Hydrochloric Acid → HCID 20493940, compound

Participants

Reaction Steps

To a solution of 52.5 g of p-aminobenzene sulphinic acid and 96 g of potassium carbonate in 850 ml of water first 1 l of acetone was added and then portionwise 157 g of compound P with stirring. Thereupon, the mixture was stirred for 1 h, poured into 2.5 l of water and acidified with 100 ml of concentrated hydrochloric acid. The precipitate formed was sucked off, washed with methanol and dried. Yield: 160 g.

Provenance & Evidence