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

本文报道合成抗溃疡胺的改进工艺。

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好氧生处理方法的试验。

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

本文以1基蒽醌和酐为原料，酸作溶剂，合成了1基蒽醌。

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，以甲苯和酸酐为原料，在催剂三氯铝存在下合成对甲基苯酮，并确定甲苯，酸酐和三氯铝的最佳摩尔比为4: 1: 2，收率为86.2%。