Recyclable Heterogeneous Chitosan Supported Copper Catalyst for Silyl Conjugate Addition to α,β-Unsaturated Acceptors in Water

Zhu, Lei; Li, Bojie; Wang, Shan; Wang, Wei; Wang, Liansheng; Ding, Liang; Qin, Caiqin

doi:10.3390/polym10040385

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Recyclable Heterogeneous Chitosan Supported Copper Catalyst for Silyl Conjugate Addition to α,β-Unsaturated Acceptors in Water

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School of Chemistry and Materials Science, Hubei Engineering University, Hubei Collaborative Innovation Center of Conversion and Utilization for Biomass Resources, Xiaogan 432000, China

Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China

Authors to whom correspondence should be addressed.

Polymers 2018, 10(4), 385; https://doi.org/10.3390/polym10040385

Received: 7 February 2018 / Revised: 21 March 2018 / Accepted: 26 March 2018 / Published: 1 April 2018

(This article belongs to the Special Issue Advances in Chitin/Chitosan Characterization and Applications)

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Abstract

The first example of an environmentally-benign chitosan supported copper catalyzed conjugate silylation of α,β-unsaturated acceptors was accomplished in water under mild conditions. This protocol provides an efficient pathway to achieve an important class of β-silyl carbonyl compounds and the desired products were obtained in good to excellent yields. Gram-scale synthesis and easy transformation of obtained β-silyl products were also been demonstrated. Remarkably, this chitosan supported copper catalyst can be easily recycled and reused six times without any significant decrease of catalytic activity. The advantages of this newly developed method include operational simplicity, good functional group tolerance, scale-up ability, ready availability, and easy recyclability of catalyst. View Full-Text

Keywords: chitosan supported copper; heterogeneous catalyst; organosilicon compound; easily recyclable

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhu, L.; Li, B.; Wang, S.; Wang, W.; Wang, L.; Ding, L.; Qin, C. Recyclable Heterogeneous Chitosan Supported Copper Catalyst for Silyl Conjugate Addition to α,β-Unsaturated Acceptors in Water. Polymers 2018, 10, 385. https://doi.org/10.3390/polym10040385

AMA Style

Zhu L, Li B, Wang S, Wang W, Wang L, Ding L, Qin C. Recyclable Heterogeneous Chitosan Supported Copper Catalyst for Silyl Conjugate Addition to α,β-Unsaturated Acceptors in Water. Polymers. 2018; 10(4):385. https://doi.org/10.3390/polym10040385

Chicago/Turabian Style

Zhu, Lei, Bojie Li, Shan Wang, Wei Wang, Liansheng Wang, Liang Ding, and Caiqin Qin. 2018. "Recyclable Heterogeneous Chitosan Supported Copper Catalyst for Silyl Conjugate Addition to α,β-Unsaturated Acceptors in Water" Polymers 10, no. 4: 385. https://doi.org/10.3390/polym10040385

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