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Issue 5, 2012
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Dihydroxylation of olefins catalyzed by zeolite-confined osmium(0) nanoclusters: an efficient and reusable method for the preparation of 1,2-cis-diols

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Abstract

Addressed herein is a novel, eco-friendly, recoverable, reusable and bottleable catalytic system developed for the dihydroxylation of various olefins yielding 1,2-cis-diols. In our protocol, zeolite-confined osmium(0) nanoclusters (zeolite-Os0) are used as reusable catalyst and H2O2 served as a co-oxidant. Zeolite-Os0 are found to be highly efficient and selective catalysts for the dihydroxylation of a wide range olefins in an aqueous acetone mixture at room temperature. In all of the olefins surveyed, the catalytic dihydroxylation reaction proceeds smoothly and the corresponding 1,2-cis-diols are obtained in excellent chemical yield under the optimized conditions. The present heterogeneous catalyst system provides many advantages, such as being eco-friendly and industrially applicable over the traditional homogenous OsO4–NMO system for the dihydroxylation of olefins.

Graphical abstract: Dihydroxylation of olefins catalyzed by zeolite-confined osmium(0) nanoclusters: an efficient and reusable method for the preparation of 1,2-cis-diols

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Publication details

The article was received on 16 Dec 2011, accepted on 13 Mar 2012 and first published on 30 Mar 2012


Article type: Paper
DOI: 10.1039/C2GC16616J
Citation: Green Chem., 2012,14, 1488-1492
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    Dihydroxylation of olefins catalyzed by zeolite-confined osmium(0) nanoclusters: an efficient and reusable method for the preparation of 1,2-cis-diols

    Ö. Metin, N. A. Alp, S. Akbayrak, A. Biçer, M. S. Gültekin, S. Özkar and U. Bozkaya, Green Chem., 2012, 14, 1488
    DOI: 10.1039/C2GC16616J

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