A New Class of Ferrocene-Based 1,2-Bis(phosphanes) Possessing only Planar Chirality

Argouarch, Gilles;Samuel, Odile;Riant, Olivier;Daran, Jean-Claude;Kagan, Henri B.
(2000) European Journal of Organic Chemistry — p. 2893 (2000)

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  • Argouarch, Gilles
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  • Samuel, Odile
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  • Daran, Jean-Claude
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  • Kagan, Henri B.
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Abstract
Chiral 1,2-bis(phosphanes) 13, devoid of individual chiral centers, have been prepared in three steps from chiral sulfoxide 10. Their corresponding rhodium complexes were used as catalysts for asymmetric hydrogenation, giving high ee values (⩽ 95%) in the reduction of itaconic acid or its ester. A cationic rhodium complex involving coordination of two molecules of 13b and one molecule of oxygen has been isolated and its crystal structure established.
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Argouarch, G., Samuel, O., Riant, O., Daran, J.-C., & Kagan, H. B. (2000). A New Class of Ferrocene-Based 1,2-Bis(phosphanes) Possessing only Planar Chirality. European Journal of Organic Chemistry, 2893. https://doi.org/10.1002/1099-0690(200008)2000:16<2893::AID-EJOC2893>3.0.CO;2-D (Original work published 2000)