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Planar-Chiral P and N-bridged Diferrocenes

1
Institute of Computational Biological Chemistry, University of Vienna, Währinger Straße 17, 1090 Vienna, Austria
2
Institute of Organic Chemistry, University of Vienna, Währinger Straße 38, 1090 Vienna, Austria
3
Institute of Chemical Catalysis, University of Vienna, Währinger Straße 38, 1090 Vienna, Austria
*
Author to whom correspondence should be addressed.
Molbank 2020, 2020(2), M1130; https://doi.org/10.3390/M1130
Received: 1 April 2020 / Revised: 25 April 2020 / Accepted: 29 April 2020 / Published: 4 May 2020
(This article belongs to the Section Organic Synthesis)
We describe the synthesis of planar-chiral diferrocene compounds 4, 7 and 12, intended as key precursors for a new family of asymmetric catalyst ligands with less complex structures than their popular equivalents. In contrast to conventional 1,2-disubstituted ferrocenes containing center-chiral and planar-chiral elements, these compounds are purely planar-chiral due to the absence of α-substiuted ethyl groups. The title compounds 4, 7 and 12 were obtained from known precursors in 87%, 59% and 60% yields, respectively. View Full-Text
Keywords: ferrocene; transition metal ligand; planar chirality; diferrocene ferrocene; transition metal ligand; planar chirality; diferrocene
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MDPI and ACS Style

Honegger, P.; Scheibelberger, L.; Widhalm, M. Planar-Chiral P and N-bridged Diferrocenes. Molbank 2020, 2020, M1130.

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