Synthesis, characterizations and catalytic allylic oxidation of limonene to carvone of cobalt doped mesoporous silica templated by reed leaves
Synthesis, characterizations and catalytic allylic oxidation of limonene to carvone of cobalt doped mesoporous silica templated by reed leaves
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芦苇叶模板钴掺杂介孔二氧化硅的合成、表征及柠檬烯催化烯丙基氧化成香芹酮
DOI：
10.1016/j.catcom.2014.10.022
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发表时间：
2015-01
影响因子：
3.7
通讯作者：
Jiaqiang Wang
中科院分区：
文献类型：
--
作者：
Yanmei Wang;Dong Xue;Baoqi Wang;Jiaqiang Wang
以芦苇（Phragmites communis）叶片为模板合成了钴掺杂介孔氧化硅（Co/SiO2/PC）。该催化剂在不加任何引发剂的条件下，以空气为氧化剂，乙酸酐为溶剂，催化烯烯丙基氧化制香芹酮，具有很高的底物转化率（100%）和较好的产物（香芹酮）选择性（40.2%）。催化剂的快速热滤实验表明，该催化剂为非均相催化剂，可重复使用两次，且活性和选择性无明显损失。
Reeds (Phragmites communis) leaves were successfully used as template in synthesis of cobalt doped mesoporous silica (Co/SiO2/PC). The catalyst exhibited very high substrate conversion (100%) and relatively good product (carvone) selectivity (40.2%) for allylic oxidation of limonene to carvone using air as oxidant and acetic anhydride as solvent without adding any initiator. Fast hot catalyst filtration experiment proved that the catalyst acted as a heterogeneous one and it can be recycled easily and reused two times without significant loss of activity and selectivity.
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