That this is designed and directly adopts the intermediate act as the raw material to amino phenol, HAc as the acylization dose, the reaction obtains the paracetamol after the acyl. The main chemical reaction equation is as follows :
Notes: we must pay attention to p-aminophenol which is poisonous, it will lead our skin get eczema easily if we touch it. So during the process, we shoule get protective outfit and avoid touching straightly. The acylate solvent of ice-acetum has the cauterization and it can stimulate our breath organ. HAc’s steam also is poisonous and flammable. So we should notice to get it in the drafty place, avoid touching it and wash with water if we touch it carelessly.