期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 29, 页码 9919-9922出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201601151
关键词
hetero-Diels-Alder reaction; heterogeneous catalysis; hypercrosslinked polymers; metalloporphyrin-based networks; polymers
资金
- National Natural Science Foundation of China [51473064, 61435005, 21274050]
- Frontiers of Science and Interdisciplinary Innovation Project of Jilin University [450060481015]
We describe a novel and intriguing strategy for the construction of efficient heterogeneous catalysts by hypercrosslinking catalyst molecules in a one-pot Friedel-Crafts alkylation reaction. The new hypercrosslinked polymers (HCPs) as porous solid catalysts exhibit the combined advantages of homogeneous and heterogeneous catalysis, owing to their high surface area, good stability, and tailoring of catalytic centers on the frameworks. Indeed, a new class of metalloporphyrin-based HCPs were successfully synthesized using modified iron(III) porphyrin complexes as building blocks, and the resulting networks were found to be excellent recyclable heterogeneous catalysts for the hetero-Diels-Alder reaction of unactivated aldehydes with 1,3-dienes. Moreover, this new strategy showed wide adaptability, and many kinds of homogeneous- like solid-based catalysts with high catalytic performance and excellent recyclability were also constructed.
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