六钨酸四丁基铵盐和异丙醇体系的催化氧化反应的ESR研究Ⅱ. |
ESR STUDY ON THE CATALYTIC OXIDATION IN SYSTEM OF TETRABUTYLAMMONIUM HEXATUNGSTATE AND ISOPROPYL ALCOHOL Ⅱ. |
|
摘要: 近年来,关于同多酸、杂多酸及其盐类的光催化研究报道较多[1,2],而用电解方法研究它们的催化反应则很少见报道[3]。本文采用恒电位电解条件,将六钨酸四丁基铵中的钨(Ⅵ)还原成钨(Ⅴ),再考察其催化异丙醇的氧化反应。结果表明,[W6O19]2-非但具有光化学活性,也具有电化学活性[4]。我们用电子自旋共振和自旋捕捉相结合的方法,检测到反应过程中产生的自由基中间体。用计算机模拟方 |
关键词: 六钨酸四丁基铵盐 电解反应 ESR |
基金项目: |
Abstract: Under electrolysis condition, the active radical media generated in system of tetrabutylammonium hexatungstate and isbpropyl alcohol were detected in situ, using spin-trapping with ESR technique. The chemical structure of some radicals was comfirmcd through computer simulation. The mechanism of the reaction was also discussed. |
Keywords: tetrabutylammonium hexatungstate electrolysis ESR |
投稿时间:1990-07-31 |
摘要点击次数: 1579 |
全文下载次数: 1797 |
杨辰,严小敏,郭时清.六钨酸四丁基铵盐和异丙醇体系的催化氧化反应的ESR研究Ⅱ.[J].无机化学学报,1992,8(4):441-443. |
查看全文 查看/发表评论 下载PDF阅读器 |
Support information: |
|
|
|