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Issue 81, 2015
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Direct synthesis of β-ketophosphonates and vinyl phosphonates from alkenes or alkynes catalyzed by CuNPs/ZnO

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Abstract

Copper nanoparticles (CuNPs) supported on ZnO have been shown to effectively catalyze the direct synthesis of β-ketophosphonates from alkenes or alkynes, and that of vinyl phosphonates from alkynes and diethylphosphite, under air and in the absence of any additive or ligand. When using alkynes as starting materials, the selectivity proved to be dependent on the nature of the alkyne. Thus, alkynes conjugated with an aromatic ring or a carbon–carbon double bond gave β-ketophosphonates as the main reaction products, whereas aliphatic alkynes or alkynes conjugated with a carbonyl group led to the formation of the corresponding vinyl phosphonates.

Graphical abstract: Direct synthesis of β-ketophosphonates and vinyl phosphonates from alkenes or alkynes catalyzed by CuNPs/ZnO

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Publication details

The article was received on 29 May 2015, accepted on 28 Jul 2015 and first published on 28 Jul 2015


Article type: Paper
DOI: 10.1039/C5RA10223E
Citation: RSC Adv., 2015,5, 65739-65744
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    Direct synthesis of β-ketophosphonates and vinyl phosphonates from alkenes or alkynes catalyzed by CuNPs/ZnO

    V. Gutierrez, E. Mascaró, F. Alonso, Y. Moglie and G. Radivoy, RSC Adv., 2015, 5, 65739
    DOI: 10.1039/C5RA10223E

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