Biomimetic Oxidation of Benzofurans with Hydrogen Peroxide Catalyzed by Mn(III) Porphyrins

Author:

Rebelo Susana L. H.ORCID,Pires Sónia M. G.,Simões Mário M. Q.ORCID,de Castro Baltazar,Neves M. Graça P. M. S.ORCID,Medforth Craig J.ORCID

Abstract

The modelling of metabolic activation of the benzofuran nucleus is important to obtain eco-sustainable degradation methods and to understand the related mechanisms. The present work reports the catalytic oxidation of benzofuran, 2-methylbenzofuran, and 3-methylbenzofuran by hydrogen peroxide, at room temperature, in the presence of different Mn(III) porphyrins as models of cytochrome P450 enzymes. Conversions above 95% were attained for all the substrates. The key step is the formation of epoxides, which undergo different reaction pathways depending on factors, such as the position of the methyl group and the reaction and work-up conditions used.

Publisher

MDPI AG

Subject

Physical and Theoretical Chemistry,Catalysis

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