Efficient and Selective Peracetic Acid Epoxidation Catalyzed by a Robust Manganese Catalyst
2008; American Chemical Society; Volume: 10; Issue: 11 Linguagem: Inglês
10.1021/ol800329m
ISSN1523-7060
AutoresIsaac Garcia‐Bosch, Anna Company, Xavier Fontrodona, Xavi Ribas, Miguel Costas,
Tópico(s)Mesoporous Materials and Catalysis
ResumoA manganese catalyst containing a tetradentate ligand derived from triazacyclononane exhibits high catalytic activity in epoxidation reactions using peracetic acid as oxidant. The system exhibits broad substrate scope and requires small (0.1-0.15 mol %) catalyst loading. The catalyst is remarkably selective toward aliphatic cis-olefins. Mechanistic studies point toward an electrophilic oxidant delivering the oxygen atom in a concerted step.
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