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Palladium nanoclusters entrapped in polyurea: A recyclable and efficient catalyst for reduction of nitro-benzenes and hydrodechlorination of halogeno-benzenes |
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| Authors: | HongBing Ji QingPing Long YunBing He XingDong Yao |
| Institution: | 1. The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province; School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, 510275, China 2. College of Chemistry & Ecological Engineering, Guangxi University for Nationalities, Nanning, 530006, China |
| Abstract: | Polyurea-entrapped palladium nanoclusters have been prepared by interfacial polymerization in W/O emulsion and showed high thermal stability and chemical stability with the content of 0.12 mmol g?1 Pd. This catalyst exhibited dual catalytic activity for reduction of nitro compounds and hydrodehalogenation of aromatic chlorides in atmospheric hydrogen with 100% yield for reduction of nitro compounds and >99% yield for hydrodehalogenation of aromatic chlorides. This immobilizing method was particularly effective and eliminated the need of special chelating groups. |
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