利用SiO2表面硅羟基与有机硅烷作用制得氨基化SiO2,再与邻甲氧基苯甲醛反应,可得到键合在SiO2微粒表面的席夫碱配体,该配体与Li2PdCl4甲醇溶液反应得到SiO2负载的亚胺环钯催化剂.采用傅里叶变换红外光谱、X射线固体粉末衍射和X射线光电子能谱等手段对催化剂进行了表征,并用于催化碘代苯(PhI)与丙烯酰胺(AM)反应生成反式-肉桂酰胺的反应中,考察了溶剂、温度、原料比、缚酸剂及其用量、催化剂用量和反应时间对催化性能的影响,从而得到适宜的反应条件,并探讨了反应机理.
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