Journal
CATALYSIS COMMUNICATIONS
Volume 94, Issue -, Pages 13-17Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2017.01.028
Keywords
Cross-linked chitosan; Polyoxometalates; Heterogeneous catalyst; Oxidation of alcohols; Epoxidation of alkenes
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Funding
- SAFEA [B13025]
- Fundamental Research Funds for the Central Universities [JUSRP51623A]
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A series of polyoxometalates-based chitosan (CS) hybrids was prepared by the anion-exchange of a newly task specific designed cross-linked CS ionic polymer with a Keggin H3PW12O40. The obtained CS1.5-BPA-PW hybrid can be used as highly efficient solid catalyst for H2O2-based epoxidation of alkenes and oxidation of alcohols, affording high activity and steady catalytic cycles. The unique cross-linked catalyst framework and the appropriate intramolecular electron interaction between amino groups and heteropolyanions play an important role in achieving efficient catalytic performance. (C) 2017 Elsevier B.V. All rights reserved.
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