浓硫酸催化氧化2-甲基萘合成2-甲萘醌  

Synthesis of 2-Menaphone by Catalytic Oxidation of 2-Methylnaphth-alene withConcentrated Sulfuric Acid

作　　者：田苗[1] 柴宗曦 杨晓燕[3] 于娇娇[1] 索隆宁 田红[1] TIAN Miao;CHAI Zongxi;YANG Xiaoyan;YU Jiaojiao;SUO Longning;TIAN Hong(Lanzhou Petrochemical Polytechnic,Lanzhou 730060,China;Lanzhou Jiaotong University National University Science and Technology Park,Lanzhou 730070,China;Lanzhou Institute of Chemical Physics,Lanzhou 730030,China)

机构地区：[1]兰州石化职业技术学院,甘肃兰州730060 [2]兰州交通大学国家大学科技园,甘肃兰州730070 [3]中国科学院兰州化学物理研究所,甘肃兰州730030

出　　处：《化工技术与开发》2020年第4期16-18,共3页Technology & Development of Chemical Industry

基　　金：甘肃省省级大学生创新创业训练计划项目(201710838)。

摘　　要：以2-甲萘为原料,冰醋酸为溶剂,H2O2为氧化剂,在浓硫酸的催化下合成2-甲萘醌。所得结果经核磁分析,确定为2-甲萘醌,以标准品为对照,用HPLC检测纯度。实验确定的优化条件为:当2-甲基萘与乙酸的物质的量比为1∶11.5、H2O2与乙酸的物质的量比为1∶1.4、浓硫酸的物质的量为0.045时,75℃下反应5h,2-甲基萘的转化率为81.1%,2-甲萘醌的收率最高可达到55.9%。In this paper,2-methylnaphthalene was used as raw material,glacial acetic acid as solvent and H2O2 as oxidant to synthesize 2-methylnaphthalene quinone under the catalysis of concentrated sulfuric acid.The measured results were determined as 2-methylnaphthalene quinone by nuclear magnetic analysis,and the purity was tested by HPLC with standard reference.Through the experiment,the optimized experimental conditions were obtained as followed:when the amount of 2-methylnaphthalene and acetic acid was 1:11.5,the ratio of H2O2 to acetic acid was 1:1.4,and the amount of concentrated sulfuric acid was 0.045,the conversion rate of 2-methylnaphthalene was 81.1%and the yield of 2-methylnaphthalene quinone reached 55.9%at 75℃for 5h.

关 键 词：2-甲基萘的氧化 2-甲萘醌 浓硫酸 

分 类 号：O625.462[理学—有机化学]