Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先，以和乙酸酐原料，在催化剂氯化铝存在下合成对乙酮，并确定，乙酸酐和氯化铝的最佳摩尔比4: 1: 2，收86.2%。

In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.

文以1氨蒽醌和乙酐原料，乙酸作溶剂，合成了1乙酰氨蒽醌。

The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.

介绍对醋酸、醋酐生产中的有机废水采用厌氧好氧生化处理方法的试验。

By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.

文报道合成抗溃疡药丙谷胺的改进工艺。