Abstract

It was found that when N-acetoactyl-p- or -o-nitrobenzenesulfonamide in aqueous solution of sodium hydroxide, carbonate, or bicarbonate, magnesium, calcium, or barium hydroxide, ammonia, or sodium cyanide, is allowed to stand at a room temperature or heated at 80-90°, a conversion reaction unknown to date in literature occurs, with liberation of sulfurous acid. It was confirmed that p- or o-nitrophenylacetamide is obtained in 73-92% yield. This reaction did not occur with compounds with substituents other than the nitro radical.

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