Possible role of Lewis acid catalysis in the oxidation of alkenes and α,β-unsaturated ketones using bleomycin-zn(ii) and bleomycin-fe(iii)-iodosylbenzene in aqueous methanol |
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| Authors: | Robert M Moriarty Raju Penmasta Indra Prakash |
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| Institution: | Department of Chemistry University of Illinois at Chicago Box 4348, Chicago, Illinois 60680 U.S.A. |
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| Abstract: | C6H5IO in CH3OH-H20 is activated towards electrophilic attack upon various alkenes by Fe(ClO4).9H2O, FE(III) bleomycin and ZN(II) bleomycin. The results imply that direct transfer of oxygen from an Fe(V)=0 intermediate is not required in the mechanism of oxygenation by iron-containing species, and that much earlier work is questionable as models for biological oxygenation. |
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