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Issue 9, 2009
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Supramolecular chiral dendritic monophosphites assembled by hydrogen bonding and their use in the Rh-catalyzed asymmetric hydrogenation

Yong Li,a  Yan-Mei He,a  Zhi-Wei Li,a  Feng Zhanga  and  Qing-Hua Fan*a 
Author affiliations

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: fanqh@iccas.ac.cn

Abstract

A new type of supramolecular chiral dendritic monophosphite ligands has been prepared via a hydrogen-bonding assembly. The Rh complexes of these supramolecular ligands have been successfully applied in the asymmetric hydrogenation of enamides and dehydroamino acid derivatives with good enantioselectivities, which are comparable to those obtained from the free monophosphite ligands. The supramolecular catalyst could be easily recycled viasolvent precipitation.

Graphical abstract: Supramolecular chiral dendritic monophosphites assembled by hydrogen bonding and their use in the Rh-catalyzed asymmetric hydrogenation

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Publication details

The article was received on 05 Jan 2009, accepted on 11 Feb 2009 and first published on 19 Mar 2009


Article type: Paper
DOI: 10.1039/B823047A
Citation: Org. Biomol. Chem., 2009,7, 1890-1895
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    Supramolecular chiral dendritic monophosphites assembled by hydrogen bonding and their use in the Rh-catalyzed asymmetric hydrogenation

    Y. Li, Y. He, Z. Li, F. Zhang and Q. Fan, Org. Biomol. Chem., 2009, 7, 1890
    DOI: 10.1039/B823047A

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