Hydrochloric Acid → p-{[2-(2-Naphthyloxy)ethyl]amino}benzoic acid

Participants

Reaction Steps

A mixture of 3.0 g. of ethyl p-{[2-(2-naphthyloxy)ethyl]amino}benzoate, and 3.0 g. of potassium hydroxide in 200 ml. of ethanol-water (95:5) is refluxed for 3 hours. The mixture is diluted with 100 ml. of water and brought to pH 6.0 with concentrated hydrochloric acid. The mixture is filtered and the solid washed with 50 ml. of water and 20 ml. of cold ethanol-water (4:1) to give the product, m.p. 208°-211° C.

Provenance & Evidence