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Published in: Journal of Materials Science 7/2021

20-11-2020 | Chemical routes to materials

Polyoxomolybdates as efficient catalysts for Knoevenagel condensation reaction of benzaldehyde and ethyl cyanoacetate under mild condition

Authors: Baijie Xu, Zhihao liu, Qiaofei Xu, Xiao Han, Xinyi Ma, Jiawei Wang, Thirumurthy Kannan, Pengtao Ma, Jingping Wang, Jingyang Niu

Published in: Journal of Materials Science | Issue 7/2021

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Abstract

The development of new heterogeneous catalysts for Knoevenagel condensation reaction is critical for practical applications. Herein, we prepared three organophosphonate-functionalized polyoxomolybdates, Cs2Na9H9[{Co(H2O)4}(TeMo6O21)2{Co(OOCCH2NCH2PO3)2}3]·41H2O (1), Cs2Na8[H6{Co(H2O)4}3(SeMo6O21)2{Co(OOCCH2NCH2PO3)2}3]·31H2O (2) and Cs2Na9H3[H6{Ni(H2O)4}(SeMo6O21)2{Ni(OOCCH2NCH2PO3)2}3]·28H2O (3), which exhibit high catalytic activity for gram-scale Knoevenagel condensation of benzaldehyde with ethyl cyanoacetate. Especially, under the optimal conditions, compound 1 can achieve a satisfactory yield (98%) and show high TON value (1960), which is superior to that of compounds 2 and 3. Notably, the TON value is much higher than that of previously reported catalysts. Such high catalytic performance could be attributed to the co-existence of Lewis acid and Lewis base sites in catalysts. In addition, based on substrates screening and recyclability tests, 1 has exhibited broad catalytic generality and good recyclability.

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Appendix
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Literature
47.
go back to reference Khoshnavazi R, Bahrami L, Havasi F (2016) Organic–inorganic hybrid polyoxometalate and its graphene oxide–Fe3O4 nanocomposite, synthesis, characterization and their applications as nanocatalysts for the Knoevenagel condensation and the synthesis of 2,3-dihydroquinazolin-4(1H)-ones. RSC Adv 6:100962–100975. https://doi.org/10.1039/C6RA15339ACrossRef Khoshnavazi R, Bahrami L, Havasi F (2016) Organic–inorganic hybrid polyoxometalate and its graphene oxide–Fe3O4 nanocomposite, synthesis, characterization and their applications as nanocatalysts for the Knoevenagel condensation and the synthesis of 2,3-dihydroquinazolin-4(1H)-ones. RSC Adv 6:100962–100975. https://​doi.​org/​10.​1039/​C6RA15339ACrossRef
61.
go back to reference Yue L-J, Liu Y-Y, Xu G-H, Ma J-F (2019) Calix[4]arene-based polyoxometalate organic–inorganic hybrid and coordination polymer as heterogeneous catalysts for azide–alkyne cycloaddition and Knoevenagel condensation reaction. New J Chem 43:15871–15878. https://doi.org/10.1039/C9NJ03930ACrossRef Yue L-J, Liu Y-Y, Xu G-H, Ma J-F (2019) Calix[4]arene-based polyoxometalate organic–inorganic hybrid and coordination polymer as heterogeneous catalysts for azide–alkyne cycloaddition and Knoevenagel condensation reaction. New J Chem 43:15871–15878. https://​doi.​org/​10.​1039/​C9NJ03930ACrossRef
Metadata
Title
Polyoxomolybdates as efficient catalysts for Knoevenagel condensation reaction of benzaldehyde and ethyl cyanoacetate under mild condition
Authors
Baijie Xu
Zhihao liu
Qiaofei Xu
Xiao Han
Xinyi Ma
Jiawei Wang
Thirumurthy Kannan
Pengtao Ma
Jingping Wang
Jingyang Niu
Publication date
20-11-2020
Publisher
Springer US
Published in
Journal of Materials Science / Issue 7/2021
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-020-05562-x

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