Abstract
A new poly(ethylene glycol)-supported multiple hydrogen bond catalyst has been prepared and its ability as a promoter in asymmetric transfer hydrogenation of β-acylamino nitroolefins has been studied. The PEG-supported multiple hydrogen bond catalyst exhibits high enantioselective manner (ee up to 95%) and it is easily removable by selective precipitation with diethyl ether and filtration from the reaction mixture, the polymer-bound catalyst has been recycled up to six times no loss of chemical and stereochemical efficiency.
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Acknowledgements
This study was supported by the Chna’s Hebei Province Science and Technology Support (No. 18271404D).
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Zhang, B., Shi, L. A Poly(ethylene glycol)-Supported Multiple Hydrogen Bond Catalyst for the Asymmetric Transfer Hydrogenation of β-Acylamino Nitroolefins. Catal Lett 149, 2836–2843 (2019). https://doi.org/10.1007/s10562-019-02755-1
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DOI: https://doi.org/10.1007/s10562-019-02755-1