Early in industrial production, sugar aldehyde was used as raw material. A mixture of sugar aldehyde and steam was introduced into a reactor filled with zinc chromium manganese metal oxide (or palladium) catalyst, and the carbonyl group was removed at 400-420 ℃ to form furan; Then, using skeleton ni

Salicylic acid is an organic compound with the chemical formula HOC6H4COOH. It is a colorless, bitter-tasting solid that is a precursor and metabolite of aspirin (acetylsalicylic acid). It is a plant hormone,[9] and has been listed as an experimental teratogen on the EPA Toxic Substances Control Ac