p. 173°-176° C./0.1 mm Hg). By the reaction thereof with potassium cyanide, there is obtained 2-(4-cyanomethylphenyl)-butyric acid (oil) which, after catalytic hydrogenation, gives 2-[4-(2-aminoethyl)-phenyl]-butyric acid hydrochloride; m.p. 128°-130° C.

1. customis prepared in the following manner