Heterogeneous h-BN@Cyclodextrin@Pd(II) nanomaterial: Fabrication, characterization and application as a highly efficient and recyclable catalyst for C—C coupling reactions

Heterogeneous h-BN@Cyclodextrin@Pd(II) nanomaterial: Fabrication, characterization and application as a highly efficient and recyclable catalyst for C—C coupling reactions
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异质h-BN@环糊精@Pd(II)纳米材料:作为C−C偶联反应的高效且可回收催化剂的制备、表征和应用

DOI:
10.1007/s40242-017-6455-9
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发表时间:
2017-03
影响因子:
3.1
通讯作者:
Yong Wu
Yong Wu
中科院分区:
化学3区
文献类型:
--
作者:
Rui Sang;Xu Cheng;Weijian Li;Pengfei Luo;Yong Zhang;Ruifang Nie;Li Hai;Yong Wu

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使用 h-BN 负载的钯作为催化剂,成功开发了一种有效且无配体的 Suzuki 和 Heck 交叉偶联反应方法。这种绿色方法代表了一种经济有效且操作方便的合成联芳基化合物、茋和丙烯酸酯的方法。这些方案的主要优点是底物范围广、产率良好到优异、反应时间短、以水为溶剂、无配体、无毒且催化剂可回收。此外,h-BN@γ-CD@Pd(II)纳米材料已通过TG、SEM、IR、XRD、XPS和ICP-AES分析进行了充分表征。而且它可以很容易地回收并重复使用至少九次,而不会显着损失催化活性。最重要的是,这项工作证明了使用环糊精改性的 h-BN 作为亲水性多相催化剂的有效载体的可能性。
An efficient and ligand-free method for the Suzuki and Heck cross-coupling reactions has been successfully developed using h-BN-supported palladium as the catalyst. This green methodology represents a cost-effective and operationally convenient process for the synthesis of biaryls, stilbenes and acrylates. Wide scope of substrates, good to excellent yields, low reaction time, water as solvent, ligand-free, non-toxicity and recyclability of the catalyst are the main merits of these protocols. In addition, the h-BN@γ-CD@Pd(II) nanomaterial has been fully characterized by TG, SEM, IR, XRD, XPS and ICP-AES analysis. And it could be easily recovered and reused for at least nine times without any considerable loss of catalytic activity. Above all, this work demonstrates the possibility of using cyclodextrin-modified h-BN as an efficient support for the hydrophilic heterogeneous catalysts.
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