Sulfuric Acid → HCID 21835790, compound

Participants

Reaction Conditions

Reaction Steps

10 g (43.6 mmol) of N-carboxymethylene-4-chloro-anthranilic acid are dissolved in 40 ml of benzyl alcohol, 444 mg (4.3 mmol) of H2SO4 are added and the mixture is stirred at 110° C. for 2 hours. It is cooled to room temperature and the product which has precipitated out is filtered off with suction, washed with benzyl alcohol and dried. 7.3 g (22.9 mmol; 53% of pale yellow crystalline N-carbobenzoxymethylene-4-chloro-anthranilic acid are obtained.

Provenance & Evidence