Sulfuric Acid → HCID 3682022, compound

Participants

Reaction Conditions

Reaction Steps

2-Hydroxyimino-N-(4-methoxy-2-nitro-phenyl)-acetamide (5 g, 22 mmol) was added portion wise to a hot solution of conc. H2SO4 (20 mL, 4 vol) at 60° C. After completion of the addition, temperature was raised to 80° C. and maintained the same for one hour. After completion of the reaction, the reaction mixture was poured on to the crushed ice and the resulting precipitate separated was filtered, washed with water (2-3 times) and dried under vacuum to obtain the title compound as brick red colored solid which was used directly for the next reaction.

Provenance & Evidence