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Issue 16, 2018
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Direct synthesis of alkynylphosphonates from alkynes and phosphite esters catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5

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Abstract

The aerobic oxidative coupling of alkynes and phosphite esters can be catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5 (Cu/Cu2O@Nb2O5) to efficiently afford alkynylphosphonates. The catalyst can be reused by filtration and reduction. According to the results of control experiments and characterization data, the supporter Nb2O5 can reduce the electronic density of Cu and absorb the phosphite esters due to its strong Lewis acid sites, which may enhance the reaction efficiently.

Graphical abstract: Direct synthesis of alkynylphosphonates from alkynes and phosphite esters catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5

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Publication details

The article was received on 28 Jun 2018, accepted on 18 Jul 2018 and first published on 18 Jul 2018


Article type: Paper
DOI: 10.1039/C8NJ03206H
Citation: New J. Chem., 2018,42, 13957-13962
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    Direct synthesis of alkynylphosphonates from alkynes and phosphite esters catalyzed by Cu/Cu2O nanoparticles supported on Nb2O5

    T. Yuan, F. Chen and G. Lu, New J. Chem., 2018, 42, 13957
    DOI: 10.1039/C8NJ03206H

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