期刊
MATERIALS RESEARCH BULLETIN
卷 45, 期 11, 页码 1648-1653出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2010.07.006
关键词
Composites; Organic compounds; Chemical synthesis; Catalytic properties
资金
- National Natural Science Foundation of China [20673039]
- Science & Technology Commission of Shanghai Municipality [09JC1404800]
- Ministry of Science & Technology of China
- Fundamental Research Funds for the Central Universities
The Pd-porphyrin functionalized ionic liquid could be covalently anchored in the channels of mesoporous SBA-15 through ion-pair electrostatic interaction between imidazolium-cationic and Pd-porphyrin-anionic moieties. Such modified SBA-15 materials were prepared successfully via a post-synthesis (surface sol-gel polymerization) or a one-pot sol-gel procedure, which were characterized by powder X-ray diffraction, UV-visible spectroscopy, Fourier transform infrared spectroscopy, N-2 sorption, elemental analysis, and transmission electron microscopy. The modified SBA-15 materials are efficient and recyclable catalysts for cross-coupling of aryl iodides or activated aryl bromides with ethyl acrylate without activity loss and Pd leaching even after 9 runs. (C) 2010 Elsevier Ltd. All rights reserved.
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