采用表面活性剂自组装、有机金属硅烷与苯基硅烷共聚法制备了有机金属Au(Ⅰ)嵌于介孔材料孔壁的非均相催化剂Au(Ⅰ)-PPh2-PMO(Ph).结果表明,Au(Ⅰ)-PPh2-PMO(Ph)催化剂的活性位分散均匀,孔道不易堵塞,对反应物的扩散与传质影响较小,其催化活性不仅明显高于后嫁接法制得的Au(Ⅰ)-PPh2-PMO(Ph)-G和均相Au(PPh3)Cl催化剂,且可以重复使用,显示出较好的应用前景.
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