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醇类氧化反应中杂多酸盐催化剂的光谱研究
Authors
奚祖威
张生军
+3 more
徐杰
赵公大
高爽
Publication date
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Abstract
一种可回收循环使用的磷钨杂多酸盐(n-C16H33N(CH3)3)3PW4O16)应用于醇类的无溶剂催化氧化反应.通过IR和^31P NMR光谱对醇氧化反应前后以及反应过程中催化剂的结构变化进行表征分析,得出此催化剂为多种磷钨杂多酸盐的混合物,反应中活性中间体为含活性氧物种,多次反应-分离循环后催化剂活性会逐渐降低,催化剂的结构逐渐变为稳定的keggin结构
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Last time updated on 07/01/2020