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,以甲苯和乙酸酐原,剂三氯铝存下合成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯铝的最佳摩尔比4: 1: 2,收率86.2%。