节点文献
八钼酸季铵盐催化H2O2氧化醇制备醛酮
Oxidation of alcohols to aldehydes or ketones with H2O2 over quaternary ammonium octamolybdate
【摘要】 制备了八钼酸季铵盐催化剂[n-C16H33(CH3)3N]4Mo8O26,考察了该催化剂在苯甲醇液相氧化制苯甲醛反应中的催化活性。在适宜的反应条件下[n(苯甲醇)∶n(H2O2)=1.0∶1.2,H2O2的质量分数为15%,催化剂[n-C16H33(CH3)3N]4Mo8O26用量为0.05g,100℃,1.0h],苯甲醛的收率可达79.6%。同时该催化剂对脂肪仲醇的氧化也表现出很好的催化活性,辛醇-2氧化为辛酮-2的收率为97.3%。
【Abstract】 A quaternary ammonium octamolybdate [n-C16H33(CH3)3N]4Mo8O26 catalyst was prepared.This catalyst has a good performance in the oxidation of benzyl alcohol to benzaldehyde.The yield 79.6% of benzaldehyde was obtained at suitable reaction conditions(n(benzyl) alcohol∶n(H2O2)=1∶1.2,15% H2O2,0.05 g of [n-C16H33(CH3)3N]4Mo8O26,100 °C,1.0 h).This catalyst also has good catalytic activity in the oxidation of aliphatic secondary alcohols;octan-2-ol can gave octan-2-one in the yield of 97.3%.
【关键词】 八钼酸季铵盐;
氧化;
醇;
过氧化氢;
【Key words】 quaternary ammonium octamolybdate; oxidation; alcohol; hydrogen peroxide;
【Key words】 quaternary ammonium octamolybdate; oxidation; alcohol; hydrogen peroxide;
【基金】 国家重点基础研究发展计划(973)项目(2009CB623505);国家自然科学基金资助项目(20643006)
- 【文献出处】 大连工业大学学报 ,Journal of Dalian Polytechnic University , 编辑部邮箱 ,2012年04期
- 【分类号】TQ215
- 【被引频次】5
- 【下载频次】246