期刊
CATALYSTS
卷 9, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/catal9020195
关键词
manganese porphyrins; aerobic oxidation; enzyme-like catalysis; processive catalysis
资金
- European Research Council (ERC) [ENCOPOL-74092]
- Dutch National Science Organization NWO [024.001.035]
We report on the highly efficient epoxidation of low-molecular-weight and polymeric olefins catalyzed by a supramolecular manganese porphyrin complex using molecular oxygen as an oxidant and an aldehyde as a co-reductant. At ambient temperature and under optimized reaction conditions, the catalyst showed high activity and stereoselectivity. The efficiency of the supramolecular manganese porphyrin was higher than that of a reference porphyrin catalyst, possibly because it was more stable under the applied reaction conditions. Mechanistic studies suggest that a manganese oxo porphyrin complex may be an intermediate in the epoxidation reaction.
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