Journal
GREEN CHEMISTRY
Volume 15, Issue 9, Pages 2485-2492Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3gc41055b
Keywords
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Funding
- Japan Science and Technology Agency (JST)
- Okayama Foundation for Science and Technology
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
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Metalloporphyrins were immobilized on biogenous iron oxide (BIO) produced by iron-oxidizing bacteria, Leptothrix ochracea. These organic-inorganic hybrid materials were used as immobilized catalysts for the synthesis of cyclic carbonates from epoxides and CO2 under solvent-free conditions. Zn-II porphyrin immobilized via four tetraalkylammonium bromide groups showed high catalytic activity and reusability at a catalyst loading of 0.1 mol%. The product was obtained in 99% yield after nine times reuse, and the substrate scope was broad.
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