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Catalytic Hydroamination

The construction of C-N-bonds is of great interest for both academic and industrial research. There is still need for the development of new catalytic systems as most of the well-known catalysts display drawbacks like air and moisture sensitivity. We found that this reaction can be catalyzed for both double and triple bonds by a new zinc complex which is relatively insensitive and easily prepared. Polar functional groups like ethers, amides, thioethers, hydrazides and hydroxyamines are tolerated under the normal reaction conditions.
Presently we are investigating the synthesis of more active catalysts, with a view to explore their scope and limitations and finally their application to natural product synthesis.

M. Dochnahl, J.-W. Pissarek, S. Blechert, K. Loehnwitz, P. W. Roesky, A New Homogeneous Zinc Complex with Increased Reactivity for the Intramolecular Hydroamination of Alkenes, Chem. Commun. 2006, 3405-3407. [DOI]

N. Meyer, K. Loehnwitz, A. Zulys, P.W. Roesky, M. Dochnahl, S. Blechert, Aminotroponate Zinc Complexes as Catalysts for the Intramolecular Hydroamination of Alkenes and Alkynes, Organometallics 2006, 25, 3730 - 3734. [DOI]

A. Zulys, M. Dochnahl, D. Hollmann, K. Loehnwitz, J.-S. Herrmann, P. W. Roesky, S. Blechert, Intramolecular Hydroamination of Functionalized Alkenes and Alkynes with a Homogeous Zinc-Catalyst, Angew. Chem. Int. Ed. 2005, 44, 7794-7798. [DOI]

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