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
酸酐为原料，在催化剂三氯化铝存在下合成对甲基苯
，
确定甲苯，酸酐三氯化铝的最佳
为4: 1: 2，收率为86.2%。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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
乙酸酐
原料，在催化剂三氯化铝存在下合成对
乙酮，并确定，乙酸酐三氯化铝的最佳摩尔比4: 1: 2，
86.2%。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲苯乙酸酐为原料，
催化剂三氯化
下合成对甲基苯乙酮，并确定甲苯，乙酸酐三氯化的最佳摩尔比为4: 1: 2，收率为86.2%。
声明：以
、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲苯乙酸酐为原料，在催化剂三氯化铝存在下合成对甲基苯乙，
定甲苯，乙酸酐三氯化铝的最
比为4: 1: 2，收率为86.2%。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲苯乙酸酐为原料，催化剂三氯化下合成对甲基苯乙酮，并确定甲苯，乙酸酐三氯化的最佳摩尔比为4: 1: 2，收率为86.2%。
声明：以、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲酸酐原料，在催化剂三氯化铝存在下合成对甲基，并确定甲，酸酐三氯化铝的最佳摩4: 1: 2，收率86.2%。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲苯乙酸酐为原料，在催化剂三氯化铝存在下合成对甲基苯乙酮，并确定甲苯，乙酸酐三氯化铝的最佳摩尔比为4: 1: 2，收率为86.2%。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表
亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，
甲苯乙酸酐为原料，在催化剂三氯化铝存在
对甲基苯乙酮，并确定甲苯，乙酸酐三氯化铝的最佳摩尔比为4: 1: 2，收率为86.2%。
：
上例句、词性分类均由互联网资源自动生
，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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，以甲苯乙酸酐原料，在催化剂三氯化铝存在下
甲基苯乙酮，并确定甲苯，乙酸酐三氯化铝的最佳摩尔比4: 1: 2，收率86.2%。
：以上例句、词性分类均由互联网资源自动生，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。