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  • Title: An economical and environmentally friendly oxidative biaryl coupling promoted by activated MnO2.
    Author: Yang J, Sun S, Zeng Z, Zheng H, Li W, Lou H, Liu L.
    Journal: Org Biomol Chem; 2014 Oct 21; 12(39):7774-9. PubMed ID: 25144866.
    Abstract:
    An activated manganese dioxide (MnO2)-BF3·OEt2 oxidation system was developed to efficiently mediate the intramolecular as well as intermolecular biaryl coupling. The oxidative coupling proceeds smoothly at ambient temperature to deliver the corresponding five- to eight-membered tricyclic products in good to excellent yields. The employment of the combination of MnO2 and BF3·OEt2 is attractive on the basis of economical and environmental issues.
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