This invention relates to a process for producing N-acyl- hydroxy aromatic amines, such as N-acetyl-para-aminophenol (APAP), and N-alcyl-acyloxy aromatic amines, such as 4-acetoxyacetanilide (AAA), from hydroxy aromatic ketones, such as 4-hydroxyacetophenone. Perferably the hydroxy aromatic ketones are produced from an aromatic ester, such as phenyl acetate, or from a phenolic compound, such as phenol, and an acylating agent, such as acetic acid.
本发明涉及一种由羟基
芳香酮(如
4-羟基
苯乙酮)生产 N-酰基羟基芳香胺(如 N-乙酰基
对氨基苯酚(APAP))和 N-酰基乙酰氧基芳香胺(如 4-乙酰氧基
乙酰苯胺(AAA))的工艺。羟基
芳香酮最好由芳香酯(如
醋酸苯酯)或
酚类化合物(如
苯酚)和酰化剂(如
醋酸)制得。