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Issue 94, 2019
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Transfer-dehydrogenation of secondary alcohols catalyzed by manganese NNN-pincer complexes

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Abstract

Novel catalytic systems based on pentacarbonylmanganese bromide and stable NNN-pincer ligands are presented for the transfer-dehydrogenation of secondary alcohols to give the corresponding ketones in good to excellent isolated yields. Best results are obtained using di-picolylamine derivatives as ligands and acetone as an inexpensive hydrogen acceptor. Besides high activity for benzylic substrates, aliphatic alcohols, as well as steroid derivatives, are readily oxidized in the presence of the optimal phosphorus-free catalyst.

Graphical abstract: Transfer-dehydrogenation of secondary alcohols catalyzed by manganese NNN-pincer complexes

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Publication details

The article was received on 18 Sep 2019, accepted on 29 Oct 2019 and first published on 30 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC07337J
Chem. Commun., 2019,55, 14143-14146

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    Transfer-dehydrogenation of secondary alcohols catalyzed by manganese NNN-pincer complexes

    S. Budweg, K. Junge and M. Beller, Chem. Commun., 2019, 55, 14143
    DOI: 10.1039/C9CC07337J

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