Liquid Phase Oxidation of Cyclohexene Over Selenite Doped MCM-41

Liquid Phase Oxidation of Cyclohexene Over Selenite Doped MCM-41
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亚硒酸盐掺杂 MCM-41 上环己烯的液相氧化

DOI:
10.1007/s10562-008-9831-8
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发表时间:
2009-01
期刊:
Catal. Lett.
影响因子:
--
通讯作者:
王家强
王家强
中科院分区:
其他
文献类型:
--
作者:
王家强

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以过氧化氢水溶液为氧化剂,冰醋酸为溶剂,在亚硒酸盐掺杂的MCM-41催化剂上,在温和的反应条件下进行了环己烯的液相氧化。反应的主要产物为2-乙酰氧基环己醇和少量1,2-环己二醇。该催化剂具有很高的底物转化率(~100%)和良好的产物(2-乙酰氧基环己醇)选择性(81%),且可重复使用,活性几乎相同。采用氮气物理吸附、透射电子显微镜、X-射线衍射仪、傅立叶变换红外光谱等多种物理化学方法对催化剂进行了表征。
Liquid phase oxidation of cyclohexene was carried out under mild reaction conditions over selenite doped MCM-41 using aqueous hydrogen peroxide as oxidant and acetic acid as solvent. The major products of the reaction were 2-acetoxycyclohexanol and a small amount of 1,2-cyclohexanediol. The catalyst exhibited very high substrate conversion (~100%) and good product (2-acetoxycyclohexanol) selectivity (81%) and it can be reused with almost the same activity. The catalyst was characterized by a combination of various physicochemical techniques, such as N2physisorption, TEM, X-ray diffraction and FT-IR.
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