Aluminum trichloride (AlCl3) impregnated molybdenum oxide heterogeneous nano-catalyst was prepared by using simple impregnation method. The prepared heterogeneous catalyst was characterized by powder X-ray diffraction, FT-IR spectroscopy, solid-state NMR spectroscopy, SEM
imaging, and EDX mapping. The catalytic activity of this protocol was evaluated as heterogeneous catalyst for the Friedel-Crafts acylation reaction at room temperature. The impregnated MoO4(AlCl2)2 catalyst showed tremendous catalytic activity in Friedel-Crafts
acylation reaction under solvent-free and mild reaction condition. As a result, 84.0% yield of acyl product with 100% consumption of reactants in 18 h reaction time at room temperature was achieved. The effects of different solvents system with MoO4(AlCl2)2
catalyst in acylation reaction was also investigated. By using optimized reaction condition various acylated derivatives were prepared. In addition, the catalyst was separated by simple filtration process after the reaction and reused several times. Therefore, heterogeneous MoO4(AlCl2)2
catalyst was found environmentally benign catalyst, very convenient, high yielding, and clean method for the Friedel-Crafts acylation reaction under solvent-free and ambient reaction condition.
氯化铝(AlCl3)浸渍的钼氧化物非均相纳米催化剂是通过简单的浸渍方法制备的。所制备的非均相催化剂通过粉末X射线衍射、傅里叶变换红外光谱、固体核磁共振光谱、扫描电镜成像和能谱分析进行了表征。该方法的催化活性被评估为在室温下作为弗里德尔-克拉夫茨酰化反应的非均相催化剂。浸渍的MoO4(AlCl2)2催化剂在无溶剂和温和反应条件下表现出巨大的催化活性。结果表明,在室温下,18小时反应时间内,酰基产物的产率为84.0%,反应物的消耗率为100%。还研究了在酰化反应中使用MoO4(AlCl2)2催化剂的不同溶剂体系的影响。通过使用优化的反应条件,制备了各种酰化衍生物。此外,反应后通过简单的过滤过程分离催化剂,并多次重复使用。因此,非均相MoO4(AlCl2)2催化剂被发现是一种环境友好的催化剂,非常方便,产率高,是一种无溶剂和环境条件下进行弗里德尔-克拉夫茨酰化反应的清洁方法。