Journal
RSC ADVANCES
Volume 4, Issue 98, Pages 55028-55035Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra06944g
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Funding
- National High Technology Research and the Development Program of China (863 Program) [2013AA031702]
- Beijing Natural Science Foundation [2144052]
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Hierarchical heterogeneous copper catalysts were prepared by immobilization of a homogeneous copper(II) complex on the surface of polystyrene/polyaniline (PS/PANI) microspheres with oriented PANI nanofibers. EDX element maps and XPS spectra indicated that Cu2+ ions strongly coordinated with PANI imine. PS/PANI@Cu(OSO2CF3)(2) exhibited excellent catalytic activity for selective aerobic oxidation of alcohols and highly efficient aerobic epoxidation of alkenes under mild conditions. The supported copper(II) catalyst maintained high levels of conversion and selectivity in these reactions after six cycles and showed good stability.
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