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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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Article information


Submitted
18 Sep 2019
Accepted
29 Oct 2019
First published
30 Oct 2019

Chem. Commun., 2019,55, 14143-14146
Article type
Communication

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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