Nitric Acid → 2(3H)-Benzoxazolone, 6-nitro-

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Reaction Steps

A solution of 3H-Benzooxazol-2-one (10.0 g) in concentrated HNO3 (100 ml) was stirred at 40° C. A precipitate formed and the reaction temperature rose. It was cooled below 50 ° C. in an ice bath. The mixture was diluted with ice water, and the precipitate was isolated by filtration. The product was washed with water to give a white solid. (8.4 g). M.P. 239-241.

Provenance & Evidence