期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 26, 期 19, 页码 4333-4340出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201905249
关键词
aerobic oxidation; heterogeneous catalysis; metal-organic frameworks; metal-organic polyhedra; olefins; Suzuki-Miyaura coupling reaction
资金
- National Natural Science Foundation of China [51973171, 51773165] Funding Source: Medline
- Science Foundation for Distinguished Scholars of Dongguan University of Technology [196100041051] Funding Source: Medline
- Zhongshan Science and Technology Project [2017G1FC0007] Funding Source: Medline
- Young Talent Support Plan of Xi'an Jiaotong University Funding Source: Medline
- Program for Guangdong Introducing Innovative and Enterpreneurial Teams [2017ZT07C069] Funding Source: Medline
With the assistance of hydrogen bonds of the o-amino group, we have successfully tuned a coordination structure from a metal-organic polyhedron (MOP) to a two-dimensional (2D) metal-organic framework (MOF). The amino group forms hydrogen bonds with the two vicinal carboxylic groups, and induces the ligand to coordinate with copper ions to form the 2D structure. The obtained 2D Cu-based MOF (Cu-AIA) has been applied as an efficient heterogeneous catalyst in the aerobic epoxidation of olefins by using air as oxygen source. Without the aggregation problem of active sites in MOPs, Cu-AIA possesses much higher reactivity than MOP-1. Furthermore, the amino group of the framework has been used as a modifiable site through post-synthetic metalation (PSMet) to prepare a 2D MOF-supported Pd single-site heterogeneous catalyst, which shows excellent catalytic performance for the Suzuki reaction. It indicates that Cu-AIA can also work as a good 2D MOF carrier for the derivation of other heterogeneous catalysts.
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