Hydrochloric Acid → (5-(4-Cyanobenzylidene)-2,4-dioxoimidazolidin-3-yl)-acetic acid

Participants

Reaction Steps

0.4 g (1.1 mmol) of benzyl (5-(4-cyanobenzylidene)-2,4-dioxoimidazolidin-3-yl)-acetate are heated under reflux with 5 ml of 6N HCl and 5 ml of acetic acid for 30 minutes, the mixture is filtered hot and the filtrate is cooled. The product which has precipitated is filtered off with suction, washed with water and dried.

Provenance & Evidence