In non-protonic solvent, with potassium hydroxide as condensation agent, N-alkylation has been carried out with bromo-n-butane and monoacetylaniline, and a photographic grade N-butyl-N-phenylacetamide has been synthesized. 在非质子溶剂中,以氢氧化钾为缩合剂,用溴代正了烷和苯乙酰胺进行N烃基化,合成了照相级N正丁基N苯乙酰胺。