Bifunctional chlorhexidine-based covalent organic polymers for CO2 capture and conversion without a co-catalyst

Ruiying Zhang; Yue Shen; Lin Liu; Zhengbo Han

doi:10.1039/D4CC05095A

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Bifunctional chlorhexidine-based covalent organic polymers for CO₂ capture and conversion without a co-catalyst†

Ruiying Zhang,^ab Yue Shen,^b Lin Liu

*^a and Zhengbo Han

*^a

Author affiliations

* Corresponding authors

^a College of Chemistry, Liaoning University, Shenyang 110036, P. R. China
E-mail: ceshzb@lnu.edu.cn, liulin@lnu.edu.cn

^b College of Science, Northeastern University, Shenyang 110819, Liaoning, P. R. China

Abstract

Two new cobalt/zinc-coordinated bifunctional covalent organic polymers (COP-Co and COP-Zn) based on chlorhexidine are prepared as heterogeneous catalysts for carbon dioxide (CO₂) conversion. Due to the Cl⁻ nucleophile and cobalt/zinc Lewis acid sites, COP-Co and COP-Zn can efficiently convert CO₂ and epoxides into cyclic carbonates under mild conditions without a co-catalyst.

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Article information

DOI: https://doi.org/10.1039/D4CC05095A
Article type: Communication
Submitted: 29 Sept. 2024
Accepted: 19 Nov. 2024
First published: 03 Dec. 2024

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Chem. Commun., 2025,61, 366-369

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Bifunctional chlorhexidine-based covalent organic polymers for CO₂ capture and conversion without a co-catalyst

R. Zhang, Y. Shen, L. Liu and Z. Han, Chem. Commun., 2025, 61, 366 DOI: 10.1039/D4CC05095A

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