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，以和乙酸料，在催剂三氯铝存在下合成对乙酮，并确定，乙酸和三氯铝的最佳摩尔比4: 1: 2，收率86.2%。